May weather forecast and climate
Great Barrington, MA

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

Weather in May

The last month of the spring, May, is a comfortable month in Great Barrington, Massachusetts, with average temperature ranging between min 46.8°F (8.2°C) and max 66.7°F (19.3°C).

Temperature

In May, the average high-temperature rises, from a fresh 54.1°F (12.3°C) in April, to a comfortable 66.7°F (19.3°C). The average low-temperature, in Great Barrington, is 46.8°F (8.2°C).

Humidity

In May, the average relative humidity is 77%.

Rainfall

In Great Barrington, during 16.6 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, there are 157.8 rainfall days, and 31.69" (805mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Great Barrington, Massachusetts, are January through May, October through December. May is the last month it regularly snows in Great Barrington. During 0.5 snowfall days, Great Barrington aggregates 0.39" (10mm) of snow. In Great Barrington, during the entire year, snow falls for 55.3 days, and aggregates up to 29.17" (741mm) of snow.

Daylight

In May, the average length of the day in Great Barrington is 14.6h.

Sunshine

In Great Barrington, Massachusetts, the average sunshine is 8.3h.

UV index

Months with the highest UV index in Great Barrington are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Great Barrington?

In Great Barrington, the average relative humidity in May is 77%.

How many days does it rain in May in Great Barrington?

In May, the rain falls for 16.6 days. Throughout May, 2.91" (74mm) of precipitation is accumulated.

What is the last month it snows in Great Barrington?

May is the last month it regularly snows in Great Barrington. During 0.5 snowfall days, in May, Great Barrington aggregates 0.39" (10mm) of snow.

How many hours of daylight does Great Barrington have in May?

In May, the average length of the day in Great Barrington is 14.6h.

How long on average sun shines in May in Great Barrington?

The average sunshine in May in Great Barrington, Massachusetts, is 8.3h.

What are the months with the highest UV index in Great Barrington?

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

How high is the UV index in May in Great Barrington?

In Great Barrington, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in May
Great Barrington, MA

Average temperature in May - Great Barrington, MA
  • Average high temperature in May: 66.7°F

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).

  • Average low temperature in May: 46.8°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 in May
Great Barrington, MA

Average pressure in May - Great Barrington, MA
  • Average pressure in May: 30"

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

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Average wind speed in May
Great Barrington, MA

Average wind speed in May - Great Barrington, MA
  • Average wind speed in May: 6.5mph

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 in May
Great Barrington, MA

Average humidity in May - Great Barrington, MA
  • Average humidity in May: 77%

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 in May
Great Barrington, MA

Average rainfall in May - Great Barrington, MA
  • Average rainfall in May: 2.91"

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 in May
Great Barrington, MA

Average rainfall days in May - Great Barrington, MA
  • Average rainfall days in May: 16.6 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).

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Average snowfall in May
Great Barrington, MA

Average snowfall in May - Great Barrington, MA
  • Average snowfall in May: 0.39"

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

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Average snowfall days in May
Great Barrington, MA

Average snowfall days in May - Great Barrington, MA
  • Average snowfall days in May: 0.5 days

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

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Average daylight in May /
Average sunshine in May
Great Barrington, MA

Average daylight in May / Average sunshine in May - Great Barrington, MA
  • Average daylight in May: 14.6h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in May: 8.3h

Months with the most sunshine are July and August (Average sunshine: 10h).
The month with the least sunshine is February (Average sunshine: 3.9h).

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Average sunshine days in May
Great Barrington, MA

Average sunshine days in May - Great Barrington, MA
  • Average sunshine days in May: 12.2 days

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 UV index in May
Great Barrington, MA

Average UV index in May - Great Barrington, MA
  • Average UV index in May: 5

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).

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Average cloud cover in May
Great Barrington, MA

Average cloud cover in May - Great Barrington, MA
  • Average cloud cover in May: 49

The month with the most cloud cover is February (Cloud cover 57).
Months with the least cloud cover are July and August (Cloud cover 37).

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Average visibility in May
Great Barrington, MA

Average visibility in May - Great Barrington, MA
  • Average visibility in May: 5mi

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

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