Climate and monthly weather forecastSouthborough, MA
Climate and monthly weather forecast
Weather in January
January, like December, in Southborough, Massachusetts, is a wintry winter month, with an average temperature ranging between max 32.5°F (0.3°C) and min 19.8°F (-6.8°C). January is the coldest month of the year, registering average temperatures as high as 32.5°F (0.3°C) and as low as 19.8°F (-6.8°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Southborough, Massachusetts, with an average temperature fluctuating between 35.2°F (1.8°C) and 20.7°F (-6.3°C). Southborough registers an average high-temperature of a still wintry 35.2°F (1.8°C) at the commencement of February, closely related to the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Southborough, Massachusetts, with an average temperature ranging between min 28.8°F (-1.8°C) and max 43°F (6.1°C). March's arrival signals a modest temperature shift, moving from an icy 35.2°F (1.8°C) in February to a chilly 43°F (6.1°C). Weather in March »Weather in April
April is a refreshing spring month in Southborough, Massachusetts, with an average temperature ranging between max 55.9°F (13.3°C) and min 39°F (3.9°C). April marks a rise in the average high-temperature, moving from March's frosty 43°F (6.1°C) to a moderate 55.9°F (13.3°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Southborough, Massachusetts, with an average temperature fluctuating between 48.7°F (9.3°C) and 67.5°F (19.7°C). May's arrival coincides with a temperature rise, moving from April's mild 55.9°F (13.3°C) to a still refreshing 67.5°F (19.7°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Southborough, Massachusetts, with an average temperature varying between 55.9°F (13.3°C) and 75.2°F (24°C). As May transitions into June, Southborough notices a gentle rise in the average high-temperature, transitioning from a comfortable 67.5°F (19.7°C) to a warm 75.2°F (24°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Southborough, Massachusetts, with an average temperature ranging between min 63°F (17.2°C) and max 82°F (27.8°C). July, recording an average high temperature of 82°F (27.8°C) and a low temperature of 63°F (17.2°C), is Southborough's warmest month. In July, the 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 Southborough, Massachusetts, with an average temperature varying between 61.7°F (16.5°C) and 80.4°F (26.9°C). Southborough's shift into August is marked by a subtle change to a still moderately hot 80.4°F (26.9°C) from July's 82°F (27.8°C) in temperature. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Southborough, Massachusetts, with an average temperature varying between 54.7°F (12.6°C) and 72.9°F (22.7°C). The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a warm 80.4°F (26.9°C) in August to a pleasant 72.9°F (22.7°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Southborough, Massachusetts, with an average temperature ranging between max 59.7°F (15.4°C) and min 45.5°F (7.5°C). In Southborough, the beginning of October is marked by a lowered average high-temperature, shifting from September's agreeable 72.9°F (22.7°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 Southborough, Massachusetts, with an average temperature fluctuating between 34.7°F (1.5°C) and 48.6°F (9.2°C). A decrease in the average high-temperature is observed during November, shifting from a moderate 59.7°F (15.4°C) in October to a chilly 48.6°F (9.2°C). Weather in November »Weather in December
December, the first month of the winter in Southborough, is also a wintry month, with temperature in the range of an average high of 38.3°F (3.5°C) and an average low of 27°F (-2.8°C). December involves a decrease in temperature, down from a chilly 48.6°F (9.2°C) in November to an icy 38.3°F (3.5°C). Weather in December »Updated: Jul 25, 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
In Southborough, the lowest temperatures are generally noted in January, averaging a high of 32.5°F (0.3°C) and a low of 19.8°F (-6.8°C).
Throughout the year, there are 140.8 rainfall days, and 26.34" (669mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
In Southborough, during the entire year, snow falls for 32.4 days and aggregates up to 21.61" (549mm) of snow.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Southborough.
February is the most humid month, with an average relative humidity of 80%.
February is the month with the most snowfall. Snow falls for 7.8 days and accumulates 5.24" (133mm) of snow.
With an average of 4.8h of sunshine, February has the least sunshine of the year.
The wettest months are March, November and December, with an average 2.56" (65mm) of rainfall.
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.
April is the least humid month, with an average relative humidity of 71%.
In Southborough, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 12min of daylight.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
The highest temperatures are recorded in July, with averages reaching a high of 82°F (27.8°C) and a low of 63°F (17.2°C).
The month with the most sunshine is August, with an average of 10.3h of sunshine.
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.34" (34mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
Southborough, MA
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure
Southborough, MA
- Average pressure in January:
30.01"Hg - Average pressure in February:
29.99"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
Southborough, 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:
6.8mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8.1mph
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
Southborough, MA
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Southborough, MA
- Average rainfall in January:
2.01" - Average rainfall in February:
1.93" - Average rainfall in March:
2.56" - Average rainfall in April:
2.52" - Average rainfall in May:
2.01" - Average rainfall in June:
2.24"
- Average rainfall in July:
2.05" - Average rainfall in August:
2.13" - Average rainfall in September:
1.34" - Average rainfall in October:
2.44" - Average rainfall in November:
2.56" - Average rainfall in December:
2.56"
The wettest months (with the highest rainfall) are March, November and December (2.56").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days
Southborough, MA
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
13.5 days - Average rainfall days in May:
15.6 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
14.7 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
13.3 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (6.8 days).
Average snowfall
Southborough, MA
- Average snowfall in January:
3.35" - Average snowfall in February:
5.24" - Average snowfall in March:
5.2" - Average snowfall in April:
1.69" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Southborough, MA
- Average snowfall days in January:
7.6 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
7.4 days - Average snowfall days in April:
1.5 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:
5.5 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Southborough, 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 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 6min - Average sunshine in February:
4h and 48min - Average sunshine in March:
5h and 48min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 24min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Southborough, MA
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
15.1 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
14.1 days - Average sunshine days in August:
15.6 days - Average sunshine days in September:
16 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
18.4 days - Average sunshine days in December:
17.6 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is April (13.4 days).
Average UV index
Southborough, 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
Southborough, 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
Southborough, MA
The months with the highest visibility are January, March, April, May, October, November and December (6mi).
The months with the lowest visibility are February, June, July, August and September (5mi).
