Monthly weather forecast and climate
Chester, CT

Average temperature
Chester, CT

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).

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Average pressure
Chester, CT

Average pressure - Chester, CT

The month with the highest atmospheric pressure is November (30.08").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed
Chester, CT

Average wind speed - Chester, CT

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).

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Average humidity
Chester, CT

Average humidity - Chester, CT

Months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is April (73%).

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Average rainfall
Chester, CT

Average rainfall - Chester, CT

The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days
Chester, CT

Average rainfall days - Chester, CT

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9 days).

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Average snowfall
Chester, CT

Average snowfall - Chester, CT

The month with the highest snowfall is March (2.76").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Chester, CT

Average snowfall days - Chester, CT

The month with the highest number of snowfall days is February (7 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Chester, CT

Average daylight / Average sunshine - Chester, CT

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

The month with the most sunshine is August (Average sunshine: 10.6h).
Months with the least sunshine are February and December (Average sunshine: 4.8).

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Average sunshine days
Chester, CT

Average sunshine days - Chester, CT

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (11.7 days).

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Average UV index
Chester, CT

Average UV index - Chester, CT

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average visibility
Chester, CT

Average visibility - Chester, CT

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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