Chelmsford (MA) Climate by Month
The temperature in Chelmsford can vary greatly throughout the year.
The temperatures shift from warm
to very cold.
It also experiences much rain/snowfall throughout the year.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
Depending on the time of the year, temperatures range from comfortable to very cold in Chelmsford. Average daytime temperatures reach a comfortable 29°C in July. In February, the coolest month of the year, temperatures drop to a very cold 2°C. At night, expect cooler temperatures, averaging -9°C during this month.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Chelmsford has a relatively rain/snowy climate with high precipitation levels, averaging 1278 mm of rain/snowfall annually. Despite minor fluctuations, Chelmsford enjoys fairly consistent precipitation throughout the year. In October, you can expect around 129 mm of precipitation, while in January, Chelmsford receives about 88 mm.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Chelmsford can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 10.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is low throughout the year in Chelmsford.
Relative humidity over the year
The best time of year to visit Chelmsford in the United States of America
During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
July has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 2°C.
October tops the wettest month list with 129 mm of rainfall.
January is the driest month with 88 mm of precipitation.
May is the sunniest month with an average of 301 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
