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Cheshire County Climate

Cheshire County, New Hampshire

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec45.9°AVG °F

Avg Annual Temp

45.9°F

Annual Precip

46.5"

Annual Snowfall

66.6"

Extreme Heat Days

7

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.2"
2.9"
3.5"
3.5"
3.7"
4.5"
4.4"
4.2"
4.2"
5.0"
3.5"
4.0"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6a

Minimum winter temperature range for plant survival

Growing Degree Days

2,220

Favors cool-season crops

Last spring frost (32°F): 05/14
First fall frost (32°F): 10/06

Seasonal Overview

Comfort ZoneSpring32°55°10.7"Summer64°69°13.0"Fall37°60°12.7"Winter21°28°10.1"20°40°60°80°100°

National Comparison

Warmer than 16% of US counties
Wetter than 63% of US counties
More seasonal variation than 74% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Cheshire County

Climate Verdict

Cheshire County has a cool, averaging 45.9°F annually, moderately wet with 46.5 inches of annual precipitation, rare extreme heat with only 7.449999999999999 days above 90°F annually, heavy winter snowfall averaging 66.6 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 21.4°F. summers are pleasantly cool with July averaging 69.4°F. The 48°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.

Regional Context

Cheshire County closely matches the New Hampshire statewide average temperature of 45.4°F.

Climate Profile

About Cheshire County Weather

A Typical Northeastern Temperature Range

Cheshire County averages 45.9°F annually, placing it firmly in the cooler half of the United States. Its climate is characterized by significant precipitation and distinct four-season changes.

Aligning With State Norms

The county's 45.9°F average is very close to the New Hampshire state average of 45.4°F. This makes it a benchmark for the state’s overall climate patterns.

Similar to the Lakes Region

Cheshire’s 46.5 inches of precipitation matches Belknap County exactly. However, it experiences slightly less snowfall, recording 66.6 inches compared to higher totals found further north.

Steady Snow and Warm Julys

Winter temperatures average 24.1°F, supported by a significant 66.6 inches of snow. July brings the heat back with a 69.4°F average and roughly 7 days hitting the 90°F mark.

Versatile Home Systems Needed

Homeowners should prepare for January averages of 21.4°F with efficient heating solutions. Summers are generally mild, but air conditioning is necessary for the occasional week of 90-degree weather.

Frequently Asked Questions

What is the average temperature in Cheshire County?
The average annual temperature in Cheshire County, NH is 45.9°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Cheshire County get?
Cheshire County receives an average of 46.5 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Cheshire County?
Yes, Cheshire County receives an average of 66.6 inches of snowfall per year according to NOAA climate normals.
How hot does Cheshire County get in summer?
The average summer temperature (June-August) in Cheshire County is 67.1°F. The county experiences an average of 7 days per year above 90°F.
How cold are winters in Cheshire County?
The average winter temperature (December-February) in Cheshire County is 24.1°F. January, typically the coldest month, averages 21.4°F.

Track your own weather in Cheshire County

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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.

Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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