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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a freezing cold winter month in Sterling, Massachusetts, with an average temperature fluctuating between 31.5°F (-0.3°C) and 19.8°F (-6.8°C). Sterling's coldest month, January, registers temperatures that range from a high of 31.5°F (-0.3°C) to a low of 19.8°F (-6.8°C). Weather in January »
Weather in February
The last month of the winter, February, is an icy month in Sterling, Massachusetts, with an average temperature varying between 34.7°F (1.5°C) and 20.1°F (-6.6°C). Sterling experiences an average high-temperature of a cold 34.7°F (1.5°C) in February, subtly different from January's 31.5°F (-0.3°C). Weather in February »
Weather in March
The first month of the spring, March, is also a wintry month in Sterling, Massachusetts, with temperature in the range of an average high of 42.4°F (5.8°C) and an average low of 27.9°F (-2.3°C). March's onset brings a subtle temperature rise, moving from a cold 34.7°F (1.5°C) in February to a still wintry 42.4°F (5.8°C). Weather in March »
Weather in April
April in Sterling, Massachusetts, is a mild spring month, with an average temperature varying between 55.6°F (13.1°C) and 38.1°F (3.4°C). The shift into April brings an increase in the average high-temperature, moving from an icy 42.4°F (5.8°C) in March to a mild 55.6°F (13.1°C). Weather in April »
Weather in May
May, the last month of the spring in Sterling, is an enjoyable month, with an average temperature fluctuating between 47.8°F (8.8°C) and 67.5°F (19.7°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's moderate 55.6°F (13.1°C) to a still refreshing 67.5°F (19.7°C). Weather in May »
Weather in June
June, the first month of the summer in Sterling, is a warm month, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 55.4°F (13°C). Observing a slight rise in June, the average high-temperature shifts from May's comfortable 67.5°F (19.7°C) to a moderately hot 75.2°F (24°C). Weather in June »
Weather in July
July, like June, in Sterling, Massachusetts, is another warm summer month, with an average temperature ranging between min 62.2°F (16.8°C) and max 81.9°F (27.7°C). July, with its average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 62.2°F (16.8°C), holds the record as the warmest month. In July, the average heat index is evaluated at a hot 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 temperature in the range of an average high of 80.1°F (26.7°C) and an average low of 60.4°F (15.8°C). August reports an average high-temperature of a still moderately hot 80.1°F (26.7°C), slightly varied 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 also an agreeable month, with an average temperature varying between 54°F (12.2°C) and 72.5°F (22.5°C). September ushers in a minor alteration in Sterling's climate, with the average high-temperature moving from August's moderately hot 80.1°F (26.7°C) to a pleasant 72.5°F (22.5°C). Weather in September »
Weather in October
October, the same as September, in Sterling, Massachusetts, is another mild autumn month, with temperature in the range of an average high of 59.7°F (15.4°C) and an average low of 45°F (7.2°C). The average high-temperature drops in October, from September's agreeable 72.5°F (22.5°C) to a moderate 59.7°F (15.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Sterling, Massachusetts, with an average temperature ranging between min 34.3°F (1.3°C) and max 47.3°F (8.5°C). November suggests a modest reduction in the average high-temperature, shifting from a refreshing 59.7°F (15.4°C) in October to a frosty 47.3°F (8.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Sterling, Massachusetts, with an average temperature fluctuating between 37.4°F (3°C) and 26.6°F (-3°C). The onset of December introduces a moderate change in Sterling's weather, with average high-temperatures falling from November's frosty 47.3°F (8.5°C) to an icy 37.4°F (3°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Sterling?
In Sterling, the lowest temperatures are generally noted in January, averaging a high of 31.5°F (-0.3°C) and a low of 19.8°F (-6.8°C).
How many days does it rain in Sterling?
Throughout the year, there are 150.4 rainfall days, and 28.86" (733mm) of precipitation is accumulated.
When does it snow in Sterling?
Months with snowfall in Sterling are January through May, October through December.
How many days does it snow in Sterling?
In Sterling, Massachusetts, during the entire year, snow falls for 36.5 days and aggregates up to 23.82" (605mm) of snow.
What is the month with the lowest UV index in Sterling?
The months with the lowest UV index in Sterling, Massachusetts, are January through March, November and December, with an average maximum UV index of 2.
What is the most humid month in Sterling?
With an average relative humidity of 81%, February is the most humid month in Sterling.
When does it snow the most in Sterling?
The month with the most snowfall in Sterling is February, when snow falls for 9.4 days and typically aggregates up to 6.1" (155mm) of snow.
What is the month with the least sunshine in Sterling?
February has the least sunshine of the year, with an average of 4.6h of sunshine.
When is Daylight Saving Time (DST) in Sterling?
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.
What is the least humid month in Sterling?
April is the least humid month, with an average relative humidity of 71%.
When it does not snow in Sterling?
In Sterling, Massachusetts, snow does not fall in June through September.
When are the longest days in Sterling?
June has the longest days of the year in Sterling, with an average of 15h and 12min of daylight.
When is the highest UV index in Sterling?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Sterling.
What is the hottest time of year in Sterling?
The month of July sees the average highest temperatures, reaching 81.9°F (27.7°C) at the peak and 62.2°F (16.8°C) at the low.
What month has the most sunshine in Sterling?
August has the most sunshine of the year, with an average of 10.2h of sunshine.
What is the driest month in Sterling?
September is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.57" (40mm) of precipitation.
What is the rainiest month in Sterling?
The month with the most rainfall in Sterling is December, when the rain falls for 10.7 days and typically aggregates up to 2.91" (74mm) of precipitation.
What is the month with the shortest days in Sterling?
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 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
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).
Sterling, Massachusetts, USA
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