Shirley, MA Climate


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Shirley, MA has a humid continental climate, with warm summers and cold winters. The average temperature in the summer is around 21°C (70°F), while in the winter it drops to an average of around -1°C (30°F). Precipitation is fairly moderate throughout the year, with around 40-45 inches falling annually. Snowfall tends to be higher during the winter months, with an average of around 45 inches. Overall, Shirley offers a pleasant climate that enjoys four distinct seasons without having extreme weather conditions.

Shirley, Massachusetts gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Shirley averages 56 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 200 sunny days per year in Shirley. The US average is 205 sunny days.

Shirley 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 14
Rain: averages 48 inches of rain a year
Snow: averages 56 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Shirley is 6.8 (10=best), which means it is less comfortable than most places in Massachusetts.

9.2 Summer - 4.5 Winter
August, July and June are the most pleasant months in Shirley, while January and February are the least comfortable months.

  ClimateShirley, MassachusettsUnited States
  48.0 in.38.1 in.
  56.4 in.27.8 in.
  126.6 days106.2 days
  200 days205 days
  83.1°85.8°
  14.2°21.7°
  6.87
  3.54.3
  282 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 Shirley with an average high temperature of 83.1°, which ranks it as warmer than most places in Massachusetts. In Shirley, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Shirley are June, August and September.
In Shirley, there are 11.3 days annually when the high temperature is over 90°, which is hotter than most places in Massachusetts.
January has the coldest nighttime temperatures for Shirley with an average of 14.2°. This is colder than most places in Massachusetts.
In Shirley, there are 147.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Massachusetts.
In Shirley, there are 5.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Massachusetts.
Humidity in Shirley 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.
October is the wettest month in Shirley with 4.4 inches of rain, and the driest month is February with 3.2 inches. The wettest season is Summer with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 48.0 inches in Shirley means that it is about average compared to other places in Massachusetts.
May is the rainiest month in Shirley with 12.6 days of rain, and February is the driest month with only 8.8 rainy days. There are 126.6 rainy days annually in Shirley, which is about average compared to other places in Massachusetts. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 24% chance of a rainy day.
An annual snowfall of 56.4 inches in Shirley means that it is one of the snowiest places in Massachusetts. January is the snowiest month in Shirley with 17.1 inches of snow, and 6 months of the year have significant snowfall.
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