Zip 02457 (Wellesley, MA) Climate

The climate in 02457 Wellesley, MA is generally quite mild. The summers tend to be warm and humid with temperatures typically ranging between the mid-70s and mid-80s Fahrenheit. Winters are generally cold with temperatures dipping into the low 20s, but snowfall is moderate compared to other parts of New England. Precipitation is spread out fairly evenly throughout the year, with spring and summer being the wettest seasons. Overall, Wellesley offers a pleasant climate that allows for outdoor activities year round, making it an ideal place to live and visit.

Wellesley (zip 02457), Massachusetts gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Wellesley (zip 02457) 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 Wellesley (zip 02457). The US average is 205 sunny days.

Wellesley (zip 02457) gets some kind of precipitation, on average, 127 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 47 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
	Unlock	38.1 in.
	46.9 in.	Unlock
	Unlock	106.2 days
	201 days	Unlock
	82.8°	85.8°
	Unlock	21.7°
	6.9	Unlock
	Unlock	4.3
	205 ft.	Unlock

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 131.5 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 12.3 days of rain, and September is the driest month with only 8.9 rainy days. There are 127.0 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 46.9 inches in Wellesley means that it is snowier than most places in Massachusetts. January is the snowiest month in Wellesley with 13.8 inches of snow, and 6 months of the year have significant snowfall.

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