Monthly weather forecast and climate
Bethlehem, CT

Average temperature
Bethlehem, CT

Average temperature - Bethlehem, CT

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (31.5°F).

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure
Bethlehem, CT

Average pressure - Bethlehem, CT

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed
Bethlehem, CT

Average wind speed - Bethlehem, CT

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average rainfall
Bethlehem, CT

Average rainfall - Bethlehem, CT

The wettest month (with the highest rainfall) is December (3.62").
The driest month (with the least rainfall) is September (2.24").

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Average rainfall days
Bethlehem, CT

Average rainfall days - Bethlehem, CT

The month with the highest number of rainy days is June (17.7 days).
Months with the least rainy days are January and February (8.1 days).

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Average snowfall
Bethlehem, CT

Average snowfall - Bethlehem, CT

The month with the highest snowfall is February (6.1").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Bethlehem, CT

Average snowfall days - Bethlehem, CT

The month with the highest number of snowfall days is January (9.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Bethlehem, CT

Average daylight / Average sunshine - Bethlehem, CT

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

The month with the most sunshine is July (Average sunshine: 10.2h).
The month with the least sunshine is February (Average sunshine: 4.4h).

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Average sunshine days
Bethlehem, CT

Average sunshine days - Bethlehem, CT

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (10.5 days).

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Average UV index
Bethlehem, CT

Average UV index - Bethlehem, CT

Months with the highest UV index are June and July (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
Bethlehem, CT

Average visibility - Bethlehem, CT

Months with the highest visibility are April and November (6mi).
Months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

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