Westwood, MA Climate

Westwood, MA has a humid continental climate characterized by warm and humid summers with cold and snowy winters. Average temperatures range from around 18 degrees Fahrenheit in winter to around 73 degrees Fahrenheit in the summer. On average, Westwood receives 44 inches of precipitation annually, mostly in the form of rain during spring and autumn months. Snowfall can occur between November and March, with an average snowfall of around 37 inches annually. July is usually the warmest month in Westwood, while January is typically the coldest month.

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

Westwood averages 47 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 Westwood. The US average is 205 sunny days.

Westwood gets some kind of precipitation, on average, 122 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 17
Rain: averages 48 inches of rain a year
Snow: averages 47 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Westwood is 6.9 (10=best), which means it is about average compared to other places in Massachusetts.

9.2 Summer - 4.8 Winter

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

Climate	Westwood, Massachusetts	United States
	47.8 in.	38.1 in.
	47.1 in.	27.8 in.
	121.7 days	106.2 days
	201 days	205 days
	82.6°	85.8°
	16.7°	21.7°
	6.9	7
	3.5	4.3
	230 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 Westwood with an average high temperature of 82.6°, which ranks it as warmer than most places in Massachusetts. In Westwood, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Westwood are June, August and July.

In Westwood, there are 9.2 days annually when the high temperature is over 90°, which is hotter than most places in Massachusetts.

January has the coldest nighttime temperatures for Westwood with an average of 16.7°. This is colder than most places in Massachusetts.

In Westwood, there are 139.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Massachusetts.

In Westwood, there are 3.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Massachusetts.

The humidity is usually comfortable in Westwood but some summer days can be muggy. July is the most humid month, though it is still relatively mild compared to many other places. The most humid months are July, August and June.

March is the wettest month in Westwood with 4.5 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 47.8 inches in Westwood means that it is about average compared to other places in Massachusetts.

May is the rainiest month in Westwood with 11.8 days of rain, and September is the driest month with only 8.8 rainy days. There are 121.7 rainy days annually in Westwood, which is about average compared to other places in Massachusetts. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 24% chance of a rainy day.

An annual snowfall of 47.1 inches in Westwood means that it is snowier than most places in Massachusetts. January is the snowiest month in Westwood with 13.8 inches of snow, and 6 months of the year have significant snowfall.