Best year time to visit Suisun

General weather information about Suisun

Average annual temperature is 14.7 °C

Absolute maximum temperature: 38.5 °C

Absolute minimum temperature: 0.0 °C

Number of sunny days: 260 days

Number of rainy days: 105 days

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

Suisun air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)19.119.418.429.828.933.938.537.732.135.426.219.4
Average daytime temperature (°C)13.813.814.020.021.324.231.832.127.426.819.715.8
Average temperature (°C)9.38.29.413.015.017.121.021.919.218.513.310.5
Average night temperature (°C)6.24.25.87.910.912.513.615.414.012.78.46.8
Absolute minimum temperature (°C)0.02.11.32.77.410.511.513.111.75.21.41.3

Suisun monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.910.812.013.214.214.814.513.612.411.210.19.6
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.77.77.811.411.713.013.112.111.09.58.16.0
Precipitation (mm)3247227361400041244139
Sunny days12159252329303026242116
Rainy days1913225811147915
Snow days000000000000

Suisun - weather forecast by months

Suisun weather in januarySuisun weather in februarySuisun weather in marchSuisun weather in aprilSuisun weather in maySuisun weather in juneSuisun weather in julySuisun weather in augustSuisun weather in septemberSuisun weather in octoberSuisun weather in novemberSuisun weather in december

Best time to visit Suisun:

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

  • June — 13.0(h)
  • July — 13.1(h)

The largest precipitation sum in Suisun is at

  • January — 324(mm)
  • March — 273(mm)
  • December — 139(mm)

    • Weather forecast in the closest to Suisun admin centers

    Weather forecast in the closest towns to Suisun

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    Frequently asked questions

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