Climate in San Diego (California), United States of America

See the monthly weather averages in graphs below.
* Data from nearest weather station: San Diego (California), United States of America (0.0 KM).

Average minimum and maximum temperature over the year

The monthly mean minimum and maximum daily temperature. Show in Fahrenheit

Average min and max temperatures in San Diego, United States of America   Copyright © 2020 www.weather-and-climate.com

Average monthly hours of sunshine over the year

This is the monthly total of sunhours

Average monthly sunhours in San Diego, United States of America   Copyright © 2020 www.weather-and-climate.com

Average percent of sunshine over the year

This is the mean percent of sunhours during the day

Average percent of sunshine in San Diego, United States of America   Copyright © 2020 www.weather-and-climate.com

Average monthly precipitation over the year (rainfall, snow)

This is the mean monthly precipitation, including rain, snow, hail etc. Show in Inches

Average precipitation (rain/snow) in San Diego, United States of America   Copyright © 2020 www.weather-and-climate.com

Average monthly rainy days over the year

This is the number of days each month with rain, snow, hail etc.

Average rainy days (rain/snow) in San Diego, United States of America   Copyright © 2020 www.weather-and-climate.com

Where to stay in San Diego

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Average humidity over the year

This is the mean monthly relative humidity

Average relative humidity in San Diego, United States of America   Copyright © 2020 www.weather-and-climate.com

What is the best time of year to go to San Diego in United States of America

San Diego is a year-round destination with a semi arid Mediterranean climate. You will experience warm, dry summers and mild winters. Most rain is seen between November and March.

Snow and ice are rare in wintertime. The record low temperature was minus 4 degrees Celsius (25° Fahrenheit). It has on average around 145 sunny days and 115 cloudy days a year. There are an average of 40 days with measurable precipitation.

Here are some average weather facts we collected from our historical climate data:

  • During the month of April, May, June, July, August, September, October and November you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68°F) and 25 degrees Celsius (77°F).
  • San Diego has dry periods in April, May, June, July, August, September and October.
  • On average, the warmest month is August with 25°C (77°F).
  • On average, the coldest month is December with 19°C (66°F).
  • February is the wettest month. This month should be avoided if you are not a big fan of rain.
  • August is the driest month.
No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go here.