Climate and monthly weather forecastGreat Barrington, MA

Climate and monthly weather forecast
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 »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure
Great Barrington, MA
- Average pressure in January:
30.04"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Great Barrington, MA
- Average wind speed in January:
8.4mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.4mph - Average wind speed in April:
8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.9mph - Average wind speed in November:
7.5mph - Average wind speed in December:
8mph
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).
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%).
Average rainfall
Great Barrington, MA
- Average rainfall in January:
2.13" - Average rainfall in February:
2.2" - Average rainfall in March:
2.44" - Average rainfall in April:
2.64" - Average rainfall in May:
2.91" - Average rainfall in June:
2.83"
- Average rainfall in July:
2.99" - Average rainfall in August:
2.64" - Average rainfall in September:
2.24" - Average rainfall in October:
3.03" - Average rainfall in November:
2.76" - Average rainfall in December:
2.87"
The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days
Great Barrington, MA
- Average rainfall days in January:
8.2 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
16.6 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
16.1 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
10.4 days - Average rainfall days in December:
11.2 days
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).
Average snowfall
Great Barrington, MA
- Average snowfall in January:
5.83" - Average snowfall in February:
6.89" - Average snowfall in March:
5.79" - Average snowfall in April:
1.34" - Average snowfall in May:
0.39" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.89").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Great Barrington, MA
- Average snowfall days in January:
12.2 days - Average snowfall days in February:
13.2 days - Average snowfall days in March:
10.5 days - Average snowfall days in April:
3 days - Average snowfall days in May:
0.5 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.1 days - Average snowfall days in November:
4.8 days - Average snowfall days in December:
10 days
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).
Average daylight / Average sunshine
Great Barrington, MA
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
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).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 30min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 18min
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).
Average sunshine days
Great Barrington, MA
- Average sunshine days in January:
14.5 days - Average sunshine days in February:
11.1 days - Average sunshine days in March:
12 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
12.2 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
13 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
13.4 days
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).
Average UV index
Great Barrington, MA
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Great Barrington, MA
The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 37).
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).





