San Diego weather averages

Going to San Diego? Find the best month to visit San Diego based on the weather.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Check San Diego weather averages before you book your next holiday in 2019/2020. Today's maximum temperature in San Diego is expected to be 21°C, while the average maximum temperature in March is 19°C.

  • Save on hotel stays in San Diego, California with Hilton
  • Browse available hotels on a map to find the perfect location
  • Book online with Hilton Hotels for the lowest price

More about San Diego

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The weather for San Diego, California shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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

San Diego weather averages: best month

San Diego Best month Averages
Warmest August 27°C
Sunniest July & August 10 hours per day
Least rain June, July, August & September 1 day
Warmest sea July, August & September 20°C

San Diego climate guide

Back to top

Tropical storm risk: San Diego, California hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
<1%
1%
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The San Diego, California tropical storm risk chart above shows the hurricane season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

More about tropical storms

  • Save up to 10% on TUI holidays when you book online
  • Browse deals on all inclusive, family and luxury breaks
  • Low deposits available from just £75 per person

Back to top

San Diego weather averages by month

Check San Diego holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

Back to top

Compare San Diego weather with the USA

Below the San Diego weather chart shows maximum daytime temperature for San Diego, California, USA and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

San Diego, California, USA
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

Compare more San Diego weather >>

  • Save up to 10% on TUI holidays when you book online
  • Browse deals on all inclusive, family and luxury breaks
  • Low deposits available from just £75 per person

Back to top

Popular California destinations

Below are average maximum temperatures at popular destinations in California in March. Select a destination to see the weather overview and compare average conditions with today's forecast.

Destinations search >>

More California destinations

All California destinations >>

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

Related posts

Popular travel offers

Back to Holiday Weather Top ^