Best year time to visit Fairfax

General weather information about 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

Number of rainy days: 185

Number of snow days: 2

Average annual precipitation: 1019 mm

Look at detailed online map of Fairfax

* Weather data for Fairfax United States is based on climate observations for 2023 year

Fairfax air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 18.2 23.4 26.5 32 29.3 33 37.6 33.7 36.6 27.5 25.4 16.4
Average daytime temperature (°C) 9.8 12.2 13.3 22.2 22.8 27.4 31.7 30.4 26.5 21 13.4 10.2
Average temperature (°C) 5.5 6.5 7.2 15.2 16.4 21.1 25.3 24.2 20.8 15.1 7.6 5.7
Average night temperature (°C) 2.2 2.1 2.2 9.5 10.5 15.5 20.5 19.4 16.2 10.5 3.3 2.4
Absolute minimum temperature (°C) -3.3 -9.6 -5.3 1.3 4.3 11.1 17.7 15.2 9.9 5.3 -5.8 -3.7

Fairfax monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 10.2 11.3 12.6 13.8 14.7 14.9 14.9 14.2 13.1 11.8 10.6 9.7
Daylight mean duration (h) 9.8 10.8 12 13.2 14.3 14.8 14.6 13.7 12.5 11.2 10.1 9.5
Daylight minimum duration (h) 9.5 10.3 11.3 12.6 13.8 14.7 14.2 13.1 11.8 10.6 9.7 9.4
Sunshine mean duration (h) 6.6 6.6 8.5 10.2 10.5 11.6 12.1 10.9 9.4 8.7 8.3 6.2
Precipitation (mm) 66 68 64 110 49 97 134 55 119 29 57 171
Sunny days 13 15 14 18 15 13 7 11 13 19 22 18
Rainy days 17 13 17 12 16 17 24 20 17 12 7 13
Snow days 1 1

Fairfax - weather forecast by months

January February March April May June July August September October November December

Best time to visit Fairfax:

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

  • June — 11.6(h)
  • July — 12.1(h)

The largest precipitation sum in Fairfax is at

  • April — 110(mm)
  • July — 134(mm)
  • September — 119(mm)
  • December — 171(mm)

Weather forecast in the closest to Fairfax admin centers