Best year time to visit Manassas

General weather information about Manassas

Average annual temperature is 14.5 °C

Absolute maximum temperature: 38.5 °C

Absolute minimum temperature: -9.1 °C

Number of sunny days: 184

Number of rainy days: 180

Number of snow days: 1

Average annual precipitation: 940 mm

Look at detailed online map of Manassas

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

Manassas air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 18.6 23.8 27.2 31.5 30.4 33.9 38.5 33.9 37.2 28.2 26.3 16.8
Average daytime temperature (°C) 10.3 12.7 13.9 22.6 23.4 28.1 32.3 30.9 27 21.4 13.9 10.6
Average temperature (°C) 5.7 7.1 7.5 15.4 16.7 21.5 25.7 24.5 21 15.2 7.7 5.7
Average night temperature (°C) 2.1 2.1 2.3 9.3 10.5 15.4 20.6 19.4 16.2 10.3 3.2 2
Absolute minimum temperature (°C) -3.4 -9.1 -5.2 0.8 4.8 11 18 15.1 9.5 5 -5.3 -3.9

Manassas 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 14.8 14.2 13 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 9.5
Sunshine mean duration (h) 6.8 6.6 8.5 9.7 10.2 11.6 12 10.9 9.3 8.8 8.3 6.1
Precipitation (mm) 64 58 57 116 39 102 109 48 105 25 57 159
Sunny days 15 16 14 17 15 13 10 11 15 18 22 18
Rainy days 16 12 17 13 16 17 21 20 15 13 7 13

Manassas - weather forecast by months

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

Best time to visit Manassas:

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

  • June — 11.6(h)
  • July — 12(h)

The largest precipitation sum in Manassas is at

  • April — 116(mm)
  • June — 102(mm)
  • July — 109(mm)
  • September — 105(mm)
  • December — 159(mm)

Weather forecast in the closest to Manassas admin centers