Monthly weather forecast and climate
Fairmont, CA

Average temperature
Fairmont, CA

Average temperature - Fairmont, CA

The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is December (54.7°F).

The month with the highest average low temperature is August (62.1°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).

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Average pressure
Fairmont, CA

Average pressure - Fairmont, CA

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed
Fairmont, CA

Average wind speed - Fairmont, CA

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).

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Average humidity
Fairmont, CA

Average humidity - Fairmont, CA

Months with the highest relative humidity are February and March (56%).
The month with the lowest relative humidity is August (35%).

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Average rainfall
Fairmont, CA

Average rainfall - Fairmont, CA

The wettest month (with the highest rainfall) is December (1.57").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days
Fairmont, CA

Average rainfall days - Fairmont, CA

The month with the highest number of rainy days is March (7.3 days).
Months with the least rainy days are August and September (1.2 days).

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Average snowfall
Fairmont, CA

Average snowfall - Fairmont, CA

The month with the highest snowfall is December (5.31").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Fairmont, CA

Average snowfall days - Fairmont, CA

The month with the highest number of snowfall days is February (2.8 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Fairmont, CA

Average daylight / Average sunshine - Fairmont, CA

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

The month with the most sunshine is July (Average sunshine: 12.2h).
Months with the least sunshine are January and February (Average sunshine: 6.8).

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Average sunshine days
Fairmont, CA

Average sunshine days - Fairmont, CA

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is February (20.8 days).

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Average UV index
Fairmont, CA

Average UV index - Fairmont, CA

Months with the highest UV index are July and August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Fairmont, CA

Average visibility - Fairmont, CA

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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