Average humidity in Chelmsford (MA)
The mean monthly relative humidity over the year in Chelmsford (Massachusetts), the United States of America.
* Data from: Boston, the United States of America (37 KM, 23 Miles).
- On average, August is the most humid month, at 72.0%.
- On average, February is the least humid month, at 62.0%.
- The average annual percentage of humidity is 67%.
Forecast for Chelmsford (MA)
Mon Nov 04
9°C | -4°C
SE 
11 km/h
11 km/h
broken clouds and no rain
Tue Nov 05
21°C | 8°C
SW 18 km/h
18 km/h
almost clear and no rain
Wed Nov 06
24°C | 13°C
SW 22 km/h
22 km/h
partly cloudy and no rain
