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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, in Bolton, Massachusetts, is another subzero cold winter month, with an average temperature fluctuating between 19.8°F (-6.8°C) and 31.5°F (-0.3°C). In Bolton, the lowest average temperatures are observed in January, with a high of 31.5°F (-0.3°C) and a low of 19.8°F (-6.8°C). Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Bolton, Massachusetts, with an average temperature ranging between max 34.7°F (1.5°C) and min 20.1°F (-6.6°C). In February, Bolton's weather conditions record an average high-temperature of a cold 34.7°F (1.5°C), demonstrating little divergence from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is also a wintry month in Bolton, Massachusetts, with temperature in the range of an average low of 27.9°F (-2.3°C) and an average high of 42.4°F (5.8°C). March witnesses a subtle temperature ascent, adjusting from a cold 34.7°F (1.5°C) in February to a still icy 42.4°F (5.8°C). Weather in March »
Weather in April
April is a mild spring month in Bolton, Massachusetts, with temperature in the range of an average low of 38.1°F (3.4°C) and an average high of 55.6°F (13.1°C). The commencement of April sees a shift in the average high-temperature, moving from a cold 42.4°F (5.8°C) in March to a moderate 55.6°F (13.1°C). Weather in April »
Weather in May
May, the last month of the spring in Bolton, is a comfortable month, with an average temperature fluctuating between 67.5°F (19.7°C) and 47.8°F (8.8°C). With the onset of May, Bolton's average high-temperature sees a rise, moving from April's refreshing 55.6°F (13.1°C) to an enjoyable 67.5°F (19.7°C). Weather in May »
Weather in June
June, the first month of the summer in Bolton, is a warm month, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 75.2°F (24°C). Bolton's transition into June is marked by a minor temperature shift, moving from a refreshing 67.5°F (19.7°C) in May to a warm 75.2°F (24°C). Weather in June »
Weather in July
July, like June, in Bolton, Massachusetts, is another warm summer month, with an average temperature fluctuating between 81.9°F (27.7°C) and 62.2°F (16.8°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. The heat index in July is computed to be a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Bolton, is also a moderately hot month, with an average temperature ranging between max 80.1°F (26.7°C) and min 60.4°F (15.8°C). Bolton's weather in August indicates an average high-temperature of a still moderately hot 80.1°F (26.7°C), nearly consistent with the 81.9°F (27.7°C) of July. Weather in August »
Weather in September
September, the first month of the autumn in Bolton, is also an agreeable month, with an average temperature ranging between max 72.5°F (22.5°C) and min 54°F (12.2°C). A subtle shift in Bolton's weather is observed as August turns into September, with the average high temperature reducing from a warm 80.1°F (26.7°C) to an agreeable 72.5°F (22.5°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Bolton, Massachusetts, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 59.7°F (15.4°C). The arrival of October corresponds with a temperature reduction, down from September's agreeable 72.5°F (22.5°C) 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 Bolton, Massachusetts, with an average temperature varying between 34.3°F (1.3°C) and 47.3°F (8.5°C). Arrival of November comes with a reduction in the average high-temperature, falling from a moderate 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 an icy month in Bolton, Massachusetts, with an average temperature ranging between min 26.6°F (-3°C) and max 37.4°F (3°C). December brings a decrease in the average high-temperature, falling from November's frosty 47.3°F (8.5°C) to a wintry 37.4°F (3°C). Weather in December »
Updated: Aug 27, 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 time of the year is the coldest?
Bolton, Massachusetts, reaches its average lowest temperatures in January, measuring 31.5°F (-0.3°C) at the peak and 19.8°F (-6.8°C) at the lowest.
How many days does it rain?
Throughout the year, in Bolton, there are 150.4 rainfall days, and 28.86" (733mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
In Bolton, Massachusetts, during the entire year, snow falls for 36.5 days and aggregates up to 23.82" (605mm) of snow.
What are the months with the lowest UV index?
The months with the lowest UV index in Bolton are January through March, November and December, with an average maximum UV index of 2.
What is the most humid month?
With an average relative humidity of 81%, February is the most humid month.
What is the snowiest month?
The month with the most snowfall 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?
With an average of 4.6h of sunshine, February has the least sunshine of the year.
When is Daylight Saving Time (DST) in Bolton?
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 71%.
When it does not snow?
June through September are months without snowfall in Bolton.
When are the longest days?
June has the longest days of the year, with an average of 15h and 12min of daylight.
When is 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?
With average high temperatures of 81.9°F (27.7°C) and lows of 62.2°F (16.8°C), July is the warmest month.
What month has the most sunshine?
With an average of 10.2h of sunshine, August has the most sunshine of the year in Bolton.
What is the driest month?
September is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.57" (40mm) of precipitation.
What is the wettest month?
December is the month with the most rainfall. Rain falls for 10.7 days and accumulates 2.91" (74mm) of precipitation.
What is the month with the shortest days in Bolton?
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
Bolton, 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
Bolton, 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
Bolton, 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
Bolton, MA
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Bolton, 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
Bolton, 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
Bolton, 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
Bolton, 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
Bolton, 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
Bolton, 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
Bolton, 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
Bolton, 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
Bolton, 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).
Bolton, Massachusetts, USA
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