Climate and monthly weather forecast
Great Barrington, MA

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The colorful ancient stone building that hosts the town hall of Great Barrington in Massachusetts
The colorful ancient stone building that hosts the town hall of Great Barrington in Massachusetts

The climate of Great Barrington

Great Barrington, Massachusetts, USA, lies within a climate zone classified by Köppen as Dfb. This indicates a humid continental climate, characterized by no dry season and warm summers. Flanked by the Appalachian Mountains on one side, the town is nestled within a geographical location that largely directs and defines its weather patterns throughout the year.

As a typical Dfb region, the climate in Great Barrington records indexed variations in different weather parameters. The temperature swings from a chill 17.1°F (-8.3°C) during the colder months to a welcoming 80.2°F (26.8°C) in the height of summer. Relative humidity hovers around 75% to 84% year-round, contributing to a notably moist environment. Concerning rainfall, the wettest month on record is October with a rainfall of 3.03" (77mm), while January observes the least, at 2.13" (54mm).

Unique weather patterns emerge on closer examination. Snowfall ranging from 0.39" (10mm) to as much as 6.89" (175mm) is experienced from January to April, and in November and December. June bears the brunt of maximum daylight lasting 15.2 hours coupled with extreme UV index of 5, resulting in extensive sunshine. By contrast, December endures a limiting daylight duration of 9.2 hours.

The best time to visit Great Barrington

The best time to visit Great Barrington depends entirely on the visitor's itinerary and weather preference. However, for those who are comforted by balmy weather and copious sunlight, mid-May to late August might prove to be an excellent period. Warm temperatures around 66.7°F (19.3°C) to 80.2°F (26.8°C), lower wind speeds from 5.2mph (8.4km/h) to 5.8mph (9.3km/h), and long hours of daylight from 14.6 hours to 15.2 hours, make these months particularly invigorating.

The worst time to visit Great Barrington

Tourist visits to Great Barrington might be compromised in the winter. The period from late November to early March experiences frigid temperatures dipping to 17.1°F (-8.3°C) to 25.5°F (-3.6°C). In addition, heavy snowfall occurs during these months, which might restrict the accessibility to many outdoor attractions. Furthermore, the dreary daylight period averaging between 9.2 hours to 10.6 hours and chilled winds gusting up to 12.7mph (20.4km/h) could discourage outdoor activities.

Spring weather in Great Barrington

Spring in Great Barrington extends from late March to May. The transition period sees climatic elements vying with each other, from warmer temperatures of 40.6°F (4.8°C) to 66.7°F (19.3°C), increased daylight from 13.4 hours to 14.6 hours, to frequent rain showers measuring between 2.64" (67mm) to 2.91" (74mm). The UV index begins to rise to 3 in April, indicating longer sunshine hours, while the wind speeds declining to 8mph (12.9km/h) to 6.5mph (10.5km/h) forecast the start of pleasant days.

Summer weather in Great Barrington

Summertime in Great Barrington, spanning June to August, embraces high temperatures between 73.9°F (23.3°C) and 80.2°F (26.8°C). Daylight is at its peak, extending from 15.2 hours in June to 14.9 hours by August. The rainfall is consistent, fluctuating marginally from 2.83" (72mm) to 2.99" (76mm), while wind speeds diminish to 5.8mph (9.3km/h) and 5.2mph (8.4km/h) in July demonstrating calmer days.

Autumn weather in Great Barrington

Beginning in September, autumn showcases a wide range of weather variables. The falling temperatures gradually descend to 42.8°F (6°C) from their September calculation of 70.9°F (21.6°C). Rainfall is marked deeply in October with 3.03" (77mm) recorded. The shortening daylight from 12.5 hours in September to 9.8 hours by November, coupled with cooling winds hastening from 5.6mph (9km/h) to 7.5mph (12.1km/h), signals the oncoming winter.

Winter weather in Great Barrington

Winter in Great Barrington, spreading from December through February, girdles itself with cold temperatures hovering from 17.1°F (-8.3°C) to 32.4°F (0.2°C). Profuse snowfall is the distinctive character of these months, oscillating from 5.55" (141mm) to 6.89" (175mm). Daylight tapers to 9.2 hours, whilst the UV index drops to 1, and cold winds rushing at 8mph (12.9km/h) to 9mph (14.5km/h) altogether paint a stark winter scenario.

Weather in January

January is the heart of winter for Great Barrington, Massachusetts. The city experiences typical New England winter weather with cold temperatures and significant snowfall. Maximum temperatures do not exceed 29.1°F (-1.6°C) and a potential 5.83" (148mm) of snow is forecasted. Weather in January »

Weather in February

As the calendar flips to February, the weather in Great Barrington does not change much from January. The winter continues with slightly rise in temperatures but maintains the snowy weather. The snowfall is at its peak at 6.89" (175mm). Weather in February »

Weather in March

The transition from winter to spring starts in March, giving rise to fluctuating temperatures and weather conditions in Great Barrington. The most noticeable change is the decrease in snowfall to 5.79" (147mm) and increase in daily sunshine hours. Weather in March »

Weather in April

April brings more clear signs of spring to Great Barrington. The increase in temperature is noticeable with longer daylight hours, more sunshine, and reduced snowfall. The city experiences considerable rainfall during this month of 2.64" (67mm) to help the newly budding flowers. Weather in April »

Weather in May

May is typically characterized by warmer weather and blooming flowers in Great Barrington. Rainfall continues to nourish the blossoming flora leading to a vibrant natural display across the city. The locale comes alive with outdoor activities being a center of attraction. Weather in May »

Weather in June

June welcomes the start of summer in Great Barrington with a marked increase in temperatures. Residents enjoy the longest days of the year with up to 15.2 hours of daylight. The wildlife is bustling and the greenery is lush, making it perfect for outdoor exploration and recreational activities. Weather in June »

Weather in July

In the peak of summer, July is usually the hottest month for Great Barrington with temperatures reaching up to 80.2°F (26.8°C). This is a time of outdoor activities, family picnics, and sunny afternoons by the river. Despite the heat, the city provides a quaint summer retreat with its green hills and freshwater bodies. Weather in July »

Weather in August

As summer progresses, August in Great Barrington continues to experience warm weather with a slight decrease in temperatures compared to July. The city basks in long hours of sunlight with a pleasant atmosphere. It’s a time of harvest and you can find the freshest fruits and vegetables in the local markets. Weather in August »

Weather in September

September marks the arrival of fall in Great Barrington, coupling slightly cooler temperatures with a spectacular change in foliage. The transformation from green landscapes into vivid hues of red, yellow, and orange is breathtaking. Weather in September »

Weather in October

October weather in Great Barrington is notably distinct with vibrant fall foliage at its peak. There is an increase in rainfall to 3.03" (77mm), enhancing the city's countryside appeal. This attracts numerous visitors who come to bask in the beautiful fall scenery. Weather in October »

Weather in November

November in Great Barrington marks the transition from fall to winter. The temperatures drop significantly and the city experiences more rainfall. The trees shed their leaves, preparing for the winter, leaving the streets blanketed with a rich tapestry of fall colors. Weather in November »

Weather in December

With the arrival of December, winter returns in full swing to Great Barrington. The city experiences chilly temperatures and increased snowfall of 5.55" (141mm). The festive spirit is palpable with Christmas markets and holiday decorations adorning the city. Weather in December »
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Frequently asked questions

What part of the year is the coldest in Great Barrington?

January, marked by an average high-temperature of 29.1°F (-1.6°C) and a low-temperature of 17.1°F (-8.3°C), is the coldest month in Great Barrington, Massachusetts.

What is the driest month in Great Barrington?

January is the month with the least rainfall. Rain falls for 8.2 days and accumulates 2.13" (54mm) of precipitation.

How much does it rain in Great Barrington?

Throughout the year, there are 157.8 rainfall days, and 31.69" (805mm) of precipitation is accumulated.

When does it snow in Great Barrington?

Months with snowfall are January through May, October through December.

How much does it snow in Great Barrington?

Throughout the year, in Great Barrington, there are 55.3 snowfall days, and 29.17" (741mm) of snow is accumulated.

What is the most humid month in Great Barrington?

The most humid month in Great Barrington is February, with an average relative humidity of 84%.

When does it snow the most in Great Barrington?

The month with the most snowfall is February, when snow falls for 13.2 days and typically aggregates up to 6.89" (175mm) of snow.

What is the month with the least sunshine in Great Barrington?

The month with the least sunshine in Great Barrington, Massachusetts, is February, with an average of 3.9h of sunshine.

When is Daylight Saving Time (DST) in Great Barrington?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Great Barrington, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Great Barrington?

April is the least humid month in Great Barrington, Massachusetts, with an average relative humidity of 75%.

When is the highest UV index in Great Barrington?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

When it does not snow in Great Barrington?

In Great Barrington, Massachusetts, snow does not fall in June through September.

When are the longest days in Great Barrington?

The month with the longest days in Great Barrington, Massachusetts, is June, with an average of 15h and 12min of daylight.

What is the warmest month in Great Barrington?

In Great Barrington, Massachusetts, the average temperatures in July are the highest, with a peak at 80.2°F (26.8°C) and a low of 59.4°F (15.2°C).

What are the months with the most sunshine in Great Barrington?

July and August, with an average of 10h of sunshine, are months with the most sunshine in Great Barrington, Massachusetts.

What is the wettest month in Great Barrington?

October is the month with the most rainfall in Great Barrington, Massachusetts. Rain falls for 14.2 days and accumulates 3.03" (77mm) of precipitation.

What is the month with the shortest days in Great Barrington?

December has the shortest days of the year in Great Barrington, Massachusetts, with an average of 9h and 12min of daylight.

When is the lowest UV index in Great Barrington?

With an average maximum UV index of 1, December is the month with the lowest UV index.

Average temperature
Great Barrington, MA

Average temperature - Great Barrington, MA

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.1°F).

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure
Great Barrington, MA

Average pressure - Great Barrington, MA

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Great Barrington, MA

Average wind speed - Great Barrington, MA

The windiest months (with the highest average wind speed) are January and March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity
Great Barrington, MA

Average humidity - Great Barrington, MA

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (75%).

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Average rainfall
Great Barrington, MA

Average rainfall - Great Barrington, MA

The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is January (2.13").

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Average rainfall days
Great Barrington, MA

Average rainfall days - Great Barrington, MA

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall
Great Barrington, MA

Average snowfall - Great Barrington, MA

The month with the highest snowfall is February (6.89").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Great Barrington, MA

Average snowfall days - Great Barrington, MA

The month with the highest number of snowfall days is February (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Great Barrington, MA

Average daylight / Average sunshine - Great Barrington, MA

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

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Average sunshine days
Great Barrington, MA

Average sunshine days - Great Barrington, MA

The months with the most sunshine days are September and November (15.5 days).
The month with the least sunshine days is February (11.1 days).

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Average visibility
Great Barrington, MA

Average visibility - Great Barrington, MA

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

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Great Barrington, Massachusetts, USA

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