Climate in Fairfield County, Connecticut

Fairfield County, Connecticut gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Fairfield County averages 33 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 175 sunny days per year in Fairfield County. The US average is 205 sunny days.

Fairfield County gets some kind of precipitation, on average, 121 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 83 degrees
Winter Low: the January low is 20
Rain: averages 50 inches of rain a year
Snow: averages 33 inches of snow a year

BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Fairfield County is 7.1 (10=best), which means it is more comfortable than most places in Connecticut.

July is the hottest month for Fairfield County with an average high temperature of 83.3°, which ranks it as warmer than most places in Connecticut. In Fairfield County, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Fairfield County are June, September and August.

In Fairfield County, there are 9.0 days annually when the high temperature is over 90°, which is hotter than most places in Connecticut.

January has the coldest nighttime temperatures for Fairfield County with an average of 20.2°. This is warmer than most places in Connecticut.

In Fairfield County, there are 115.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Connecticut.

In Fairfield County, there are 1.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Connecticut.

The humidity is usually comfortable in Fairfield County but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.

October is the wettest month in Fairfield County with 4.5 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Summer with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 49.8 inches in Fairfield County means that it is about average compared to other places in Connecticut.

May is the rainiest month in Fairfield County with 11.8 days of rain, and October is the driest month with only 8.8 rainy days. There are 121.0 rainy days annually in Fairfield County, which is rainier than most places in Connecticut. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 33.2 inches in Fairfield County means that it is less snowy than most places in Connecticut. January is the snowiest month in Fairfield County with 9.8 inches of snow, and 6 months of the year have significant snowfall.

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