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San Diego, California Climate & Temperature

  • San Diego, California, Usa is at 32°44'N, 117°10'W, 9 m (30 ft). See map.
  • San Diego, California has a mid-latitude steppe/ semi-arid cool climate (Köppen-Geiger classification: BSk).
  • According to the Holdridge life zones system of bioclimatic classification San Diego, California is situated in or near the warm temperate thorn steppe biome.
  • The annual mean temperature is 17.9 degrees Celsius (64.2 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 8.5 °C (15.3°F). This indicates that the continentality type is hyperoceanic, subtype barely hyperoceanic. San Diego, California Climate Graph
  • Total annual Precipitation averages 251.5 mm (9.9 inches) which is equivalent to 251.5 Litres/m² (6.17 Gallons/ft²).
  • On average there are 2978 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.
  • Were you to burrow down through the centre of the Earth from San Diego, California you would pop up nearest to the climate station at Amsterdam Island, French Southern Lands where you would find a Marine west coast climate.

San Diego, California Climate Table

  Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
 
Average Max Temperature °C ( °F) 19 (66) 19 (67) 19 (66) 20 (68) 21 (69) 22 (72) 25 (76) 25 (78) 25 (77) 24 (75) 21 (70) 19 (66) 22 (71)
 
Average Temperature °C ( °F) 14 (57) 15 (59) 15 (60) 17 (62) 18 (64) 19 (67) 22 (71) 23 (73) 22 (71) 20 (68) 17 (62) 14 (57) 18 (64)
 
Average Min Temperature °C ( °F) 9 (49) 10 (51) 12 (53) 13 (56) 15 (59) 17 (62) 19 (66) 20 (67) 19 (66) 16 (61) 12 (54) 9 (49) 14 (58)
 
Average Precipitation mm (in) 46 (2) 39 (2) 45 (2) 20 (1) 5 (0) 2 (0) 1 (0) 3 (0) 6 (0) 9 (0) 37 (1) 40 (2) 252 (10)
Number of Wet Days (probability of rain on a day %) 7 (23) 7 (25) 7 (23) 5 (17) 2 (6) 1 (3) 0.5 (2) 1 (3) 1 (3) 3 (10) 4 (13) 6 (19) 44.5 (12)
Average Sunlight Hours/ Day 6h 50' 7h 45' 8h 17' 7h 58' 8h 00' 8h 26' 9h 32' 8h 58' 9h 00' 7h 42' 7h 42' 7h 36' 8h 09'
Average Daylight Hours/ Day 10h 14' 10h 57' 11h 55' 12h 57' 13h 49' 14h 15' 14h 03' 13h 19' 12h 19' 11h 17' 10h 26' 10h 01' 12h 00'
Percentage of Sunny (Cloudy) Daylight Hours 68 (32) 72 (28) 70 (30) 62 (38) 58 (42) 60 (40) 69 (31) 68 (32) 74 (26) 69 (31) 75 (25) 77 (23) 68 (32)
Sun altitude at solar noon on the 21st day (°). 37.4 46.8 57.7 69.3 77.5 80.7 77.5 69.2 57.7 46.2 37.2 33.9 57.6

Get Greater Insight into San Diego, Californias Climate

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