Climate and monthly weather forecastMill River, MA
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Mill River, Massachusetts, with temperature in the range of an average low of 17.1°F (-8.3°C) and an average high of 29.1°F (-1.6°C). Mill River's temperature records reveal January as the coldest month, marked by average highs of 29.1°F (-1.6°C) and lows of 17.1°F (-8.3°C). Weather in January »Weather in February
The last month of the winter, February, is a wintry month in Mill River, Massachusetts, with an average temperature fluctuating between 32.4°F (0.2°C) and 18°F (-7.8°C). Mill River's weather, upon February's arrival, documents an average high-temperature of an icy 32.4°F (0.2°C), nearly identical to the prior month. Weather in February »Weather in March
The first month of the spring, March, is also an icy month in Mill River, Massachusetts, with an average temperature varying between 40.6°F (4.8°C) and 25.5°F (-3.6°C). The onset of March introduces a subtle rise in the average high-temperature, nudging from a cold 32.4°F (0.2°C) in February to a still icy 40.6°F (4.8°C). Weather in March »Weather in April
April is a cool spring month in Mill River, Massachusetts, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 36°F (2.2°C). With the onset of April, Mill River experiences a temperature shift, with the average high-temperature moving from an icy 40.6°F (4.8°C) in March to a cool 54.1°F (12.3°C). Weather in April »Weather in May
May, the last month of the spring in Mill River, is a refreshing month, with an average temperature varying between 66.7°F (19.3°C) and 46.8°F (8.2°C). The rise of average high-temperatures is seen in May, with an increase from a cool 54.1°F (12.3°C) in April to a comfortable 66.7°F (19.3°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Mill River, Massachusetts, with an average temperature ranging between max 73.9°F (23.3°C) and min 53.2°F (11.8°C). Observing a slight rise in June, the average high-temperature shifts from May's refreshing 66.7°F (19.3°C) to a warm 73.9°F (23.3°C). Weather in June »Weather in July
July, like June, in Mill River, Massachusetts, is another warm summer month, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 59.4°F (15.2°C). In Mill River, temperatures reach their average annual highs in July, measuring 80.2°F (26.8°C) and a minimum average of 59.4°F (15.2°C). Weather in July »Weather in August
August, the last month of the summer in Mill River, is another warm month, with an average temperature varying between 57.7°F (14.3°C) and 78.4°F (25.8°C). Mill River's average high-temperature in August sits at a still warm 78.4°F (25.8°C), showing little difference from the previous month. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Mill River, Massachusetts, with an average temperature ranging between max 70.9°F (21.6°C) and min 51.3°F (10.7°C). With September's onset, the weather reveals a slight temperature decrease, transitioning from a warm 78.4°F (25.8°C) in August to a pleasant 70.9°F (21.6°C). Weather in September »Weather in October
October, the same as September, in Mill River, Massachusetts, is another refreshing autumn month, with an average temperature fluctuating between 42.8°F (6°C) and 57.7°F (14.3°C). The shift to October brings a decrease in the average high-temperature, falling from an agreeable 70.9°F (21.6°C) in September to a refreshing 57.7°F (14.3°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Mill River, Massachusetts, with an average temperature varying between 31.6°F (-0.2°C) and 45.5°F (7.5°C). The shift from October to November corresponds with a decrease in the average high-temperature, down to a frosty 45.5°F (7.5°C) from a mild 57.7°F (14.3°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Mill River, Massachusetts, with an average temperature fluctuating between 23.9°F (-4.5°C) and 34.9°F (1.6°C). The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a frosty 45.5°F (7.5°C) in November to a wintry 34.9°F (1.6°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Mill River, MA
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.1°F).
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure
Mill River, MA
- Average pressure in January:
30.04"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30"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:
30.09"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Mill River, MA
- Average wind speed in January:
8.4mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.4mph - Average wind speed in April:
8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.9mph - Average wind speed in November:
7.5mph - Average wind speed in December:
8mph
The windiest months (with the highest average wind speed) are January and March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity
Mill River, MA
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Mill River, MA
- Average rainfall in January:
2.13" - Average rainfall in February:
2.2" - Average rainfall in March:
2.44" - Average rainfall in April:
2.64" - Average rainfall in May:
2.91" - Average rainfall in June:
2.83"
- Average rainfall in July:
2.99" - Average rainfall in August:
2.64" - Average rainfall in September:
2.24" - Average rainfall in October:
3.03" - Average rainfall in November:
2.76" - Average rainfall in December:
2.87"
The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days
Mill River, MA
- Average rainfall days in January:
8.2 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
16.6 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
16.1 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
10.4 days - Average rainfall days in December:
11.2 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (8.2 days).
Average snowfall
Mill River, MA
- Average snowfall in January:
5.83" - Average snowfall in February:
6.89" - Average snowfall in March:
5.79" - Average snowfall in April:
1.34" - Average snowfall in May:
0.39" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.89").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Mill River, MA
- Average snowfall days in January:
12.2 days - Average snowfall days in February:
13.2 days - Average snowfall days in March:
10.5 days - Average snowfall days in April:
3 days - Average snowfall days in May:
0.5 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:
1.1 days - Average snowfall days in November:
4.8 days - Average snowfall days in December:
10 days
The month with the highest number of snowfall days is February (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Mill River, 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:
4h and 18min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 30min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days
Mill River, MA
- Average sunshine days in January:
14.5 days - Average sunshine days in February:
11.1 days - Average sunshine days in March:
12 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
12.2 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
13 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
13.4 days
The months with the most sunshine days are September and November (15.5 days).
The month with the least sunshine days is February (11.1 days).
Average UV index
Mill River, MA
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Mill River, MA
The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility
Mill River, MA
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).





