Best year time to visit Marin County

General weather information about Marin County

Average annual temperature is 12.7 °C

Absolute maximum temperature: 32.6 °C

Absolute minimum temperature: 1.8 °C

Number of sunny days: 248 days

Number of rainy days: 117 days

Look at detailed online map of Marin County

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

Marin County air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.818.418.323.421.423.527.027.724.532.624.319.1
Average daytime temperature (°C)13.412.811.914.616.217.921.022.020.622.017.815.4
Average temperature (°C)9.98.38.610.412.313.715.416.715.815.913.211.7
Average night temperature (°C)7.45.16.27.49.710.811.613.412.812.09.99.1
Absolute minimum temperature (°C)2.41.82.44.37.18.410.011.310.85.65.14.6

Marin County 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)6.07.88.111.211.812.312.911.610.48.67.75.7
Precipitation (mm)331732751645180162170183
Sunny days14158252226302724231915
Rainy days17132359414681116
Snow days000000000000

Marin County - weather forecast by months

Marin County weather in januaryMarin County weather in februaryMarin County weather in marchMarin County weather in aprilMarin County weather in mayMarin County weather in juneMarin County weather in julyMarin County weather in augustMarin County weather in septemberMarin County weather in octoberMarin County weather in novemberMarin County weather in december

Best time to visit Marin County:

The best time to visit Marin County during the most sunny months:

  • June — 12.3(h)
  • July — 12.9(h)

The largest precipitation sum in Marin County is at

  • January — 331(mm)
  • March — 275(mm)
  • December — 183(mm)

    • Weather forecast in the closest to Marin County admin centers

    Weather forecast in the closest towns to Marin County

    Explore Marin County

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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