Best year time to visit City of Fairfax

General weather information about City of Fairfax

Average annual temperature is 14.3 °C

Absolute maximum temperature: 37.6 °C

Absolute minimum temperature: -9.6 °C

Number of sunny days: 178 days

Number of rainy days: 185 days

Number of snow days: 2 days

Look at detailed online map of City of Fairfax

* Weather data for City of Fairfax United States is based on climate observations for 2026 year

City of Fairfax air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.223.426.532.029.333.037.633.736.627.525.416.4
Average daytime temperature (°C)9.812.213.322.222.827.431.730.426.521.013.410.2
Average temperature (°C)5.56.57.215.216.421.125.324.220.815.17.65.7
Average night temperature (°C)2.12.12.29.510.515.520.519.416.210.53.32.3
Absolute minimum temperature (°C)-3.3-9.6-5.31.34.311.117.715.29.95.3-5.8-3.7

City of Fairfax 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)9.810.712.013.214.314.814.613.712.411.210.19.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.36.47.69.110.510.812.110.98.88.77.75.6
Precipitation (mm)6567641104897133541182956170
Sunny days13151418151371113192218
Rainy days17131712161724201712713
Snow days100000000010

City of Fairfax - weather forecast by months

City of Fairfax weather in januaryCity of Fairfax weather in februaryCity of Fairfax weather in marchCity of Fairfax weather in aprilCity of Fairfax weather in mayCity of Fairfax weather in juneCity of Fairfax weather in julyCity of Fairfax weather in augustCity of Fairfax weather in septemberCity of Fairfax weather in octoberCity of Fairfax weather in novemberCity of Fairfax weather in december

Best time to visit City of Fairfax:

The best time to visit City of Fairfax during the most sunny months:

  • June — 10.8(h)
  • July — 12.1(h)
  • August — 10.9(h)

The largest precipitation sum in City of Fairfax is at

  • April — 110(mm)
  • July — 133(mm)
  • September — 118(mm)
  • December — 170(mm)

    • Weather forecast in the closest to City of Fairfax admin centers

    Weather forecast in the closest towns to City of Fairfax

    Explore City of Fairfax

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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