The even-numbered zone is the climate made up of cold-air basins and hilltops, and the odd-numbered one comprises thermal belts. ZFPSGX. The national average for mostly sunny days is 213 while San Diego's is 267. The climate of San Diego, California is classified as a Mediterranean climate (Köppen climate classification Csa). 316 0 obj <> endobj San Diego's wet winter season is influenced by the El Niño Southern Oscillation. The average annual precipitation is less than 12 inches (30 cm), resulting in a borderline arid climate. 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. 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 only tropical cyclone known to impact San Diego as a hurricane in around 200 years of record-keeping was the 1858 San Diego Hurricane. Energy use depends partly on climate conditions which differ throughout the state. 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. The most rainfall in one month was 9.09 inches (23.1 cm) in January 1993. the highest and lowest temperature readings during an entire month or year) calculated based on data at said location from 1981 to 2010. 229 AM PST Wed Dec 2 2020 On average, San Diego sees 21 days with some precipitation while the rest of the country sees about 110. Zone 1 is the coldest; zone 11 is the warmest. 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. [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]. The Arbor Day Foundation has also issued a Hardiness Zone Map . National Weather Service San Diego CA. CITY. [2], Average monthly temperatures range from 57.3 °F (14.1 °C) in January to 72 °F (22 °C) in August. 790 FPUS56 KSGX 011004. [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 national average is 86.8 °F (30.4 °C). National Weather Service San Diego CA. The warm ocean water and latitude make this climate very mild. 210 AM PST Wed Nov 25 2020 National Weather Service San Diego CA. San Diego has on average 146 sunny days and 117 partly cloudy days a year. Rainfall is highly variable from year to year and from month to month, and San Diego is subject to both droughts and floods. 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 … 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 Mean monthly maxima and minima (i.e. CZ ZIP. 058 FPUS56 KSGX 021029. San Diego gets some kind of precipitation, on average, 38 days per year. Zone Forecast Product for Extreme Southwestern California. May 2020. During the months of May and June, a common natural occurrence brings a thin layer of clouds that covers coastal and inland communities. Because these winds blow from east to west, common perception is that they are pulling hot air from the desert. The last of the four zones, the desert zone, is further inland, well past the city of San Diego. 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 Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual; Avg. 721 FPUS56 KSGX 251010. 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]. %PDF-1.6 %���� Development Services Department. 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]. Based on weather reports collected during 1985–2015. [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. [10], Snow has been recorded falling on lowland San Diego communities only five times in over 125 years of record-keeping. 2. 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. The climate of San Diego, California is classified as a Mediterranean climate (Köppen climate classification Csa). San Diego County, California is in USDA Hardiness Zones 8a, 8b, 9a, 9b, 10a and 10b. The US average is 28 inches of snow per year. Zone Forecast Product for Extreme Southwestern California. "Rowe, P.: "The Day it Snowed on San Diego" San Diego Union-Tribune, December 13, 2007. %%EOF 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). National Weather Service San Diego CA. [5] Snow and ice are rare in the wintertime, typically occurring only inland from the coast when present. During the El Niño phase, San Diego receives more winter storms with warmer and more humid conditions. 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? On average, San Diego County, California is in USDA Hardiness Zones,! Is 86.8 °F ( 24 °C ) on April 5, 1926 R... Dry summers, and dry summers, and this in turn moderates temperatures over the strip. In the wintertime, typically occurring only inland from the desert regions several cities near San Diego communities only times. 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