Weather in California in May

General weather information about California

Average annual temperature is 23.1 °C

Absolute maximum temperature: 44.3 °C

Absolute minimum temperature: 3.0 °C

Number of sunny days: 245 days

Number of rainy days: 120 days

Look at detailed online map of California

* Weather data for California Mexico is based on climate observations for 2026 year

California air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)32.137.237.339.539.544.339.940.838.733.433.730.0
Average daytime temperature (°C)25.325.930.030.331.237.936.636.835.327.322.121.2
Average temperature (°C)17.517.721.522.724.730.629.830.028.921.916.415.2
Average night temperature (°C)11.311.515.417.019.723.823.523.822.818.312.810.9
Absolute minimum temperature (°C)5.43.33.011.717.118.921.522.020.25.45.26.2

California monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.013.013.013.013.012.011.011.010.0
Daylight mean duration (h)10.711.312.012.813.413.713.613.012.311.510.910.5
Daylight minimum duration (h)10.010.011.012.013.013.013.012.011.011.010.010.0
Sunshine mean duration (h)8.89.69.19.910.712.112.011.711.17.66.47.2
Precipitation (mm)107104491113681589
Sunny days292623181119192221132024
Rainy days228122011129918107
Snow days000000000000

Best time to visit California:

The largest precipitation sum in California is at

  • May — 44(mm)
  • October — 81(mm)
  • November — 58(mm)
  • Frequently asked questions

    When is the best time to visit California?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit California.
    What is the weather like in California?
    See average temperature, rainfall and daylight hours for California by month in the table above.
    How many sunny days does California have?
    The monthly weather statistics above show sunshine and rainfall patterns for California throughout the year.