Zip 01824 (Chelmsford, MA) Climate

01824 Chelmsford, MA has a humid continental climate. Winters are cold and snowy with average temperatures in the low twenties and occasional snowfalls. Summer months tend to be hot and humid with average temperatures reaching the mid-eighties during the day and dropping to the low sixties at night. The area receives an average of 44 inches of precipitation per year, with the majority falling in late spring and early summer months. The area is also prone to extreme weather events such as thunderstorms, tornadoes, strong winds, and ice storms.

Chelmsford (zip 01824), Massachusetts gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Chelmsford (zip 01824) averages 56 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 201 sunny days per year in Chelmsford (zip 01824). The US average is 205 sunny days.

Chelmsford (zip 01824) gets some kind of precipitation, on average, 128 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 83 degrees
Winter Low: the January low is 16
Rain: averages 47 inches of rain a year
Snow: averages 56 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 01824 zip code is 6.8 (10=best), which means it is less comfortable than most places in Massachusetts.

9.2 Summer - 4.6 Winter

August, July and June are the most pleasant months in the 01824 zip code, while January and February are the least comfortable months.

Climate	Chelmsford, Massachusetts	United States
	47.2 in.	38.1 in.
	56.1 in.	27.8 in.
	128.2 days	106.2 days
	201 days	205 days
	83.4°	85.8°
	16.1°	21.7°
	6.8	7
	3.5	4.3
	188 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 the 01824 zip code with an average high temperature of 83.4°, which ranks it as one of the hottest places in Massachusetts. In the 01824 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 01824 zip code are June, August and September.

In the 01824 zip code, there are 11.8 days annually when the high temperature is over 90°, which is one of the hottest places in Massachusetts.

January has the coldest nighttime temperatures for the 01824 zip code with an average of 16.1°. This is colder than most places in Massachusetts.

In the 01824 zip code, there are 135.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Massachusetts.

In the 01824 zip code, there are 4.3 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Massachusetts.

Humidity in the 01824 zip code is generally low and comfortable. But there some days when the humidity becomes unpleasant, especially in July and August. The most humid months (but still comfortable) are July, August and June.

November is the wettest month in the 01824 zip code with 4.4 inches of rain, and the driest month is February with 3.2 inches. The wettest season is Winter with 26% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 47.2 inches in the 01824 zip code means that it is drier than most places in Massachusetts.

May is the rainiest month in the 01824 zip code with 12.5 days of rain, and September is the driest month with only 8.9 rainy days. There are 128.2 rainy days annually in the 01824 zip code, which is rainier than most places in Massachusetts. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 24% chance of a rainy day.

An annual snowfall of 56.1 inches in the 01824 zip code means that it is one of the snowiest places in Massachusetts. January is the snowiest month in the 01824 zip code with 16.9 inches of snow, and 6 months of the year have significant snowfall.

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