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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, the same as December, is an icy winter month in Westborough, Massachusetts, with an average temperature varying between 32.5°F (0.3°C) and 19.8°F (-6.8°C). The month of January, characterized by an average high of 32.5°F (0.3°C) and a low of 19.8°F (-6.8°C), is recognized as the coldest. Weather in January »
Weather in February
February, the last month of the winter in Westborough, is also an icy month, with an average temperature varying between 20.7°F (-6.3°C) and 35.2°F (1.8°C). Westborough signifies an average high-temperature of a still wintry 35.2°F (1.8°C) in February, closely mirroring the 32.5°F (0.3°C) of January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Westborough, Massachusetts, with temperature in the range of an average high of 43°F (6.1°C) and an average low of 28.8°F (-1.8°C). The shift into March is accompanied by a modest temperature increase, with the average high-temperature edging up from an icy 35.2°F (1.8°C) in February to a frosty 43°F (6.1°C). Weather in March »
Weather in April
April is a mild spring month in Westborough, Massachusetts, with an average temperature varying between 55.9°F (13.3°C) and 39°F (3.9°C). As Westborough enters April, the average high-temperature increases from the a chilly 43°F (6.1°C) of March to a mild 55.9°F (13.3°C). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Westborough, Massachusetts, with an average temperature ranging between min 48.7°F (9.3°C) and max 67.5°F (19.7°C). May's arrival signals a temperature shift, moving from a mild 55.9°F (13.3°C) in April to a still refreshing 67.5°F (19.7°C). Weather in May »
Weather in June
June, the first month of the summer in Westborough, is a warm month, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 55.9°F (13.3°C). Westborough perceives a slight temperature ascent during June, with average high-temperatures adjusting from a refreshing 67.5°F (19.7°C) in May to a moderately hot 75.2°F (24°C). Weather in June »
Weather in July
July, like June, in Westborough, Massachusetts, is another warm summer month, with an average temperature ranging between max 82°F (27.8°C) and min 63°F (17.2°C). The temperatures reach their highest averages in July, with highs of 82°F (27.8°C) and lows of 63°F (17.2°C). In July, the average heat index is calculated to be 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 Westborough, Massachusetts, with an average temperature ranging between max 80.4°F (26.9°C) and min 61.7°F (16.5°C). Westborough registers an average high-temperature of a still warm 80.4°F (26.9°C) with the arrival of August, showing minor deviation from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Westborough, is still a pleasant month, with temperature in the range of an average high of 72.9°F (22.7°C) and an average low of 54.7°F (12.6°C). September is marked by a subtle drop in average high-temperatures, transitioning from a warm 80.4°F (26.9°C) in August to an agreeable 72.9°F (22.7°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Westborough, Massachusetts, with an average temperature fluctuating between 59.7°F (15.4°C) and 45.5°F (7.5°C). October is characterized by a reduction in the average high-temperature, from a pleasant 72.9°F (22.7°C) in September to a refreshing 59.7°F (15.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Westborough, Massachusetts, with temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 34.7°F (1.5°C). November's arrival comes with a decrease in the average high-temperature, moving from a mild 59.7°F (15.4°C) in October to a frosty 48.6°F (9.2°C). Weather in November »
Weather in December
December, the first month of the winter in Westborough, is also a wintry month, with an average temperature ranging between min 27°F (-2.8°C) and max 38.3°F (3.5°C). December brings a decrease in the average high-temperature, falling from November's frosty 48.6°F (9.2°C) to a cold 38.3°F (3.5°C). Weather in December »
Updated: Jun 18, 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
What are the coldest months?
Westborough's coldest month, January, registers temperatures that range from a high of 32.5°F (0.3°C) to a low of 19.8°F (-6.8°C).
How much does it rain?
Throughout the year, there are 140.8 rainfall days, and 26.34" (669mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
Throughout the year, there are 32.4 snowfall days, and 21.61" (549mm) of snow is accumulated.
When is the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
The most humid month is February, with an average relative humidity of 80%.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 7.8 days and typically aggregates up to 5.24" (133mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.8h of sunshine.
What is the wettest month?
The months with the most rainfall are March, November and December, with an average 2.56" (65mm) of precipitation.
When is Daylight Saving Time (DST)?
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 Westborough?
April is the least humid month, with an average relative humidity of 71%.
When it does not snow?
June through September are months without snowfall.
When are the longest days in Westborough?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What are the months with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What is the warmest month?
Westborough experiences its highest temperatures in July, with an average peak of 82°F (27.8°C) and a low of 63°F (17.2°C).
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10.3h of sunshine.
What is the driest month in Westborough?
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.34" (34mm) of precipitation.
What is the month with the shortest days in Westborough?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Westborough, 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
Westborough, 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
Westborough, 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
Westborough, MA
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Westborough, 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
Westborough, 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
Westborough, 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
Westborough, 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
Westborough, 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 1min - 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 12min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
4h and 5min - 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 1min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 2min - 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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Westborough, 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
Westborough, 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
Westborough, 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
Westborough, 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).
Westborough, Massachusetts, USA
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