Climate and monthly weather forecastChester, MA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Chester, Massachusetts, is a freezing cold winter month, with an average temperature fluctuating between 17.1°F (-8.3°C) and 28.9°F (-1.7°C). Chester's coldest weather arrives in January, when temperatures average a high of 28.9°F (-1.7°C) and a low of 17.1°F (-8.3°C). Weather in January »Weather in February
February, the last month of the winter in Chester, is a wintry month, with an average temperature varying between 18.5°F (-7.5°C) and 32.2°F (0.1°C). The shift into February records an average high-temperature of a wintry 32.2°F (0.1°C), subtly varied from January's 28.9°F (-1.7°C). Weather in February »Weather in March
The first month of the spring, March, is also an icy month in Chester, Massachusetts, with an average temperature varying between 25.9°F (-3.4°C) and 40.5°F (4.7°C). With the onset of March, Chester's average high-temperature experiences a slight rise, moving from February's icy 32.2°F (0.1°C) to a still cold 40.5°F (4.7°C). Weather in March »Weather in April
April in Chester, Massachusetts, is a cool spring month, with an average temperature varying between 36.3°F (2.4°C) and 54°F (12.2°C). Chester experiences a temperature shift with the start of April, with average high-temperatures moving from a wintry 40.5°F (4.7°C) in March to a fresh 54°F (12.2°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Chester, Massachusetts, with an average temperature fluctuating between 47.1°F (8.4°C) and 66.2°F (19°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's fresh 54°F (12.2°C) to a refreshing 66.2°F (19°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Chester, Massachusetts, with an average temperature fluctuating between 54.1°F (12.3°C) and 73.4°F (23°C). June's onset brings a subtle temperature rise, moving from a comfortable 66.2°F (19°C) in May to a moderately hot 73.4°F (23°C). Weather in June »Weather in July
July, like June, in Chester, Massachusetts, is a moderately hot summer month, with an average temperature varying between 79.9°F (26.6°C) and 60.1°F (15.6°C). Chester's July weather reaches an average high of 79.9°F (26.6°C) and an average low of 60.1°F (15.6°C), making it the warmest month. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Chester, Massachusetts, with an average temperature varying between 77.7°F (25.4°C) and 58.8°F (14.9°C). Chester transitions into August recording an average high-temperature of a still warm 77.7°F (25.4°C), closely aligning with the preceding month's temperature. Weather in August »Weather in September
September, the first month of the autumn in Chester, is also an agreeable month, with an average temperature varying between 52.5°F (11.4°C) and 70.7°F (21.5°C). The onset of September is marked by a minor decrease in temperature, transitioning from a moderately hot 77.7°F (25.4°C) in August to an agreeable 70.7°F (21.5°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Chester, Massachusetts, with an average temperature fluctuating between 57.4°F (14.1°C) and 42.8°F (6°C). The arrival of October corresponds with a shift in temperature, down from an agreeable 70.7°F (21.5°C) in September to a mild 57.4°F (14.1°C). Weather in October »Weather in November
November, the last month of the autumn in Chester, is another chilly month, with an average temperature fluctuating between 32°F (0°C) and 45.1°F (7.3°C). Arrival of November comes with a reduction in the average high-temperature, falling from a moderate 57.4°F (14.1°C) in October to a chilly 45.1°F (7.3°C). Weather in November »Weather in December
December, the first month of the winter in Chester, is also a wintry month, with temperature in the range of an average high of 34.7°F (1.5°C) and an average low of 24.1°F (-4.4°C). The start of December signals a decrease in the average high-temperature, transitioning from a chilly 45.1°F (7.3°C) in November to an icy 34.7°F (1.5°C). Weather in December »Updated: Jun 8, 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 Chester, January records the average lowest temperatures, peaking at 28.9°F (-1.7°C) and reaching a low of 17.1°F (-8.3°C).
Throughout the year, there are 155.8 rainfall days, and 32.87" (835mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
Throughout the year, there are 54.3 snowfall days, and 34.45" (875mm) of snow is accumulated.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
The most humid month is February, with an average relative humidity of 84%.
The month with the most snowfall is February, when snow falls for 12.8 days and typically aggregates up to 7.87" (200mm) of snow.
The month with the least sunshine is February, with an average of 4.1h of sunshine.
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 74%.
The months with the highest UV index are May through August, with an average maximum UV index of 5.
In Chester, snow does not fall in June through September.
June has the longest days of the year in Chester, with an average of 15h and 12min of daylight.
July temperatures tend to peak at an average high of 79.9°F (26.6°C) and dip to a low of 60.1°F (15.6°C).
July and August, with an average of 9.9h of sunshine, are months with the most sunshine.
The month with the least rainfall is September, when the rain falls for 13.1 days and typically collects 2.13" (54mm) of precipitation.
The month with the most rainfall is October, when the rain falls for 14.3 days and typically aggregates up to 3.35" (85mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Chester, MA
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.9°F).
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure
Chester, MA
- Average pressure in January:
30.03"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Chester, MA
- Average wind speed in January:
8.9mph - Average wind speed in February:
8.8mph - Average wind speed in March:
8.7mph - Average wind speed in April:
8.2mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.8mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Chester, MA
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (74%).
Average rainfall
Chester, MA
- Average rainfall in January:
2.24" - Average rainfall in February:
2.2" - Average rainfall in March:
2.52" - Average rainfall in April:
2.76" - Average rainfall in May:
3.03" - Average rainfall in June:
2.8"
- Average rainfall in July:
2.87" - Average rainfall in August:
2.83" - Average rainfall in September:
2.13" - Average rainfall in October:
3.35" - Average rainfall in November:
2.99" - Average rainfall in December:
3.15"
The wettest month (with the highest rainfall) is October (3.35").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days
Chester, MA
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
16.9 days - Average rainfall days in June:
16.5 days
- Average rainfall days in July:
16.6 days - Average rainfall days in August:
15.9 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
14.3 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
10.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (6.8 days).
Average snowfall
Chester, MA
- Average snowfall in January:
6.26" - Average snowfall in February:
7.87" - Average snowfall in March:
6.61" - Average snowfall in April:
1.65" - Average snowfall in May:
0.43" - Average snowfall in June:
0"
The month with the highest snowfall is February (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Chester, MA
- Average snowfall days in January:
11.2 days - Average snowfall days in February:
12.8 days - Average snowfall days in March:
10.4 days - Average snowfall days in April:
3.2 days - Average snowfall days in May:
0.7 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:
1.2 days - Average snowfall days in November:
5.3 days - Average snowfall days in December:
9.5 days
The month with the highest number of snowfall days is February (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Chester, 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:
4h and 30min - Average sunshine in February:
4h and 6min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 6min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 18min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 24min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days
Chester, MA
- Average sunshine days in January:
16 days - Average sunshine days in February:
12.4 days - Average sunshine days in March:
12.5 days - Average sunshine days in April:
12 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
12.1 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
13.9 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
14.6 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (11.8 days).
Average UV index
Chester, MA
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Chester, MA
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility
Chester, MA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
