Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The arrival of May signals an increase in the average high-temperature, moving from a refreshing 56.1°F (13.4°C) in April to a pleasant 68.7°F (20.4°C). In Three Rivers, the average temperature during the nights of May drops to a frosty 48.4°F (9.1°C).Humidity
In May, the average relative humidity in Three Rivers is 74%.Rainfall
In Three Rivers, during May, the rain falls for 15.8 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Three Rivers, during the entire year, the rain falls for 152.1 days and collects up to 29.37" (746mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Three Rivers. During 0.1 snowfall days, in May, Three Rivers aggregates 0.24" (6mm) of snow. Throughout the year, there are 33.4 snowfall days, and 18.43" (468mm) of snow is accumulated.Daylight
In Three Rivers, the average length of the day in May is 14h and 36min.On the first day of the month, sunrise is at 5:43 am and sunset at 7:49 pm. On the last day of May, in Three Rivers, Massachusetts, sunrise is at 5:15 am and sunset at 8:18 pm EDT.
Sunshine
In Three Rivers, Massachusetts, the average sunshine in May is 8.5h.UV index
In Three Rivers, Massachusetts, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Guard yourself - Avoiding sunburn is suggested. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What is the temperature in May in Three Rivers?
What is the average humidity in May in Three Rivers?
How much does it rain in Three Rivers in May?
What is the last month it snows in Three Rivers?
How many hours of daylight does Three Rivers have in May?
What time are sunrise and sunset in May in Three Rivers?
How many hours of sunshine does Three Rivers have in May?
How high is the UV index in May in Three Rivers?
Average temperature in May
Three Rivers, MA
- Average high temperature in May: 68.7°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in May: 48.4°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in May
Three Rivers, MA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Three Rivers, MA
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Three Rivers, MA
- Average humidity in May: 74%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall in May
Three Rivers, MA
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in May
Three Rivers, MA
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in May
Three Rivers, MA
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Three Rivers, MA
- Average snowfall days in May: 0.1 days
The months with the highest number of snowfall days are January and February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Three Rivers, MA
- Average daylight in May: 14h and 4min
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 May: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Three Rivers, MA
- Average sunshine days in May: 13 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in May
Three Rivers, MA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Three Rivers, MA
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Three Rivers, MA
- Average visibility in May: 5mi
The months with the highest visibility are April, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August and September (5mi).
Three Rivers, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location
