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Weather in January in San Diego, California

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< January >
 
Normal Max/ High Temperature 19°C (66°F)
 
Average Temperature 14°C (57°F)
 
Min/ Low Temperature 9°C (49°F)
 
Normal Precipitation 46mm (1.8in)
Number of Wet Days (probability of rain on a day) 7 (23%)
Average Sunlight per day 06:50
Average Daylight per day 10:14
Sunny (Cloudy) Daylight Hours 68% (32%)
Sun altitude at solar noon on the 21st day.
37.4°


  • The average temperature in San Diego, California in January is mild at 14.1 °C (57.38 °F).
  • Afternoons can be somewhat warm with average high temperatures reaching 18.8 °C (65.8 °F).
  • Overnight temperatures are generally a little cool with an average low of 9.4 °C (48.9 °F).
  • The average diurnal temperature variation/ range in January is 9.4 °C (16.9 °F).
  • The weather in January is a little parched with sporadic rain. A mere 45.7mm (1.8in) of fluid is dropped across on average 7 days.
  • The skies in San Diego, California are fine with on balance a measurable 6:50 of intense solar radiation per day.
  • The shortest day is 10:01 long and the longest day is 10:32 long with an average length of 10:14.
  • There are approximately 3:15 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
  • It is sunny approximately 67.7% of daylight hours and cloudy 32.3% of daylight hours.

Check the distance to and compare the San Diego, California January averages with somewhere beginning with:

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Weather Trend Graph for January in San Diego, California, Usa

Graph of weather in San Diego, California in January

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