May weather forecast
Colrain, MA

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Weather in May

May, the last month of the spring in Colrain, is an enjoyable month, with temperature in the range of an average high of 66°F (18.9°C) and an average low of 45.7°F (7.6°C).

Temperature

With the onset of May, Colrain sees a temperature rise, with the average high-temperature moving from April's cool 53.1°F (11.7°C) to an enjoyable 66°F (18.9°C). In May, Colrain encounters an average low-temperature of 45.7°F (7.6°C) during the night.

Humidity

In Colrain, the average relative humidity in May is 76%.

Rainfall

In Colrain, during May, the rain falls for 16.3 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 158.5 rainfall days, and 31.38" (797mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Colrain. During 0.2 snowfall days, in May, Colrain aggregates 0.24" (6mm) of snow. In Colrain, during the entire year, snow falls for 47.9 days and aggregates up to 28.35" (720mm) of snow.

Daylight

The average length of the day in May in Colrain, Massachusetts, is 14h and 38min.
On the first day of May in Colrain, sunrise is at 5:44 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:21 pm EDT.

Sunshine

In Colrain, the average sunshine in May is 8.4h.

UV index

The months with the highest UV index in Colrain 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 unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. When the Sun is at its strongest around midday, find shade and limit exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What is the average May temperature in Colrain?

In Colrain, in May, the average high-temperature is 66°F (18.9°C), and the average low-temperature is 45.7°F (7.6°C).

What is the average humidity in May in Colrain?

In Colrain, Massachusetts, the average relative humidity in May is 76%.

How many days does it rain in May in Colrain?

In Colrain, in May, it is raining for 16.3 days, with typically 2.68" (68mm) of accumulated precipitation.

What is the last month it snows in Colrain?

May is the last month it regularly snows in Colrain, Massachusetts. During 0.2 snowfall days, in May, Colrain aggregates 0.24" (6mm) of snow.

What is the average length of the day in May in Colrain?

The average day length in May in Colrain, Massachusetts, is 14h and 38min.

When are sunrise and sunset in May in Colrain?

On the first day of May, sunrise is at 5:44 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:21 pm EDT.

How many hours of sunshine does Colrain have in May?

In May, the average sunshine duration in Colrain, Massachusetts, is 8.4h.

When is the highest UV index in Colrain?

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

What is the UV index reading in May in Colrain?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Colrain, MA

Average temperature in May - Colrain, MA
  • Average high temperature in May: 66°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in May: 45.7°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in May
Colrain, MA

Average pressure in May - Colrain, MA
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Colrain, MA

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

The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in May
Colrain, MA

Average humidity in May - Colrain, MA
  • Average humidity in May: 76%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in May
Colrain, MA

Average rainfall in May - Colrain, MA
  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (2.17").

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Average rainfall days in May
Colrain, MA

Average rainfall days in May - Colrain, MA
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (9.2 days).

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Average snowfall in May
Colrain, MA

Average snowfall in May - Colrain, MA
  • Average snowfall in May: 0.24"

The month with the highest snowfall is February (8.03").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Colrain, MA

Average snowfall days in May - Colrain, MA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (11.4 days).
The 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
Colrain, MA

Average daylight in May / Average sunshine in May - Colrain, MA
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in May
Colrain, MA

Average sunshine days in May - Colrain, MA
  • Average sunshine days in May: 13 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is June (11.7 days).

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Average UV index in May
Colrain, MA

Average UV index in May - Colrain, MA
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in May
Colrain, MA

Average cloud cover in May - Colrain, MA
  • Average cloud cover in May: 47

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in May
Colrain, MA

Average visibility in May - Colrain, MA
  • Average visibility in May: 5mi

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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Colrain, Massachusetts, USA

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