Chester, MA Climate


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Chester, MA has a humid continental climate characterized by warm summers and cold winters. The average high temperature in July is around 82°F (28°C), while the average low temperature in January is around 8°F (-13°C). Precipitation is evenly distributed throughout the year with an average of about 44 inches (112 cm) per year. Snowfall ranges from 25 to 38 inches (64 to 97 cm) each year, with most accumulation occurring in February and March.

Chester, Massachusetts gets 52 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Chester averages 69 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 190 sunny days per year in Chester. The US average is 205 sunny days.

Chester gets some kind of precipitation, on average, 138 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.


Weather Highlights

Summer High: the July high is around 79 degrees
Winter Low: the January low is 12
Rain: averages 52 inches of rain a year
Snow: averages 69 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Chester is 6.4 (10=best), which means it is one of the least comfortable places in Massachusetts.

9 Summer - 4 Winter
July, August and June are the most pleasant months in Chester, while January and February are the least comfortable months.

  ClimateChester, MassachusettsUnited States
  51.9 in.38.1 in.
  68.5 in.27.8 in.
  138.0 days106.2 days
  190 days205 days
  79.4°85.8°
  11.5°21.7°
  6.47
  3.44.3
  591 ft.2443 ft.
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Chester with an average high temperature of 79.4°, which ranks it as cooler than most places in Massachusetts. In Chester, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chester are August, July and June.
In Chester, there are 2.6 days annually when the high temperature is over 90°, which is cooler than most places in Massachusetts.
January has the coldest nighttime temperatures for Chester with an average of 11.5°. This is one of the coldest places in Massachusetts.
In Chester, there are 164.0 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Massachusetts.
In Chester, there are 10.7 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Massachusetts.
Humidity in Chester is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and June.
October is the wettest month in Chester with 5.2 inches of rain, and the driest month is January with 3.7 inches. The wettest season is Winter with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 51.9 inches in Chester means that it is one of the wettest places in Massachusetts.
May is the rainiest month in Chester with 13.3 days of rain, and September is the driest month with only 10.1 rainy days. There are 138.0 rainy days annually in Chester, which is one of the rainiest places in Massachusetts. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 23% chance of a rainy day.
An annual snowfall of 68.5 inches in Chester means that it is one of the snowiest places in Massachusetts. January is the snowiest month in Chester with 17.7 inches of snow, and 6 months of the year have significant snowfall.
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