Zip 01581 (Westborough, MA) Climate

01581 Westborough, MA has a humid continental climate with four distinct seasons. Summers are generally hot and humid, with temperatures reaching into the mid to upper 80s accompanied by high humidity. Winters can be cold and snowy with temperatures occasionally dropping to the single digits and plenty of snowfall in January and February. Spring is usually mild when the days start to get longer while autumn is a pleasant time of year before winter arrives. Average annual precipitation for the area is around 44 inches, primarily falling between April and October.

Westborough (zip 01581), Massachusetts gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Westborough (zip 01581) averages 45 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 197 sunny days per year in Westborough (zip 01581). The US average is 205 sunny days.

Westborough (zip 01581) gets some kind of precipitation, on average, 117 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 15
Rain: averages 49 inches of rain a year
Snow: averages 45 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 01581 zip code is 6.9 (10=best), which means it is about average compared to other places in Massachusetts.

9.1 Summer - 4.9 Winter

August, July and June are the most pleasant months in the 01581 zip code, while January and February are the least comfortable months.

Climate	Westborough, Massachusetts	United States
	Unlock	38.1 in.
	44.6 in.	Unlock
	Unlock	106.2 days
	197 days	Unlock
	83.2°	85.8°
	Unlock	21.7°
	6.9	Unlock
	Unlock	4.3
	319 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 the 01581 zip code with an average high temperature of 83.2°, which ranks it as one of the hottest places in Massachusetts. In the 01581 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 01581 zip code are June, September and August.

In the 01581 zip code, there are 11.6 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 01581 zip code with an average of 15.0°. This is colder than most places in Massachusetts.

In the 01581 zip code, there are 145.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Massachusetts.

In the 01581 zip code, there are 5.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Massachusetts.

Humidity in the 01581 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.

March is the wettest month in the 01581 zip code with 4.6 inches of rain, and the driest month is February with 3.5 inches. The wettest season is Summer with 26% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 49.1 inches in the 01581 zip code means that it is wetter than most places in Massachusetts.

May is the rainiest month in the 01581 zip code with 11.5 days of rain, and September is the driest month with only 8.5 rainy days. There are 116.7 rainy days annually in the 01581 zip code, which is less rainy 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 44.6 inches in the 01581 zip code means that it is snowier than most places in Massachusetts. January is the snowiest month in the 01581 zip code with 13.4 inches of snow, and 6 months of the year have significant snowfall.

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