Hillsborough, NH Climate


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Hillsborough, NH is a rural town located in the Merrimack Valley of New Hampshire. It has a temperate climate with four distinct seasons throughout the year. The summers are warm with temperatures ranging from 70-80 degrees Fahrenheit, while winters can be cold and snowy with temperatures plummeting to the single digits. Spring and fall are both mild with occasional showers and moderate temperatures between 50-70 degrees. Overall, Hillsborough enjoys pleasant weather year round and is a great place to live or visit.

Hillsborough, New Hampshire gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Hillsborough averages 70 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. The US average is 205 sunny days.

Hillsborough gets some kind of precipitation, on average, 131 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 79 degrees
Winter Low: the January low is 12
Rain: averages 49 inches of rain a year
Snow: averages 70 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Hillsborough is 6.5 (10=best), which means it is more comfortable than most places in New Hampshire.

9.1 Summer - 4.1 Winter
July, August and June are the most pleasant months in Hillsborough, while January and February are the least comfortable months.

  ClimateHillsborough, New HampshireUnited States
  48.9 in.38.1 in.
  70.0 in.27.8 in.
  131.1 days106.2 days
  199 days205 days
  78.7°85.8°
  12.3°21.7°
  6.57
  3.24.3
  656 ft.2443 ft.
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Hillsborough with an average high temperature of 78.7°, which ranks it as cooler than most places in New Hampshire. In Hillsborough, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hillsborough are August, July and June.
In Hillsborough, there are 1.7 days annually when the high temperature is over 90°, which is one of the coolest places in New Hampshire.
January has the coldest nighttime temperatures for Hillsborough with an average of 12.3°. This is warmer than most places in New Hampshire.
In Hillsborough, there are 154.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New Hampshire.
In Hillsborough, there are 6.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New Hampshire.
Humidity in Hillsborough 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.
October is the wettest month in Hillsborough with 4.9 inches of rain, and the driest month is February with 3.3 inches. The wettest season is Winter with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 48.9 inches in Hillsborough means that it is wetter than most places in New Hampshire.
May is the rainiest month in Hillsborough with 12.8 days of rain, and February is the driest month with only 9.2 rainy days. There are 131.1 rainy days annually in Hillsborough, which is about average compared to other places in New Hampshire. The rainiest season is Summer when it rains 26% of the time and the driest is Spring with only a 23% chance of a rainy day.
An annual snowfall of 70.0 inches in Hillsborough means that it is snowier than most places in New Hampshire. January is the snowiest month in Hillsborough with 18.2 inches of snow, and 6 months of the year have significant snowfall.
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