ClimateForecastMayJune >>

Average monthly snow and rainfall in Herndon

The mean monthly precipitation over the year in Herndon (Virginia), including rain, snow, hail.

  • A lot of rain (rainy season) falls in the months: May, June, September and October.
  • On average, October is the wettest month with 134 mm of precipitation.
  • On average, February is the driest month with 63 mm of precipitation.
  • The average amount of annual precipitation is 1116 mm.

Forecast for Herndon

Mon   May 06
27°C | 17°C
S 7 km/h
2 mm
broken clouds and  chance of slight rain

broken clouds and chance of slight rain

Tue   May 07
27°C | 18°C
S 7 km/h
4.3 mm
broken clouds and thunder

broken clouds and thunder

Wed   May 08
30°C | 18°C
NW 22 km/h
0.9 mm
partly cloudy and thunder

partly cloudy and thunder

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