Best year time to visit Sonoma

General weather information about Sonoma

Average annual temperature is 10.4 °C

Absolute maximum temperature: 32.2 °C

Absolute minimum temperature: -20.1 °C

Number of sunny days: 161 days

Number of rainy days: 173 days

Number of snow days: 31 days

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* Weather data for Sonoma United States is based on climate observations for 2026 year

Sonoma air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.313.917.425.930.831.631.432.231.028.216.513.1
Average daytime temperature (°C)3.14.76.515.321.526.627.926.323.415.88.86.4
Average temperature (°C)-0.2-0.51.68.914.820.122.120.618.111.54.03.2
Average night temperature (°C)-2.8-4.2-2.13.68.514.116.915.913.68.00.30.8
Absolute minimum temperature (°C)-20.1-15.9-11.2-4.91.49.513.09.57.4-2.6-8.8-4.4

Sonoma monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.510.611.913.414.615.214.913.912.511.19.89.2
Daylight minimum duration (h)9.010.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)2.86.96.68.710.511.711.610.68.36.26.43.4
Precipitation (mm)6991118935172131136321136557
Sunny days9119122214101716111812
Rainy days1211151791621141419817
Snow days1067100000142

Sonoma - weather forecast by months

Sonoma weather in januarySonoma weather in februarySonoma weather in marchSonoma weather in aprilSonoma weather in maySonoma weather in juneSonoma weather in julySonoma weather in augustSonoma weather in septemberSonoma weather in octoberSonoma weather in novemberSonoma weather in december

Best time to visit Sonoma:

The best time to visit Sonoma during the most sunny months:

  • May — 10.5(h)
  • June — 11.7(h)
  • July — 11.6(h)
  • August — 10.6(h)

The largest precipitation sum in Sonoma is at

  • March — 118(mm)
  • July — 131(mm)
  • August — 136(mm)
  • October — 113(mm)

    • Weather forecast in the closest to Sonoma admin centers

    Weather forecast in the closest towns to Sonoma

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    Frequently asked questions

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