Climate and monthly weather forecastThree Rivers, MA
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Three Rivers, Massachusetts, with an average temperature varying between 31.6°F (-0.2°C) and 19°F (-7.2°C). Three Rivers experiences its lowest temperatures in January, with an average peak of 31.6°F (-0.2°C) and a low of 19°F (-7.2°C). Weather in January »Weather in February
The last month of the winter, February, is an icy month in Three Rivers, Massachusetts, with an average temperature fluctuating between 19.8°F (-6.8°C) and 34.9°F (1.6°C). The shift into February finds Three Rivers at an average high-temperature of a wintry 34.9°F (1.6°C), closely comparable to January's conditions. Weather in February »Weather in March
March, the first month of the spring in Three Rivers, is a frosty month, with an average temperature fluctuating between 28°F (-2.2°C) and 43°F (6.1°C). With the onset of March, Three Rivers's average high-temperature experiences a slight rise, moving from February's icy 34.9°F (1.6°C) to a frosty 43°F (6.1°C). Weather in March »Weather in April
April is a refreshing spring month in Three Rivers, Massachusetts, with an average temperature fluctuating between 38.1°F (3.4°C) and 56.1°F (13.4°C). April's arrival coincides with a rise in the average high-temperature, moving from March's chilly 43°F (6.1°C) to a mild 56.1°F (13.4°C). Weather in April »Weather in May
May, the last month of the spring in Three Rivers, is an agreeable month, with an average temperature fluctuating between 48.4°F (9.1°C) and 68.7°F (20.4°C). The arrival of May sees a shift in the average high-temperature, moving from a mild 56.1°F (13.4°C) in April to an agreeable 68.7°F (20.4°C). Weather in May »Weather in June
June, the first month of the summer in Three Rivers, is a moderately hot month, with an average temperature fluctuating between 55°F (12.8°C) and 76.1°F (24.5°C). The onset of June marks a slight increase in the average high-temperature, moving from a pleasant 68.7°F (20.4°C) in May to a warm 76.1°F (24.5°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Three Rivers, Massachusetts, with an average temperature ranging between max 82.8°F (28.2°C) and min 62.1°F (16.7°C). July stands out as Three Rivers's warmest month, with temperatures ranging between an average high of 82.8°F (28.2°C) and a low of 62.1°F (16.7°C). The heat index for July is estimated at a tropical 89.6°F (32°C). Weather in July »Weather in August
August, the last month of the summer in Three Rivers, is also a moderately hot month, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 60.3°F (15.7°C). Three Rivers, Massachusetts, marks the start of August with an average high-temperature of a still moderately hot 80.2°F (26.8°C), hinting at a slight fluctuation from July's 82.8°F (28.2°C). Weather in August »Weather in September
September, the first month of the autumn in Three Rivers, is also an agreeable month, with an average temperature ranging between max 73°F (22.8°C) and min 54.1°F (12.3°C). Three Rivers's September weather features a light decline in high-temperatures, reducing from a warm 80.2°F (26.8°C) in August to an agreeable 73°F (22.8°C). Weather in September »Weather in October
October, the same as September, in Three Rivers, Massachusetts, is a moderate autumn month, with an average temperature ranging between min 45°F (7.2°C) and max 60.3°F (15.7°C). Three Rivers observes a minor decrease in the average high-temperature with the arrival of October, falling from September's agreeable 73°F (22.8°C) to a mild 60.3°F (15.7°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Three Rivers, Massachusetts, with an average temperature ranging between min 34.3°F (1.3°C) and max 48°F (8.9°C). The onset of November introduces a moderate change in Three Rivers's weather, with average high-temperatures falling from October's refreshing 60.3°F (15.7°C) to a chilly 48°F (8.9°C). Weather in November »Weather in December
December, the first month of the winter in Three Rivers, is also an icy month, with an average temperature fluctuating between 25.9°F (-3.4°C) and 37.6°F (3.1°C). The arrival of December indicates a decrease in the average high-temperature, moving from a frosty 48°F (8.9°C) in November to a wintry 37.6°F (3.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Three Rivers, MA
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).
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
Three Rivers, MA
- Average pressure in January:
30.03"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.05"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
Three Rivers, MA
- Average wind speed in January:
7.9mph - Average wind speed in February:
7.9mph - Average wind speed in March:
8mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.6mph
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
Three Rivers, MA
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Three Rivers, MA
- Average rainfall in January:
2.17" - Average rainfall in February:
2.13" - Average rainfall in March:
2.4" - Average rainfall in April:
2.6" - Average rainfall in May:
2.52" - Average rainfall in June:
2.64"
- Average rainfall in July:
2.6" - Average rainfall in August:
2.32" - Average rainfall in September:
1.57" - Average rainfall in October:
2.87" - Average rainfall in November:
2.64" - Average rainfall in December:
2.91"
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
Three Rivers, MA
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
14.7 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
13.7 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
10.4 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
Three Rivers, MA
- Average snowfall in January:
3.58" - Average snowfall in February:
5.2" - Average snowfall in March:
3.78" - Average snowfall in April:
0.94" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
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
Three Rivers, MA
- Average snowfall days in January:
8.4 days - Average snowfall days in February:
8.4 days - Average snowfall days in March:
7.7 days - Average snowfall days in April:
1.2 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
2 days - Average snowfall days in December:
5.1 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 / Average sunshine
Three Rivers, MA
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
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 January:
5h and 6min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 48min
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
Three Rivers, MA
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
13 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
13.4 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
14.8 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
16 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
Three Rivers, MA
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
Three Rivers, MA
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
Three Rivers, MA
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).





