Zip 02482 (Wellesley, MA) Climate

Wellesley, MA has a humid continental climate. The summers in Wellesley can be warm and muggy with temperatures reaching upwards of 80 degrees Fahrenheit. Winters are icy cold and can dip down to 0 degrees Fahrenheit or below. Spring is mild and offers good weather for outdoor activities, with temperatures ranging between the 40s and 60s. Fall brings cooler temperatures but still enjoyable weather, featuring crisp mornings and pleasant afternoons in the 50s and 60s. All in all, Wellesley has four distinct seasons that offer a variety of climates throughout the year.

Wellesley (zip 02482), Massachusetts gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Wellesley (zip 02482) averages 50 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 Wellesley (zip 02482). The US average is 205 sunny days.

Wellesley (zip 02482) gets some kind of precipitation, on average, 131 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 49 inches of rain a year
Snow: averages 50 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Wellesley 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 Wellesley, while January and February are the least comfortable months.

Climate	Wellesley, Massachusetts	United States
	48.6 in.	38.1 in.
	50.1 in.	27.8 in.
	130.7 days	106.2 days
	201 days	205 days
	82.8°	85.8°
	17.3°	21.7°
	6.9	7
	3.5	4.3
	148 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 Wellesley with an average high temperature of 82.8°, which ranks it as warmer than most places in Massachusetts. In Wellesley, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Wellesley are June, August and September.

In Wellesley, there are 9.9 days annually when the high temperature is over 90°, which is hotter than most places in Massachusetts.

January has the coldest nighttime temperatures for Wellesley with an average of 17.3°. This is about average compared to other places in Massachusetts.

In Wellesley, there are 131.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Massachusetts.

In Wellesley, there are 2.9 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Massachusetts.

The humidity is usually comfortable in Wellesley 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 Wellesley with 4.5 inches of rain, and the driest month is February with 3.5 inches. The wettest season is Winter with 26% of yearly precipitation and 24% occurs in Spring, which is the driest season. The annual rainfall of 48.6 inches in Wellesley means that it is wetter than most places in Massachusetts.

May is the rainiest month in Wellesley with 12.7 days of rain, and September is the driest month with only 9.2 rainy days. There are 130.7 rainy days annually in Wellesley, which is rainier than most 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 50.1 inches in Wellesley means that it is snowier than most places in Massachusetts. January is the snowiest month in Wellesley with 14.7 inches of snow, and 6 months of the year have significant snowfall.

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