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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 another cold winter month in Wilmington, Massachusetts, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 33.1°F (0.6°C). January is the coldest month of the year, registering average temperatures as high as 33.1°F (0.6°C) and as low as 21.6°F (-5.8°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Wilmington, Massachusetts, with an average temperature varying between 36.1°F (2.3°C) and 22.8°F (-5.1°C). The ushering in of February brings an average high-temperature of a still icy 36.1°F (2.3°C), closely mirroring the 33.1°F (0.6°C) of January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Wilmington, Massachusetts, with an average temperature varying between 43°F (6.1°C) and 30°F (-1.1°C). Wilmington in March denotes a subtle temperature transition, adjusting from an average high of an icy 36.1°F (2.3°C) in February to a chilly 43°F (6.1°C). Weather in March »
Weather in April
April in Wilmington, Massachusetts, is a moderate spring month, with temperature in the range of an average high of 55.6°F (13.1°C) and an average low of 39.7°F (4.3°C). The transition to April introduces an increase in the average high-temperature, shifting from a chilly 43°F (6.1°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 Wilmington, is a refreshing month, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 49.3°F (9.6°C). With the onset of May, Wilmington's average high-temperature experiences a rise, moving from April's mild 55.6°F (13.1°C) to a still refreshing 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 Wilmington, Massachusetts, with an average temperature varying between 57°F (13.9°C) and 74.8°F (23.8°C). June witnesses a subtle temperature ascent, adjusting from a comfortable 66.7°F (19.3°C) in May to a moderately hot 74.8°F (23.8°C). Weather in June »
Weather in July
July, like June, in Wilmington, Massachusetts, is a moderately hot summer month, with an average temperature varying between 82°F (27.8°C) and 64.6°F (18.1°C). During the warmest month, July, temperatures average a high of 82°F (27.8°C) and a low of 64.6°F (18.1°C). The heat index in July 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 Wilmington, Massachusetts, with an average temperature fluctuating between 80.6°F (27°C) and 63.3°F (17.4°C). Wilmington's weather in August indicates an average high-temperature of a still warm 80.6°F (27°C), nearly consistent with the 82°F (27.8°C) of July. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Wilmington, Massachusetts, with temperature in the range of an average low of 56.7°F (13.7°C) and an average high of 72.5°F (22.5°C). September brings a minor shift in the average high-temperature, adjusting from a warm 80.6°F (27°C) in August to an agreeable 72.5°F (22.5°C). Weather in September »
Weather in October
October, the same as September, in Wilmington, Massachusetts, is another mild autumn month, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 60.6°F (15.9°C). October ushers in a slight temperature change, with average high-temperatures reducing from September's agreeable 72.5°F (22.5°C) to a mild 60.6°F (15.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Wilmington, is also a frosty month, with temperature in the range of an average low of 36.7°F (2.6°C) and an average high of 49.1°F (9.5°C). Start of November brings a shift in the average high-temperature, falling from October's refreshing 60.6°F (15.9°C) to a frosty 49.1°F (9.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Wilmington, Massachusetts, with an average temperature varying between 38.8°F (3.8°C) and 28.9°F (-1.7°C). The transition into December indicates a reduction in the average high-temperature, down to a cold 38.8°F (3.8°C) from November's frosty 49.1°F (9.5°C). Weather in December »
Updated: Jun 4, 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 month is the coldest?
Wilmington records the coldest temperatures in January, averaging a high of 33.1°F (0.6°C) and a low of 21.6°F (-5.8°C).
How many days does it rain?
Throughout the year, there are 138.8 rainfall days, and 26.85" (682mm) 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, in Wilmington, there are 30.6 snowfall days, and 18.86" (479mm) of snow is accumulated.
What are the months with the lowest UV index in Wilmington?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What is the most humid month?
The most humid month is February, with an average relative humidity of 78%.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 7.3 days and accumulates 4.96" (126mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.6h of sunshine.
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?
The least humid month is April, with an average relative humidity of 69%.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 18min of daylight.
When is the highest UV index?
The months with the highest UV index in Wilmington are June through August, with an average maximum UV index of 6.
What are the warmest months in Wilmington?
Wilmington experiences its average highest temperatures in July, reaching a peak of 82°F (27.8°C) and a minimum of 64.6°F (18.1°C).
What month has the most sunshine?
August has the most sunshine of the year, with an average of 10.5h of sunshine.
What is the driest month?
September is the month with the least rainfall in Wilmington. Rain falls for 10.3 days and accumulates 1.22" (31mm) of precipitation.
What is the rainiest month?
December is the month with the most rainfall. Rain falls for 9.2 days and accumulates 2.87" (73mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 6min of daylight, December has the shortest days of the year.
Average temperature
Wilmington, MA
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.1°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Wilmington, 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:
29.97"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:
30.03"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
Wilmington, MA
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.2mph - Average wind speed in March:
9mph - Average wind speed in April:
8.4mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
6mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.5mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.9mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity
Wilmington, MA
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (69%).
Average rainfall
Wilmington, MA
- Average rainfall in January:
2.2" - Average rainfall in February:
2.13" - Average rainfall in March:
2.72" - Average rainfall in April:
2.76" - Average rainfall in May:
1.97" - Average rainfall in June:
2.2"
- Average rainfall in July:
1.89" - Average rainfall in August:
1.65" - Average rainfall in September:
1.22" - Average rainfall in October:
2.6" - Average rainfall in November:
2.64" - Average rainfall in December:
2.87"
The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days
Wilmington, MA
- Average rainfall days in January:
7.4 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
10.7 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
15.5 days - Average rainfall days in June:
14.1 days
- Average rainfall days in July:
14 days - Average rainfall days in August:
11.5 days - Average rainfall days in September:
10.3 days - Average rainfall days in October:
13.3 days - Average rainfall days in November:
10 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.4 days).
Average snowfall
Wilmington, MA
- Average snowfall in January:
3.03" - Average snowfall in February:
4.96" - Average snowfall in March:
4.45" - Average snowfall in April:
1.14" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Wilmington, MA
- Average snowfall days in January:
7.5 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
1.4 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:
0.1 days - Average snowfall days in November:
1.4 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Wilmington, 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 2min
- 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 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
4h and 4min - Average sunshine in March:
5h and 4min - 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 3min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Wilmington, MA
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
14.2 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
16.1 days - Average sunshine days in August:
17 days - Average sunshine days in September:
17.6 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
17.8 days - Average sunshine days in December:
17.2 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is April (13.3 days).
Average UV index
Wilmington, 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
Wilmington, MA
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Wilmington, MA
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Wilmington, Massachusetts, USA
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