Climate and monthly weather forecast
Clifton, VA

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Average temperature
Clifton, VA

Average temperature - Clifton, VA

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (40.5°F).

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure
Clifton, VA

Average pressure - Clifton, VA

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed
Clifton, VA

Average wind speed - Clifton, VA

The windiest month (with the highest average wind speed) is March (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity
Clifton, VA

Average humidity - Clifton, VA

The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is July (71%).

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Average rainfall
Clifton, VA

Average rainfall - Clifton, VA

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (2.09").

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Average rainfall days
Clifton, VA

Average rainfall days - Clifton, VA

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (9.3 days).

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Average snowfall
Clifton, VA

Average snowfall - Clifton, VA

The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Clifton, VA

Average snowfall days - Clifton, VA

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Clifton, VA

Average daylight / Average sunshine - Clifton, VA

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).

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Average sunshine days
Clifton, VA

Average sunshine days - Clifton, VA

The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are May and July (10.5 days).

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Average UV index
Clifton, VA

Average UV index - Clifton, VA

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

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Average visibility
Clifton, VA

Average visibility - Clifton, VA

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

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Clifton, Virginia, USA

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