Monthly Average Rainy days in Herndon
The number of days each month with rain, snow and hail in Herndon (Virginia), the United States of America.
- On average, May is the most rainy with 14 days of rain/snow.
- On average, November is the driest month with 9 rainy days.
- The average annual number of rainy days is 135.
Current rainfall in Herndon
Tue Dec 24
5°C | -3°C
SW 
2 m/s
2 m/s0.7 mm
broken clouds and chance of slight snow
Wed Dec 25
6°C | -1°C
NE 3 m/s
3 m/s
overcast and no rain
Thu Dec 26
6°C | -2°C
E 2 m/s
2 m/s
overcast and no rain
