Climate in Somerset County, Pennsylvania

Somerset County, PA has an average yearly temperature of between 50-60 degrees Fahrenheit. The summers are generally warm with temperatures in the 70s and 80s, while the winters are cooler with temperatures that can dip to the 20s and 30s. Rainfall is fairly evenly distributed throughout the year, but snowfall can be quite heavy in some years. Overall, Somerset County has a humid continental climate that is characterized by relatively mild winters and hot, humid summers.

Somerset County, Pennsylvania gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Somerset County averages 79 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 158 sunny days per year in Somerset County. The US average is 205 sunny days.

Somerset County gets some kind of precipitation, on average, 155 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.

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Weather Highlights

Summer High: the July high is around 80 degrees
Winter Low: the January low is 17
Rain: averages 43 inches of rain a year
Snow: averages 79 inches of snow a year

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BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Somerset County is 6.5 (10=best), which means it is less comfortable than most places in Pennsylvania.

August, July and June are the most pleasant months in Somerset County, while January and February are the least comfortable months.

July is the hottest month for Somerset County with an average high temperature of 79.9°, which ranks it as one of the coolest places in Pennsylvania. In Somerset County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Somerset County are August, June and July.

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In Somerset County, there are 2.4 days annually when the high temperature is over 90°, which is one of the coolest places in Pennsylvania.

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January has the coldest nighttime temperatures for Somerset County with an average of 17.0°. This is colder than most places in Pennsylvania.

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In Somerset County, there are 142.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Pennsylvania.

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In Somerset County, there are 5.3 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Pennsylvania.

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Humidity in Somerset County is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and June.

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May is the wettest month in Somerset County with 4.4 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Summer with 28% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 42.9 inches in Somerset County means that it is about average compared to other places in Pennsylvania.

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January is the rainiest month in Somerset County with 16.2 days of rain, and September is the driest month with only 10.5 rainy days. There are 154.9 rainy days annually in Somerset County, which is rainier than most places in Pennsylvania. The rainiest season is Spring when it rains 29% of the time and the driest is Winter with only a 22% chance of a rainy day.

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An annual snowfall of 78.8 inches in Somerset County means that it is one of the snowiest places in Pennsylvania. January is the snowiest month in Somerset County with 23.1 inches of snow, and 7 months of the year have significant snowfall.

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