San Diego Weather in January

   
 
 

Check the Weather in San Diego, California in January before you book your next holiday. This gives the best indication of the weather in January and includes figures for temperature, sunshine and rainfall.

Max Daytime Temperature (°C) 19°C (66°F) Max Daytime Temperature in January in San Diego 19°C (66°F) in January
Min Night-time Temperature (°C) 8°C (46°F) Min Night-time Temperature in January in San Diego 8°C (46°F) in January
Hours of Sunshine (Daily) 8 Hours of Bright Sunshine per day (76% of Daylight Hours) in January in San Diego 8 Hours per day in January
Hours of Daylight (Daily) 10 Hours of Daylight in January in San Diego 10 Hours per day in January
Heat and Humidity Discomfort No heat & humidity in January in San Diego None in January
Days with some Rainfall 6 Days with some Rainfall in January in San Diego 6 Days in January
Monthly Rainfall (mm) 58 mm (2.3 inches) Monthly Rainfall in January in San Diego 58 mm (2.3 inches) in January
UV Index (Maximum) UV (Maximum) Index 3 (Moderate) in January in San Diego 3 (Moderate) in January
Sea Temperature (°C) 15°C (59°F) Sea Temperature in January in San Diego 15°C (59°F) in January
All Months Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C)  |  Imperial (°F) 
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Low online deposits from £150 with BA - British Airways Low online deposits from £150 with BA
Pay low deposits from £150 on holiday (flight+hotel and flight+car) bookings with British Airways. Remaining balance is then due 10 weeks prior to departure.

Map of California

Select a destination from the California Map to view the january weather guide. Alternatively, select from the list of destinations below the map. Can't find the California weather destination you are after? Try the Destination Search.

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San Diego weather by month

Check the weather for a particular month in San Diego by selecting a month from the list below. Alternatively check which month usually has the Best Weather in San Diego. If you are not sure where to go, why not try our Holiday Planner.

   
 
 

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