Sullivan, NH Climate


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United States / New Hampshire / Keene Metro Area / Cheshire County / Sullivan / Zip Codes
Sullivan, NH is located in a temperate climate zone, characterized by warm summers and cool winters. Generally the summers are mild with temperatures reaching into the mid-80s, while winters tend to stay relatively cold with temperatures sometimes dropping below zero. Precipitation is fairly consistent throughout the year, with an average of 35 inches of rain per year and 80 inches of snowfall annually.

Sullivan, New Hampshire gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Sullivan averages 69 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 198 sunny days per year in Sullivan. The US average is 205 sunny days.

Sullivan gets some kind of precipitation, on average, 134 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 46 inches of rain a year
Snow: averages 69 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Sullivan is 6.4 (10=best), which means it is less comfortable than most places in New Hampshire.

9.1 Summer - 4 Winter
August, July and June are the most pleasant months in Sullivan, while January and February are the least comfortable months.

  ClimateSullivan, New HampshireUnited States
  46.1 in.38.1 in.
  68.8 in.27.8 in.
  134.2 days106.2 days
  198 days205 days
  79.3°85.8°
  11.5°21.7°
  6.47
  3.34.3
  1417 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 Sullivan with an average high temperature of 79.3°, which ranks it as cooler than most places in New Hampshire. In Sullivan, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sullivan are August, July and June.
In Sullivan, there are 1.9 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 Sullivan with an average of 11.5°. This is warmer than most places in New Hampshire.
In Sullivan, there are 154.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New Hampshire.
In Sullivan, there are 9.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New Hampshire.
Humidity in Sullivan 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 Sullivan with 4.6 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Autumn with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 46.1 inches in Sullivan means that it is about average compared to other places in New Hampshire.
May is the rainiest month in Sullivan with 13.5 days of rain, and February is the driest month with only 9.0 rainy days. There are 134.2 rainy days annually in Sullivan, which is rainier than most places in New Hampshire. The rainiest season is Autumn when it rains 27% of the time and the driest is Spring with only a 22% chance of a rainy day.
An annual snowfall of 68.8 inches in Sullivan means that it is snowier than most places in New Hampshire. January is the snowiest month in Sullivan with 18.4 inches of snow, and 6 months of the year have significant snowfall.
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