Climate and monthly weather forecastSterling, MA
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Sterling, Massachusetts, with an average temperature ranging between min 19.8°F (-6.8°C) and max 31.5°F (-0.3°C). With an average high-temperature of 31.5°F (-0.3°C) and an average low-temperature of 19.8°F (-6.8°C), January is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a cold month in Sterling, Massachusetts, with an average temperature fluctuating between 34.7°F (1.5°C) and 20.1°F (-6.6°C). With the transition into February, Sterling notes an average high-temperature of a wintry 34.7°F (1.5°C), closely resembling January. Weather in February »Weather in March
The first month of the spring, March, is still a cold month in Sterling, Massachusetts, with an average temperature fluctuating between 42.4°F (5.8°C) and 27.9°F (-2.3°C). Sterling's transition into March brings a slight rise in the average high-temperature, moving from 34.7°F (1.5°C) in February to a still cold 42.4°F (5.8°C). Weather in March »Weather in April
April in Sterling, Massachusetts, is a refreshing spring month, with an average temperature ranging between min 38.1°F (3.4°C) and max 55.6°F (13.1°C). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a wintry 42.4°F (5.8°C) to a moderate 55.6°F (13.1°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Sterling, Massachusetts, with an average temperature fluctuating between 47.8°F (8.8°C) and 67.5°F (19.7°C). May's onset brings a rise in the average high-temperature, moving from a refreshing 55.6°F (13.1°C) in April to a comfortable 67.5°F (19.7°C). Weather in May »Weather in June
June, the first month of the summer in Sterling, is a moderately hot month, with an average temperature varying between 55.4°F (13°C) and 75.2°F (24°C). With the onset of June, Sterling's weather sees a minor temperature rise, transitioning from a refreshing 67.5°F (19.7°C) in May to a warm 75.2°F (24°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Sterling, Massachusetts, with an average temperature varying between 81.9°F (27.7°C) and 62.2°F (16.8°C). Sterling's July weather reaches an average high of 81.9°F (27.7°C) and an average low of 62.2°F (16.8°C), making it the warmest month. July's heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Sterling, Massachusetts, with an average temperature varying between 60.4°F (15.8°C) and 80.1°F (26.7°C). With the start of August, Sterling measures an average high-temperature of a still warm 80.1°F (26.7°C), not significantly differing from July's 81.9°F (27.7°C). Weather in August »Weather in September
September, the first month of the autumn in Sterling, is still a pleasant month, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 54°F (12.2°C). During the shift to September, a minor reduction in average high-temperature is observed, shifting from a warm 80.1°F (26.7°C) in August to a pleasant 72.5°F (22.5°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Sterling, Massachusetts, with an average temperature fluctuating between 45°F (7.2°C) and 59.7°F (15.4°C). In October, the average high-temperature decreases from an agreeable 72.5°F (22.5°C) in September to a mild 59.7°F (15.4°C). Weather in October »Weather in November
November, the last month of the autumn in Sterling, is also a frosty month, with an average temperature fluctuating between 47.3°F (8.5°C) and 34.3°F (1.3°C). The shift from October to November involves a decrease in the average high-temperature, from a refreshing 59.7°F (15.4°C) to a frosty 47.3°F (8.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Sterling, Massachusetts, with temperature in the range of an average high of 37.4°F (3°C) and an average low of 26.6°F (-3°C). As November transitions into December, Sterling sees a drop in the average high-temperature, transitioning from a frosty 47.3°F (8.5°C) to a cold 37.4°F (3°C). Weather in December »Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The month of January sees the average lowest temperatures, reaching 31.5°F (-0.3°C) at the peak and 19.8°F (-6.8°C) at the low.
In Sterling, during the entire year, the rain falls for 150.4 days and collects up to 28.86" (733mm) of precipitation.
Months with snowfall are January through May, October through December.
Throughout the year, there are 36.5 snowfall days, and 23.82" (605mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The most humid month is February, with an average relative humidity of 81%.
The month with the most snowfall is February, when snow falls for 9.4 days and typically aggregates up to 6.1" (155mm) of snow.
The month with the least sunshine is February, with an average of 4.6h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
The least humid month is April, with an average relative humidity of 71%.
In Sterling, snow does not fall in June through September.
With an average of 15h and 12min of daylight, June has the longest days of the year.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
The warmest period in Sterling, Massachusetts, is July, when temperatures fluctuate between an average high of 81.9°F (27.7°C) and a low of 62.2°F (16.8°C).
With an average of 10.2h of sunshine, August has the most sunshine of the year in Sterling.
The month with the least rainfall is September, when the rain falls for 12.3 days and typically collects 1.57" (40mm) of precipitation.
The month with the most rainfall is December, when the rain falls for 10.7 days and typically aggregates up to 2.91" (74mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
Sterling, MA
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (31.5°F).
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure
Sterling, MA
- Average pressure in January:
30.01"Hg - Average pressure in February:
30"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.04"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
Sterling, MA
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8mph - Average wind speed in May:
6.7mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8.2mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Sterling, MA
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Sterling, MA
- Average rainfall in January:
2.24" - Average rainfall in February:
2.2" - Average rainfall in March:
2.6" - Average rainfall in April:
2.64" - Average rainfall in May:
2.2" - Average rainfall in June:
2.44"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.28" - Average rainfall in September:
1.57" - Average rainfall in October:
2.72" - Average rainfall in November:
2.72" - 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
Sterling, MA
- Average rainfall days in January:
8.2 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
16 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
14.5 days - Average rainfall days in November:
10.4 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (7.3 days).
Average snowfall
Sterling, MA
- Average snowfall in January:
4.06" - Average snowfall in February:
6.1" - Average snowfall in March:
5.28" - Average snowfall in April:
1.85" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Sterling, MA
- Average snowfall days in January:
8.7 days - Average snowfall days in February:
9.4 days - Average snowfall days in March:
8 days - Average snowfall days in April:
1.8 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:
2.4 days - Average snowfall days in December:
5.6 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Sterling, 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 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
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 6min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 36min - Average sunshine in March:
5h and 48min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 18min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Sterling, MA
- Average sunshine days in January:
16.5 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
13.2 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
13.9 days - Average sunshine days in November:
17.4 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.8 days).
Average UV index
Sterling, 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
Sterling, MA
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Sterling, MA
The months with the highest visibility are March, April, October, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August and September (5mi).
