Merrimack County, New Hampshire 

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Climate in Merrimack County, New Hampshire

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

Merrimack County averages 66 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 Merrimack County. The US average is 205 sunny days.

Merrimack County gets some kind of precipitation, on average, 133 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 80 degrees
Winter Low: the January low is 10
Rain: averages 46 inches of rain a year
Snow: averages 66 inches of snow a year


BESTPLACES COMFORT INDEX

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

6.4 / 10
July, August and June are the most pleasant months in Merrimack County, while January and February are the least comfortable months.

Climate Averages
  Merrimack, New HampshireUnited States
  46.1 in.38.1 in.
  66.0 in.27.8 in.
  132.7 days106.2 days
  199 days205 days
  80.3°85.8°
  9.5°21.7°
  6.47
  3.24.3
  725 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 Merrimack County with an average high temperature of 80.3°, which ranks it as cooler than most places in New Hampshire. In Merrimack County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Merrimack County are August, June and July.


January has the coldest nighttime temperatures for Merrimack County with an average of 9.5°. This is about average compared to other places in New Hampshire.


In Merrimack County, there are 5.0 days annually when the high temperature is over 90°, which is cooler than most places in New Hampshire.


In Merrimack County, there are 165.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in New Hampshire.


In Merrimack County, there are 15.6 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in New Hampshire.


October is the wettest month in Merrimack County with 4.6 inches of rain, and the driest month is February with 3.0 inches. The wettest season is Winter with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 46.1 inches in Merrimack County means that it is about average compared to other places in New Hampshire.


June is the rainiest month in Merrimack County with 13.0 days of rain, and February is the driest month with only 8.9 rainy days. There are 132.7 rainy days annually in Merrimack County, which is about average compared to other places in New Hampshire. The rainiest season is Autumn 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 66.0 inches in Merrimack County means that it is about average compared to other places in New Hampshire. January is the snowiest month in Merrimack County with 18.4 inches of snow, and 6 months of the year have significant snowfall.





CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
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    MAPS OF MERRIMACK COUNTY, NEW HAMPSHIRE
    ZIP CODES IN MERRIMACK COUNTY, NEW HAMPSHIRE
    03301, 03303, 03106, 03275, 03235, 03304, 03229, 03307, 03242, 03257, ... 27 more

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