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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, in Sudbury, Massachusetts, is an icy winter month, with an average temperature varying between 33.1°F (0.6°C) and 21.2°F (-6°C). With average high temperatures of 33.1°F (0.6°C) and lows of 21.2°F (-6°C), January is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Sudbury, is also an icy month, with an average temperature fluctuating between 21.7°F (-5.7°C) and 36.1°F (2.3°C). Sudbury's entry into February measures an average high-temperature of a still wintry 36.1°F (2.3°C), closely parallel to the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Sudbury, is a chilly month, with an average temperature varying between 29.1°F (-1.6°C) and 43.5°F (6.4°C). The start of March signals a slight increase in the average high-temperature, moving from a wintry 36.1°F (2.3°C) in February to a chilly 43.5°F (6.4°C). Weather in March »
Weather in April
April is a mild spring month in Sudbury, Massachusetts, with an average temperature ranging between min 39.6°F (4.2°C) and max 55.9°F (13.3°C). With the arrival of April, the average high-temperature transitions from a frosty 43.5°F (6.4°C) in March 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 Sudbury, Massachusetts, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 67.1°F (19.5°C). An escalation in the average high-temperature is seen with the onset of May, moving from 55.9°F (13.3°C) in April to a still refreshing 67.1°F (19.5°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Sudbury, Massachusetts, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 75.2°F (24°C). The beginning of June marks a minor shift in the average high-temperature, moving from May's comfortable 67.1°F (19.5°C) to a warm 75.2°F (24°C). Weather in June »
Weather in July
July, like June, in Sudbury, Massachusetts, is another warm summer month, with temperature in the range of an average high of 82.4°F (28°C) and an average low of 63.5°F (17.5°C). In Sudbury, July is the warmest month, with temperatures averaging a high of 82.4°F (28°C) and a low of 63.5°F (17.5°C). July's average heat index is calculated to be 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 Sudbury, Massachusetts, with an average temperature ranging between max 81°F (27.2°C) and min 62.2°F (16.8°C). August's onset brings an average high-temperature of a still warm 81°F (27.2°C), showing a minute difference from July's 82.4°F (28°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Sudbury, Massachusetts, with an average temperature fluctuating between 55.8°F (13.2°C) and 73.2°F (22.9°C). As August makes way for September, Sudbury's average high-temperature eases from a warm 81°F (27.2°C) to a pleasant 73.2°F (22.9°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Sudbury, Massachusetts, with an average temperature ranging between min 46.6°F (8.1°C) and max 60.6°F (15.9°C). A change in temperatures is noted as September gives way to October, with average highs reducing from an agreeable 73.2°F (22.9°C) to a mild 60.6°F (15.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Sudbury, Massachusetts, with an average temperature ranging between min 36°F (2.2°C) and max 49.1°F (9.5°C). November comes with a decrease in the average high-temperature, falling from a refreshing 60.6°F (15.9°C) in October 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 Sudbury, Massachusetts, with an average temperature varying between 39°F (3.9°C) and 28.4°F (-2°C). As November transitions to December, the average high-temperature falls from a frosty 49.1°F (9.5°C) to a wintry 39°F (3.9°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Sudbury?
Sudbury's coldest temperatures are experienced in January, with average high temperatures of 33.1°F (0.6°C) and lows of 21.2°F (-6°C).
How many days does it rain in Sudbury?
Throughout the year, in Sudbury, Massachusetts, there are 141.8 rainfall days, and 24.21" (615mm) of precipitation is accumulated.
When does it snow in Sudbury?
January through May, October through December are months with snowfall.
How many days does it snow in Sudbury?
Throughout the year, in Sudbury, there are 28.5 snowfall days, and 15.91" (404mm) of snow is accumulated.
What are the months with the lowest UV index in Sudbury?
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 in Sudbury?
The most humid month is February, with an average relative humidity of 79%.
What is the snowiest month in Sudbury?
The month with the most snowfall in Sudbury is February, when snow falls for 7 days and typically aggregates up to 4.17" (106mm) of snow.
What is the month with the least sunshine in Sudbury?
February has the least sunshine of the year in Sudbury, with an average of 4.8h of sunshine.
What is the wettest month in Sudbury?
March is the month with the most rainfall in Sudbury, Massachusetts. Rain falls for 12.2 days and accumulates 2.4" (61mm) of precipitation.
When is Daylight Saving Time (DST) in Sudbury?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sudbury, 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 Sudbury?
April is the least humid month, with an average relative humidity of 70%.
When it does not snow in Sudbury?
June through September are months without snowfall in Sudbury, Massachusetts.
When are the longest days in Sudbury?
With an average of 15h and 12min of daylight, June has the longest days of the year.
What is the month with the highest UV index in Sudbury?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Sudbury, Massachusetts.
What are the warmest months in Sudbury?
With average high temperatures of 82.4°F (28°C) and lows of 63.5°F (17.5°C), July is the warmest month.
What month has the most sunshine in Sudbury?
The month with the most sunshine in Sudbury, Massachusetts, is August, with an average of 10.5h of sunshine.
What is the driest month in Sudbury?
September is the month with the least rainfall in Sudbury. Rain falls for 10.4 days and accumulates 1.18" (30mm) of precipitation.
What is the month with the shortest days in Sudbury?
The month with the shortest days in Sudbury is December, with an average of 9h and 6min of daylight.
Average temperature
Sudbury, MA
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure
Sudbury, 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:
29.95"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
Sudbury, MA
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.7mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.9mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.7mph - Average wind speed in December:
8.3mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity
Sudbury, MA
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).
Average rainfall
Sudbury, MA
- Average rainfall in January:
1.93" - Average rainfall in February:
1.89" - Average rainfall in March:
2.4" - Average rainfall in April:
2.36" - Average rainfall in May:
1.85" - Average rainfall in June:
2.13"
- Average rainfall in July:
1.89" - Average rainfall in August:
1.73" - Average rainfall in September:
1.18" - Average rainfall in October:
2.17" - Average rainfall in November:
2.32" - Average rainfall in December:
2.36"
The wettest month (with the highest rainfall) is March (2.4").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days
Sudbury, MA
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
12.2 days - Average rainfall days in April:
14.2 days - Average rainfall days in May:
14.7 days - Average rainfall days in June:
14.7 days
- Average rainfall days in July:
15.6 days - Average rainfall days in August:
13 days - Average rainfall days in September:
10.4 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
9.6 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (7.3 days).
Average snowfall
Sudbury, MA
- Average snowfall in January:
2.68" - Average snowfall in February:
4.17" - Average snowfall in March:
3.7" - Average snowfall in April:
0.94" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Sudbury, MA
- Average snowfall days in January:
7.2 days - Average snowfall days in February:
7 days - Average snowfall days in March:
6.5 days - Average snowfall days in April:
1.1 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:
1.2 days - Average snowfall days in December:
5.3 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Sudbury, 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 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 4min - 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 3min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 0min
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 48min).
Average sunshine days
Sudbury, MA
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
14.5 days - Average sunshine days in March:
13.6 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
14.4 days - Average sunshine days in June:
13.5 days
- Average sunshine days in July:
13.9 days - Average sunshine days in August:
15.9 days - Average sunshine days in September:
17.3 days - Average sunshine days in October:
15.8 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
16.6 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is April (13.2 days).
Average UV index
Sudbury, 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
Sudbury, MA
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Sudbury, 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).
Sudbury, Massachusetts, USA
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