Zone Forecast Product for Extreme Southwestern California. "Rowe, P.: "The Day it Snowed on San Diego" San Diego Union-Tribune, December 13, 2007. 7 10 Major Roads San Diego City Limits Aqueducts . Rainfall is highly variable from year to year and from month to month, and San Diego is subject to both droughts and floods. Annual Weather Averages Near San Diego. [10], Average annual temperature of sea is 65 °F (18 °C), from 59 °F (15 °C) in January to 72 °F (22 °C) in August. The basic climate features hot, sunny, and dry summers, and cooler, wetter winters. On average, there are 266 sunny days per year in San Diego. The record low temperature was 25 °F (−4 °C) on January 7, 1913. San Diego's wet winter season is influenced by the El Niño Southern Oscillation. 058 FPUS56 KSGX 021029. 210 AM PST Wed Nov 25 2020 National Weather Service San Diego CA. [4], The record high temperature at the National Weather Service office in San Diego of 111 °F (44 °C) was on September 26, 1963. Precipitation is rain, snow, sleet, or … Climate in the San Diego area often varies dramatically over short geographical distances, due to the city's topography (the Bay, and the numerous hills, mountains, and canyons), thus exhibiting microclimate: frequently, particularly during the "May gray / June gloom" period, a thick "marine layer" cloud cover will keep the air cool and damp within a few miles of the coast, but will yield to bright cloudless sunshine between about 5 and 15 miles (8 and 24 km) inland—the cities of El Cajon and Santee for example, rarely experience the cloud cover. [4] Temperatures occasionally reach 90 °F (32 °C) or higher. 338 0 obj <>/Filter/FlateDecode/ID[]/Index[316 36]/Info 315 0 R/Length 103/Prev 951592/Root 317 0 R/Size 352/Type/XRef/W[1 3 1]>>stream Home » Climate Zones A plant's performance is governed by the total climate: length of growing season, timing and amount of rainfall, winter lows, summer highs, wind, and humidity. ZFPSGX. Zone 11a 40°F to 45°F Based on the 1990 USDA Hardiness Zone Map, this interactive … The only tropical cyclone known to impact San Diego as a hurricane in around 200 years of record-keeping was the 1858 San Diego Hurricane. CITY. San Diego Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual; Avg. %PDF-1.6 %���� In winter, light snow is common in mountainous regions of east and north San Diego County (including Ramona and Julian) above 3,000–4,000 feet (910–1,220 m).[12]. However, San Diego is much more arid than typical Mediterranean climates, and winters are still dry compared with most other zones with this type of climate. 204 AM PST Tue Dec 1 2020 San Diego averages 0 inches of snow per year. 2. May 2020. Under the California Irrigation Management Information System (CIMIS), San Diego County is divided into six climate zones: Coastal, Coastal Inland, Upland Central, Transition, Mountain and Desert. 712 FPUS56 KSGX 261036. During the La Niña phase, San Diego becomes drier with cooler and less humid conditions. 351 0 obj <>stream Hurricanes are very rare, although San Diego receives more tropical storms and remnants of tropical storms than anywhere else in California. The most rainfall in 24 hours was 3.23 inches (8.2 cm) on April 5, 1926. In these transitional areas, climate boundaries often move 20 miles in 24 hours with the movements of these air masses. 229 AM PST Wed Dec 2 2020 Averages are for San Diego - North Island, which is 3 miles from San Diego. Most northwestward moving tropical cyclones dissipate over Baja California and fail to bring any precipitation to San Diego. The climate of San Diego, California is classified as a Mediterranean climate (Köppen climate classification Csa). The even-numbered zone is the climate made up of cold-air basins and hilltops, and the odd-numbered one comprises thermal belts. Includes many beach cities such as Venice, coastal Santa Monica, Newport Beach, and coastal areas of San Diego County. [2], Average monthly temperatures range from 57.3 °F (14.1 °C) in January to 72 °F (22 °C) in August. endstream endobj 317 0 obj <>/Metadata 25 0 R/Names 339 0 R/Outlines 34 0 R/PageLabels 311 0 R/Pages 313 0 R/StructTreeRoot 69 0 R/Type/Catalog/ViewerPreferences 340 0 R>> endobj 318 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/StructParents 14/Tabs/S/TrimBox[0 0 612 792]/Type/Page>> endobj 319 0 obj <>stream The US average is 28 inches of snow per year. 8 T N ATIO L VV S. CLIMATE_ID . ", http://people.atmos.ucla.edu/fovell/ASother/mm5/SantaAna/santa_ana_faq.html, USTravelWeather.com: San Diego Weather and Climate, https://en.wikipedia.org/w/index.php?title=Climate_of_San_Diego&oldid=989198514, Geography of San Diego County, California, Articles needing additional references from November 2009, All articles needing additional references, Articles with unsourced statements from July 2018, Creative Commons Attribution-ShareAlike License, Source: NOAA (sun, relative humidity, and dew point 1961–1990), This page was last edited on 17 November 2020, at 16:39. LARGE CITIES WITH THE BEST CLIMATE Los Angeles, CA vs San Diego, CA San Jose, CA vs Phoenix, AZ Houston, TX vs San Antonio, TX The Bronx, NY vs Dallas, TX Manhattan, NY vs New York, NY Queens, NY vs Brooklyn, NY Philadelphia, PA vs Chicago, IL The Arbor Day Foundation has also issued a Hardiness Zone Map . National Weather Service San Diego CA. National Weather Service San Diego CA. Based on weather reports collected during 1985–2015. The temperature of the ocean water affects the air temperature over it, and this in turn moderates temperatures over the coastal strip. However, it is not uncommon during a Santa Ana condition for the coast to be even hotter than the desert regions. The local sayings "May gray" and "June gloom" refer to the way in which San Diego has the most trouble shaking off the early morning fog during those months, and cool, cloudy conditions often last into the afternoon or even all day. The average low temperature in January for the country is 26.5 °F (−3.1 °C), and for San Diego it is 50 °F (10 °C). San Diego has on average 146 sunny days and 117 partly cloudy days a year. h�b```e``�����h�� ̀ �@1V �� ����"C�4 ��y���%ٗY�;����������`��� рP |6�%��1�3������[`��s��f�u�v(�0mX��}u���]�\tN;���q�_�g �t�[�Y|��>Cȁ|��43��&��|�EU�� �/� Inland areas like El Cajon can receive over 20 inches (51 cm) per year on average; further inland at higher elevations in the Cleveland National Forest receive more yet, and some areas like Palomar Mountain average more than 40 inches (100 cm) of rainfall per year. The average high temperature in July for San Diego is 76 °F (24 °C). CA San Diego CA Zone Forecast for Saturday, November 21, 2020 _____ 245 FPUS56 KSGX 221026 ZFPSGX Zone Forecast Product for Extreme Southwestern California National Weather Service San Diego CA 226 AM PST Sun Nov 22 2020 CAZ552-222200- Orange County Coastal Areas- Including the cities of Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, and San … ZFPSGX. Although confusing to tourists, newcomers, and out-of-the-region newscasters, this makes October the fire season for San Diego and the rest of Southern California due to low precipitation and sporadic heat waves that the average monthly temperatures do not immediately show. [8] The record high temperature was tied only once and happened on September 27, 2010, 47 years and two days after the set record. Hot summer days are followed by mild nights; near-freezing winter nights are followed by daytime temperatures near 60°F (16°C). San Diego County CLIMATE ZONES. 316 0 obj <> endobj The Santa Ana winds are actually warm due to barometric pressure increases: As the air is pulled down to sea level from the higher altitudes of the Great Basin and Rocky Mountains to the east, it is compressed and its temperature rises. [10], Snow has been recorded falling on lowland San Diego communities only five times in over 125 years of record-keeping. At the National Weather Service office, there are an average of 41 days with measurable precipitation. They can spread and worsen wildfires. The average annual precipitation is less than 12 inches (30 cm), resulting in a borderline arid climate. �2�f�\ 058 FPUS56 KSGX 021029. SAN DIEGO 722900 32.72N 117.17W 9 101.22 -8.00 NAP 7201 Annual Heating and Humidification Design Conditions 99.6% 99% DP HR MCDB DP HR MCDB WS MCDB WS MCDB MCWS PCWD 2 3a3b4a4b 4c 4d4e 4f 5a5b 5c 5d6a6b 12 7.1 8.3 -7.8 1.9 14.1 -4.9 2.5 15.1 9.4 14.7 8.2 15.4 1.4 340 Annual Cooling, Dehumidification, and Enthalpy Design Conditions [5] Snow and ice are rare in the wintertime, typically occurring only inland from the coast when present. 0 Gardening Zone Map. Mean monthly maxima and minima (i.e. San Diego Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual; Avg. 91901: Alpine: 10 92065: Ramona: 10: 91902: Bonita: 7 92067: … ZFPSGX. Several cities near San Diego, including Los Angeles, broke their all-time records that day.[9]. During the months of May and June, a common natural occurrence brings a thin layer of clouds that covers coastal and inland communities. Famous examples include the 1858 San Diego Hurricane and the 1939 California tropical storm, as well as the remnants of Hurricane Kathleen in 1976, all of which brought several inches of rain and high winds to San Diego. The most rainfall in one month was 9.09 inches (23.1 cm) in January 1993. Zone 1 is the coldest; zone 11 is the warmest. Some call it "May Gray", or "June Gloom". [11] Snow flurries were last seen in San Diego on February 14, 2008 around 1,700 to 1,800 feet (520 to 550 m), and the last measurable snowfall to hit various neighborhoods and suburbs around the city fell on December 13, 1967. This climate system provides you factors to help you understand which plants will thrive in your landscaping under its native conditions. National Weather Service San Diego CA. Rainfall is strongly concentrated in the cooler half of the year, particularly the months December through March, although precipitation is lower than any other part of the U.S. west coast. [citation needed] On average, 344 days a year are hotter than 60 °F (16 °C), but only 25 days are hotter than 80 °F (27 °C).[3]. When you order plants from catalogs or read general garden books, you need to know your USDA zone in order to be able to interpret references correctly. The national average for mostly sunny days is 213 while San Diego's is 267. Zone Forecast Product for Extreme Southwestern California. 229 AM PST Wed Dec 2 2020 CZ ZIP. Southern coastal areas generally within about 1 to 1.5 miles of the ocean, with moderate-to-cool year-round temperatures, mild winters, and cool-to-warm summers. San Diego's annual snowfall is 0 inches per year while the nation usually sees an average of 24.2 inches (610 mm) per year. Development Services Department. ZFPSGX. Occurring about 10 days out of the year, these winds bring sometimes hot, but always dry conditions. hޤ�mO�0����o�oyq$T)i)C��hًP?xŔh!�3���ٮ�&-Y׻�w����y��A4EQ�bH0P�(X�!��JD:F�'�h��҄��Q��c|6��J!N��߇�a�, Inland, and in mountain passes and canyons, they can burst out in gusts of 100 miles per hour (160 km/h) and can lower relative humidity to single digits, although by the coast they rarely see gusts of over 40 miles per hour (64 km/h). h�bbd```b``��A$�&��5��"u��g`v'�m&9�*!�^`2,� "��3X�D���$� �&��f�����x�F����� ��L Zone Forecast Product for Extreme Southwestern California. Energy use depends partly on climate conditions which differ throughout the state. Marine layer conditions linger until the heat of the sun becomes strong enough to evaporate the clouds. CA San Diego CA Zone Forecast for Sunday, November 29, 2020 _____ 852 FPUS56 KSGX 292131 ZFPSGX Zone Forecast Product for Extreme Southwestern California National Weather Service San Diego CA 130 PM PST Sun Nov 29 2020 CAZ552-301100- Orange County Coastal Areas- Including the cities of Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, and San Clemente 130 PM … 236 AM PST Thu Nov 26 2020 the highest and lowest temperature readings during an entire month or year) calculated based on data at said location from 1981 to 2010. Climate Climate Zone 7 is the southernmost coastal region of California. However, San Diego is much more arid than typical Mediterranean climates, and winters are still dry compared with most other zones with this type of climate. On average, San Diego sees 21 days with some precipitation while the rest of the country sees about 110. The US average is 205 sunny days. Late summer and early autumn are typically the hottest times of the year with and average high of 78 °F (26 °C) in August and 77 °F (25 °C) in September. Because these winds blow from east to west, common perception is that they are pulling hot air from the desert. Average surface temperature of the water at Scripps Pier in the California Current has increased by almost 3 degrees since 1950, according to scientists at Scripps Institution of Oceanography.[18]. CA San Diego CA Zone Forecast for Tuesday, December 1, 2020 _____ 058 FPUS56 KSGX 021029 ZFPSGX Zone Forecast Product for Extreme Southwestern California National Weather Service San Diego CA 229 AM PST Wed Dec 2 2020 CAZ552-030130- Orange County Coastal Areas- Including the cities of Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, and San Clemente 229 AM … San Diego experiences marine layer clouds, most often between May and August, which cause cool temperatures, cloudy weather and fog in the morning. P. AALM (SB) AVV O. R NADOC (SB) AV . San Diego gets some kind of precipitation, on average, 38 days per year. 9. The last of the four zones, the desert zone, is further inland, well past the city of San Diego. The warm ocean water and latitude make this climate very mild. !����4�o��c��Q!� ���RgY�|ۋ��8#N��hjWGy��H81eۙo�Q��Qzuy�)�sY�3-�|��s8��Z=~GB��M�ٻ�����eIa@l��l�qi'Y��ש���ʥe��~kS����3�n���U2�N�2a�;��ܲX �B$Vsέ۬���a�&�YC,sG@���1+��R��y^E@���̜�"m���.��#cU!�jV��kV�evڬ۽�]�1��o�9�~>&. Like Zones 1 to 3, Zone 11 has cold winters, and like Zone 13, it has hot summers. For example, the months with the highest record high temperatures are September at 111 °F (44 °C) and October at 107 °F (42 °C). Official precipitation records for San Diego were kept at the Weather Bureau Office in downtown from October 1850 to December 1859 at the, Fovell, Robert, Professor of Atmospheric and Oceanic Sciences, UCLA, "The Santa Ana Winds FAQ, Learn how and when to remove this template message, "National Oceanic and Atmospheric Agency: San Diego climate by month", "World Map of the Köppen-Geiger climate classification updated", "San Diego CA Average Temperatures by Month - Current Results", "Intellicast - San Diego Historic Weather Averages in California (92147)", http://www.vroomvroomvroom.com/maximum-temperatures-in-usa/, "Less May gray and June gloom, but more rain? [18], The months of September through February bring warm winds from the desert called "Santa Anas". 721 FPUS56 KSGX 251010. 790 FPUS56 KSGX 011004. National Weather Service San Diego CA. ", http://www.wrcc.dri.edu/cgi-bin/cliMAIN.pl?ca7740, http://www.city-data.com/forum/weather/155963-your-record-high-record-low-10.html, "CA All-Time Highest Max Temperature Records set on September 27, 2010". [6][7], Temperatures soar to very high readings only on rare occasions, chiefly when easterly winds (known as the "Santa Ana winds") bring hot, dry air from the inland deserts. California Climate Zones T . San Diego County, California is in USDA Hardiness Zones 8a, 8b, 9a, 9b, 10a and 10b. %%EOF To standardize Title 24 calculations and to provide a basis for presenting the criteria, the California Energy Commission has established 16 climate zones which are used with both the low-rise residential and the non-residential Title 24 energy standards. Two more cyclones managed to bring tropical storm-force winds to Southern California: the 1939 California tropical storm and the Hurricane Kathleen (1976). Zone Forecast Product for Extreme Southwestern California. ZIP. endstream endobj startxref The wettest year was 1941 with 24.93 inches (63.3 cm) and the driest year was 1953 with 3.23 inches (8.2 cm). To help people better understand where the climate zones are for purposes of home buying, we created a micro-climate zone map that shows the zone lines identified by the scientists. Gardening Zone Map Planting Zones Map Plant Zones Gardening Tips When To Plant Sunflowers What To Plant When San Diego Mission Beach Hardy Perennials. The United States average for days above 90 °F (32 °C) is 37.9 days while San Diego's is only 2.5 days, and there are, on average 0 days below 32 °F (0 °C) in San Diego, while the national average is 88 days. People also love these ideas History of weather observations San Diego, California 1849–1948, National Oceanic and Atmospheric Administration, "Station Name: CA San Diego Lindbergh FLD", "San Diego/Lindbergh Field CA Climate Normals 1961–1990", "Pacific Ocean Temperatures on California Coast", "Is global warming changing California Current? CITY. The national average is 86.8 °F (30.4 °C). The basic climate features hot, sunny, and dry summers, and cooler, wetter winters. CZ. The summer months are virtually rainless, although subtropical moisture from the North American Monsoon usually results in increased humidity and thunderstorms for at least a few days each summer. During the El Niño phase, San Diego receives more winter storms with warmer and more humid conditions. [19], Since the track of most hurricanes is well to the south of San Diego, and the cold California Current (normally sea temperatures are only in the upper 60's F off the CA coast) keeps ocean water significantly colder than in the Gulf of Mexico and western Atlantic (often sea temperatures over 82 F), tropical cyclones rarely impact San Diego. Zone Forecast Product for Extreme Southwestern California. ��I���x���:�J�r���|������O!��x�.���'/�O���XK����z[-���)mf��(! CA San Diego CA Zone Forecast for Saturday, November 21, 2020 _____ 348 FPUS56 KSGX 212118 ZFPSGX Zone Forecast Product for Extreme Southwestern California National Weather Service San Diego … [17] Water temperatures have risen since 1950 as measured at Scripps Pier. The difference is that Zones 20 and 21 get weather influenced by both maritime air and interior air. Saved by Joseph-Ramiro Macias-Perez. ZFPSGX. The climate of San Diego, California is classified as a Mediterranean climate (Köppen climate classification Csa). 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