Lowell, MA 

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Climate in Lowell, MA

Lowell, MA has a humid continental climate, with warm summers and cold winters. The average temperature in July is 78 degrees Fahrenheit while the average temperature in January is around 25 degrees Fahrenheit. The area experiences occasional snowfall during the winter months and receives an average of 43 inches of precipitation per year. Summers are typically warm and humid, while winters can be quite cold with temperatures occasionally dipping below zero at night. Lowell also experiences frequent storms throughout the year, particularly in spring and summer.

Lowell, Massachusetts gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Lowell averages 56 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 203 sunny days per year in Lowell. The US average is 205 sunny days.

Lowell 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 48 inches of rain a year
Snow: averages 56 inches of snow a year


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

9.2 / 4.6

Summer   /   Winter
August, July and June are the most pleasant months in Lowell, while January and February are the least comfortable months.

Climate Averages
  Lowell, MassachusettsUnited States
  47.5 in.38.1 in.
  55.6 in.27.8 in.
  128.3 days106.2 days
  203 days205 days
  118 ft.2443 ft.


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 Lowell with an average high temperature of 83.2°, which ranks it as one of the hottest places in Massachusetts. In Lowell, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lowell are June, August and September.

In Lowell, 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 Lowell with an average of 15.7°. This is colder than most places in Massachusetts.

In Lowell, there are 135.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Massachusetts.

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

Humidity in Lowell 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.

October is the wettest month in Lowell with 4.4 inches of rain, and the driest month is February with 3.3 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 47.5 inches in Lowell means that it is drier than most places in Massachusetts.

May is the rainiest month in Lowell with 12.4 days of rain, and September is the driest month with only 9.0 rainy days. There are 128.3 rainy days annually in Lowell, 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 55.6 inches in Lowell means that it is one of the snowiest places in Massachusetts. January is the snowiest month in Lowell with 16.8 inches of snow, and 6 months of the year have significant snowfall.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Lowell    4 Reviews
    traffic, double parking, crime, drugs, etc..... - 7/29/2009
    Lowell... what a city! Remember to read the plaques on each sewer reminding our residents not to wash your daily garbage down the gutters. Remember, here in Lowell,... Read More

    Start Your Review of Lowell

    About living in Lowell - 6/26/2008
    We are in a quiet neighbor hood with modtly elderly people on our street, I have always lived in this city and I wouldn't change for any place in the U.S.A I love the... Read More

    Changing - 12/17/2007
    Many parts of Middlesex county have become incredibly congested and overcrowded in recent years due to immigration. Some white flight taking place in Lowell, though... Read More

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