May weather forecastColrain, MA
May
Weather in May
The last month of the spring, May, is a refreshing month in Colrain, Massachusetts, with an average temperature varying between 66°F (18.9°C) and 45.7°F (7.6°C).Temperature
The commencement of May sees a shift in the average high-temperature, moving from a cool 53.1°F (11.7°C) in April to a refreshing 66°F (18.9°C). Colrain records a mean low-temperature of 45.7°F (7.6°C) in May.Humidity
In May, the average relative humidity is 76%.Rainfall
In Colrain, in May, it is raining for 16.3 days, with typically 2.68" (68mm) of accumulated precipitation. In Colrain, during the entire year, the rain falls for 158.5 days and collects up to 31.38" (797mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Colrain aggregates 0.24" (6mm) of snow. Throughout the year, there are 47.9 snowfall days, and 28.35" (720mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 38min.On the first day of the month, sunrise is at 5:44 am and sunset at 7:51 pm. On the last day of May, in Colrain, sunrise is at 5:15 am and sunset at 8:21 pm EDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in May /
Average sunshine in May
Colrain, MA
- Average daylight in May: 14h and 36min
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 24min
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).
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).
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).
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).
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).





