Best year time to visit Ashburn

General weather information about Ashburn

Average annual temperature is 19.7 °C

Absolute maximum temperature: 37.3 °C

Absolute minimum temperature: -1.8 °C

Number of sunny days: 173

Number of rainy days: 192

Number of snow days:

Average annual precipitation: 1190 mm

Look at detailed online map of Ashburn

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

Ashburn air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 24.5 28 30.2 31.7 32.1 34.4 36.6 37.3 32.6 29.5 25.4 23.8
Average daytime temperature (°C) 18.1 21.2 22.9 26.2 27.7 31 33.5 34.3 29.5 24.4 19.1 15.9
Average temperature (°C) 12.3 15.5 16.7 19.7 21.9 25.4 27.9 28.5 24.2 19 14 11
Average night temperature (°C) 7.8 11.2 11.5 14.2 17 20.8 23.5 24 19.8 14.3 10 7.2
Absolute minimum temperature (°C) -1.8 -0.1 -0.7 8.3 9.9 17.6 21.1 21.8 16.2 8 -0.2 -0.3

Ashburn monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 10.7 11.5 12.5 13.4 14.1 14.2 14.2 13.7 12.8 11.9 10.9 10.2
Daylight mean duration (h) 10.4 11.1 12 13 13.8 14.2 14 13.3 12.4 11.4 10.6 10.1
Daylight minimum duration (h) 10.1 10.7 11.5 12.5 13.4 14.1 13.7 12.9 11.9 11 10.3 10.1
Sunshine mean duration (h) 7 8.1 9.1 9.8 10.8 10.9 11.4 11.3 10.4 10 7.3 7.3
Precipitation (mm) 166 117 113 61 57 141 105 120 42 74 48 147
Sunny days 15 13 14 11 13 10 5 10 15 24 20 23
Rainy days 16 15 17 19 18 20 26 21 15 7 10 8

Ashburn - weather forecast by months

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

Best time to visit Ashburn:

The largest precipitation sum in Ashburn is at

  • January — 166(mm)
  • June — 141(mm)
  • December — 147(mm)

Weather forecast in the closest to Ashburn admin centers