Grafton, MA Climate


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Grafton, MA enjoys four distinct seasons throughout the year with mild temperatures and an abundance of sunshine. The summers are warm and humid with temperatures reaching up to 90 degrees Fahrenheit on average. Winters in Grafton tend to be cold and snowy, with average temperatures of around 28 degrees Fahrenheit and plenty of snowfall. Spring brings blooming flowers and pleasant temperatures, while autumn brings colorful foliage and crisp air. Overall, the climate in Grafton is pleasant year-round with moderate temperature variations.

Grafton, Massachusetts gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Grafton averages 44 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 Grafton. The US average is 205 sunny days.

Grafton gets some kind of precipitation, on average, 120 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 14
Rain: averages 49 inches of rain a year
Snow: averages 44 inches of snow a year


Bestplaces Comfort Index

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

9.1 Summer - 4.8 Winter
August, July and June are the most pleasant months in Grafton, while January and February are the least comfortable months.

  ClimateGrafton, MassachusettsUnited States
  48.7 in.38.1 in.
  43.6 in.27.8 in.
  120.4 days106.2 days
  197 days205 days
  82.5°85.8°
  13.5°21.7°
  6.97
  3.34.3
  476 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 Grafton with an average high temperature of 82.5°, which ranks it as warmer than most places in Massachusetts. In Grafton, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grafton are June, August and September.
In Grafton, there are 9.1 days annually when the high temperature is over 90°, which is hotter than most places in Massachusetts.
January has the coldest nighttime temperatures for Grafton with an average of 13.5°. This is colder than most places in Massachusetts.
In Grafton, there are 151.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Massachusetts.
In Grafton, there are 7.4 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Massachusetts.
Humidity in Grafton 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 Grafton with 4.6 inches of rain, and the driest month is February with 3.4 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 48.7 inches in Grafton means that it is wetter than most places in Massachusetts.
May is the rainiest month in Grafton with 12.2 days of rain, and September is the driest month with only 8.7 rainy days. There are 120.4 rainy days annually in Grafton, 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 43.6 inches in Grafton means that it is about average compared to other places in Massachusetts. January is the snowiest month in Grafton with 13.8 inches of snow, and 6 months of the year have significant snowfall.
Reviews for Grafton
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Hello everyone! My name is James Walsh. I am currently seeking a seat on the board of selectmen here in Grafton, MA. I, like many in town, am tired of the taxes and fees  More

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Over 15 years ago

There is not much offered here in Grafton in terms of recreation or night life or cultural activities. As a mother of two children, there is not enough offered in terms  More

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