May weather forecastAshburnham, MA
May
Weather in May
The last month of the spring, May, is an enjoyable month in Ashburnham, Massachusetts, with an average temperature fluctuating between 65.7°F (18.7°C) and 46°F (7.8°C).Temperature
With the arrival of May, the average high-temperature transitions from a fresh 53.2°F (11.8°C) in April to a comfortable 65.7°F (18.7°C). In May, the temperature drops to an average of 46°F (7.8°C) at night.Humidity
In Ashburnham, the average relative humidity in May is 75%.Rainfall
In Ashburnham, in May, during 15.4 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Ashburnham, during the entire year, the rain falls for 143.2 days and collects up to 28.7" (729mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Ashburnham aggregates 0.39" (10mm) of snow. In Ashburnham, during the entire year, snow falls for 47.7 days and aggregates up to 31.93" (811mm) of snow.Daylight
In Ashburnham, the average length of the day in May is 14h and 38min.On the first day of the month, sunrise is at 5:41 am and sunset at 7:48 pm. On the last day of May, sunrise is at 5:12 am and sunset at 8:18 pm EDT.
Sunshine
In Ashburnham, Massachusetts, the average sunshine in May is 8h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In May, the UV index of 5 transforms into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ashburnham, MA
- Average high temperature in May: 65.7°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 (28.8°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in May
Ashburnham, MA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Ashburnham, MA
- Average wind speed in May: 6.6mph
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 (5.4mph).
Average humidity in May
Ashburnham, MA
- Average humidity in May: 75%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (74%).
Average rainfall in May
Ashburnham, MA
- Average rainfall in May: 2.32"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Ashburnham, MA
- Average rainfall days in May: 15.4 days
The months with the highest number of rainy days are May and June (15.4 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in May
Ashburnham, MA
- Average snowfall in May: 0.39"
The month with the highest snowfall is February (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Ashburnham, MA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Ashburnham, 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 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in May
Ashburnham, MA
- Average sunshine days in May: 13.4 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in May
Ashburnham, MA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Ashburnham, MA
- Average cloud cover in May: 50
The months with the most cloud cover are February and March (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in May
Ashburnham, 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).





