San Diego weather in January 2022

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  • 19°C maximum daytime temperature in January in San Diego19
    19°C max day temperature
  • 8 hours of sunshine per day
  • 6 days with some rainfall in January in San Diego6
    6 days with some rainfall
  • 7°C minimum night-time temperature in January in San Diego7
    7°C min night temperature
  • 10 hours of daylight per day in January in San Diego10
    10 hours of daylight per day
  • No heat & humidity in January in San Diego0
    No heat & humidity
  • 53 mm monthly rainfall in January in San Diego53
    53 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in January in San Diego3
    3 (Moderate) UV index
  • 15°C sea temperature in January in San Diego15
    15°C sea temperature

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The January weather guide for San Diego, California shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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How hot is it in San Diego in January?

Daytime temperatures usually reach 19°C in San Diego in January, falling to 7°C at night.

How sunny is it in San Diego in January?

There are normally 8 hours of bright sunshine each day in San Diego in January - that's 76% of daylight hours.

How warm is the sea around San Diego in January?

The average sea temperature around San Diego in January is 15°C.

Does it rain in San Diego in January?

There are usually 6 days with some rain in San Diego in January and the average monthly rainfall is 53mm.

Metric (°C / mm)  |  Imperial (°F / inches)

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San Diego sunrise & sunset times for January 2022

Browse the sunrise and sunset times for San Diego in January 2022. Select a month to view San Diego sunrise & sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st January 2022 06:51 16:54
Sunday, 16th January 2022 06:51 17:07
Monday, 31st January 2022 06:44 17:21
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