Climate in Hillsborough, New Hampshire

Hillsborough County, New Hampshire gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Hillsborough County averages 64 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 199 sunny days per year in Hillsborough County. The US average is 205 sunny days.

Hillsborough County gets some kind of precipitation, on average, 126 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 81 degrees
Winter Low: the January low is 13
Rain: averages 47 inches of rain a year
Snow: averages 64 inches of snow a year

BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Hillsborough County is 6.7 (10=best), which means it is more comfortable than most places in New Hampshire.

July is the hottest month for Hillsborough County with an average high temperature of 81.1°, which ranks it as about average compared to other places in New Hampshire. In Hillsborough County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hillsborough County are June, August and July.

January has the coldest nighttime temperatures for Hillsborough County with an average of 12.5°. This is warmer than most places in New Hampshire.

In Hillsborough County, there are 6.7 days annually when the high temperature is over 90°, which is about average compared to other places in New Hampshire.

In Hillsborough County, there are 153.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New Hampshire.

In Hillsborough County, there are 6.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New Hampshire.

October is the wettest month in Hillsborough County with 4.5 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Winter with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 46.9 inches in Hillsborough County means that it is wetter than most places in New Hampshire.

May is the rainiest month in Hillsborough County with 12.3 days of rain, and February is the driest month with only 8.9 rainy days. There are 125.6 rainy days annually in Hillsborough County, which is less rainy than most places in New Hampshire. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 23% chance of a rainy day.

An annual snowfall of 63.5 inches in Hillsborough County means that it is about average compared to other places in New Hampshire. January is the snowiest month in Hillsborough County with 18.3 inches of snow, and 6 months of the year have significant snowfall.

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