Climate and monthly weather forecastChester, CT
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Chester, Connecticut, with temperature in the range of an average high of 35.2°F (1.8°C) and an average low of 25.5°F (-3.6°C). January is the coldest month, with an average high-temperature of 35.2°F (1.8°C) and an average low-temperature of 25.5°F (-3.6°C). Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Chester, Connecticut, with temperature in the range of an average high of 37.9°F (3.3°C) and an average low of 26.2°F (-3.2°C). As February unfolds, the average high-temperature reaches a still wintry 37.9°F (3.3°C), hinting at a slight fluctuation from the previous month. Weather in February »Weather in March
March, the first month of the spring in Chester, is a chilly month, with an average temperature varying between 32.5°F (0.3°C) and 43.7°F (6.5°C). Chester's March weather indicates a minor ascent in high-temperatures, adjusting from a cold 37.9°F (3.3°C) in February to a chilly 43.7°F (6.5°C). Weather in March »Weather in April
April in Chester, Connecticut, is a fresh spring month, with an average temperature varying between 54.3°F (12.4°C) and 41.7°F (5.4°C). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a frosty 43.7°F (6.5°C) to a cool 54.3°F (12.4°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Chester, Connecticut, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 50.7°F (10.4°C). Chester's weather in May shows a rise in the average high-temperature, moving up from April's cool 54.3°F (12.4°C) to a comfortable 64.9°F (18.3°C). Weather in May »Weather in June
June, the first month of the summer in Chester, is an agreeable month, with an average temperature fluctuating between 58.8°F (14.9°C) and 73°F (22.8°C). As June begins, there's a slight increase in the average high-temperature, moving from a refreshing 64.9°F (18.3°C) in May to a pleasant 73°F (22.8°C). Weather in June »Weather in July
July in Chester, Connecticut, is a warm summer month, with an average temperature fluctuating between 79.7°F (26.5°C) and 66.6°F (19.2°C). July stands out as Chester's warmest month, with an average high-temperature of 79.7°F (26.5°C) and a low-temperature of 66.6°F (19.2°C). Weather in July »Weather in August
August, the last month of the summer in Chester, is also a moderately hot month, with an average temperature fluctuating between 78.6°F (25.9°C) and 65.7°F (18.7°C). As July turns into August, the average high-temperatures rest at a still moderately hot 78.6°F (25.9°C), showing a minor variation from the prior month. 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 59.5°F (15.3°C) and 72.3°F (22.4°C). September's onset introduces a mild reduction in the average high-temperature, from a moderately hot 78.6°F (25.9°C) in August to an agreeable 72.3°F (22.4°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Chester, Connecticut, with an average temperature fluctuating between 61.9°F (16.6°C) and 50.5°F (10.3°C). October's onset brings a reduction in the average high-temperature, from a pleasant 72.3°F (22.4°C) in September to a comfortable 61.9°F (16.6°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Chester, Connecticut, with an average temperature varying between 50.7°F (10.4°C) and 39.9°F (4.4°C). November implies a gentle temperature shift, with average high-temperatures reducing from October's comfortable 61.9°F (16.6°C) to a fresh 50.7°F (10.4°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 41.9°F (5.5°C) and an average low of 32.4°F (0.2°C). Chester in December experiences a gentle temperature dip, with average high-temperatures reducing from a cool 50.7°F (10.4°C) in November to an icy 41.9°F (5.5°C). Weather in December »Updated: Jun 9, 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
January is the month when Chester experiences its coldest temperatures, averaging a high of 35.2°F (1.8°C) and a low of 25.5°F (-3.6°C).
Throughout the year, there are 166.2 rainfall days, and 34.8" (884mm) of precipitation is accumulated.
Months with snowfall are January through May, November and December.
In Chester, during the entire year, snow falls for 24.2 days and aggregates up to 9.53" (242mm) of snow.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Chester.
February and December, with an average of 4.8h of sunshine, are months with the least sunshine.
The month with the most snowfall is March, when snow falls for 4.7 days and typically aggregates up to 2.76" (70mm) of snow.
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.
The least humid month is April, with an average relative humidity of 73%.
The months with the highest humidity are May through July, with an average relative humidity of 78%.
June through October are months without snowfall.
The month with the longest days is June, with an average of 15h and 6min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
In Chester, July is the month with the highest recorded average temperatures, measuring a high of 79.7°F (26.5°C) and a low of 66.6°F (19.2°C).
The month with the most sunshine is August, with an average of 10.6h of sunshine.
The month with the least rainfall is September, when the rain falls for 13 days and typically collects 1.93" (49mm) of precipitation.
December is the month with the most rainfall. Rain falls for 13 days and accumulates 3.66" (93mm) of precipitation.
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Chester, CT
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (35.2°F).
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure
Chester, CT
- Average pressure in January:
30.03"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"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:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Chester, CT
- Average wind speed in January:
10.9mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.6mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.1mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.1mph - Average wind speed in December:
10.6mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity
Chester, CT
The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall
Chester, CT
- Average rainfall in January:
2.52" - Average rainfall in February:
2.44" - Average rainfall in March:
2.8" - Average rainfall in April:
3.23" - Average rainfall in May:
2.76" - Average rainfall in June:
2.91"
- Average rainfall in July:
3.11" - Average rainfall in August:
2.91" - Average rainfall in September:
1.93" - Average rainfall in October:
3.46" - Average rainfall in November:
3.07" - Average rainfall in December:
3.66"
The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days
Chester, CT
- Average rainfall days in January:
9 days - Average rainfall days in February:
10.4 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
16.5 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
16.4 days - Average rainfall days in September:
13 days - Average rainfall days in October:
14.6 days - Average rainfall days in November:
11 days - Average rainfall days in December:
13 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9 days).
Average snowfall
Chester, CT
- Average snowfall in January:
2.17" - Average snowfall in February:
2.72" - Average snowfall in March:
2.76" - Average snowfall in April:
0.08" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Chester, CT
- Average snowfall days in January:
6.3 days - Average snowfall days in February:
7 days - Average snowfall days in March:
4.7 days - Average snowfall days in April:
0.7 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:
0.9 days - Average snowfall days in December:
4.4 days
The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Chester, CT
- Average daylight in January:
9h and 36min - 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 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - 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 54min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 36min - Average sunshine in September:
8h and 54min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days
Chester, CT
- Average sunshine days in January:
16 days - Average sunshine days in February:
12.5 days - Average sunshine days in March:
13.6 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
12.2 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
11.7 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
14.1 days - Average sunshine days in November:
17.1 days - Average sunshine days in December:
14.8 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (11.7 days).
Average UV index
Chester, CT
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
Chester, CT
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Chester, CT
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
