Zip 02558 (Onset, MA) Climate

The climate in 02558 Onset, MA is mild and temperate. During the summer months, temperatures usually range from the low seventies to mid-eighties with comfortable humidity levels and lots of sunshine. Winters are cool, but rarely cold enough for snow. Temperatures usually hover around the low 40s and high 30s on average. Spring and fall are pleasant, with temperatures ranging from the upper fifties to mid-seventies. Precipitation is relatively evenly distributed throughout the year, with an average annual precipitation of about 47 inches per year.

Onset (zip 02558), Massachusetts gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Onset (zip 02558) averages 36 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 Onset (zip 02558). The US average is 205 sunny days.

Onset (zip 02558) gets some kind of precipitation, on average, 113 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 81 degrees
Winter Low: the January low is 20
Rain: averages 51 inches of rain a year
Snow: averages 36 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 02558 zip code is 7.0 (10=best), which means it is more comfortable than most places in Massachusetts.

9.1 Summer - 5.1 Winter

June, August and July are the most pleasant months in the 02558 zip code, while January and February are the least comfortable months.

Climate	Onset, Massachusetts	United States
	50.8 in.	38.1 in.
	36.3 in.	27.8 in.
	113.2 days	106.2 days
	201 days	205 days
	81.1°	85.8°
	19.6°	21.7°
	7	7
	3.3	4.3
	28 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 the 02558 zip code with an average high temperature of 81.1°, which ranks it as about average compared to other places in Massachusetts. In the 02558 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 02558 zip code are August, June and July.

In the 02558 zip code, there are 5.5 days annually when the high temperature is over 90°, which is about average compared to other places in Massachusetts.

January has the coldest nighttime temperatures for the 02558 zip code with an average of 19.6°. This is warmer than most places in Massachusetts.

In the 02558 zip code, there are 122.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Massachusetts.

In the 02558 zip code, there are 1.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Massachusetts.

The humidity is usually comfortable in the 02558 zip code but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.

March is the wettest month in the 02558 zip code with 5.4 inches of rain, and the driest month is July with 3.5 inches. The wettest season is Summer with 27% of yearly precipitation and 23% occurs in Autumn, which is the driest season. The annual rainfall of 50.8 inches in the 02558 zip code means that it is one of the wettest places in Massachusetts.

December is the rainiest month in the 02558 zip code with 10.9 days of rain, and September is the driest month with only 7.9 rainy days. There are 113.2 rainy days annually in the 02558 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 Autumn with only a 23% chance of a rainy day.

An annual snowfall of 36.3 inches in the 02558 zip code means that it is less snowy than most places in Massachusetts. January is the snowiest month in the 02558 zip code with 11.8 inches of snow, and 6 months of the year have significant snowfall.

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