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Hampshire County Climate

Hampshire County, Massachusetts

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec47.1°AVG °F

Avg Annual Temp

47.1°F

Annual Precip

50.0"

Annual Snowfall

51.0"

Extreme Heat Days

8

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.6"
3.2"
3.9"
4.0"
3.9"
4.7"
4.5"
4.4"
4.5"
5.2"
3.8"
4.4"
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

2,370

Favors cool-season crops

Last spring frost (32°F): 05/05
First fall frost (32°F): 10/08

Seasonal Overview

Comfort ZoneSpring33°56°11.8"Summer65°70°13.6"Fall39°61°13.4"Winter23°29°11.2"20°40°60°80°100°

National Comparison

Warmer than 20% of US counties
Wetter than 76% of US counties
More seasonal variation than 69% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Hampshire County

Climate Verdict

Hampshire County has a cool, averaging 47.1°F annually, moderately wet with 50.0 inches of annual precipitation, rare extreme heat with only 7.666666666666667 days above 90°F annually, moderate snowfall of 51.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 23.3°F. summers are warm — July averages 70.1°F. The 47°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

Hampshire County closely matches the Massachusetts statewide average temperature of 49.5°F, it is somewhat wetter than average for Massachusetts.

Climate Profile

About Hampshire County Weather

Central Massachusetts Climate Profile

Hampshire County’s 47.1°F average temperature is well below both the national median and the 49.5°F state average. It features a rugged continental climate with substantial precipitation.

Among the State’s Coldest

Ranking below the state average, Hampshire is 2.4 degrees cooler than the typical Massachusetts county. Its January average of 23.3°F is nearly 9 degrees colder than coastal Dukes County.

Comparing Central Counties

Hampshire is cooler than its southern neighbor Hampden and its northern neighbor Franklin. However, it sees 51.0 inches of snow, which is less than Franklin’s 65.5 inches.

Snowy Winters and Mild Summers

The county receives 51.0 inches of snow and hits 90°F on 8 days each year. A January average of 23.3°F ensures that winter remains a dominant season for all residents.

Precipitation and Winter Prep

With 50.0 inches of annual precipitation, Hampshire is the wettest county in this group. Residents should focus on basement waterproofing and high-performance winter insulation for the home.

Frequently Asked Questions

What is the average temperature in Hampshire County?
The average annual temperature in Hampshire County, MA is 47.1°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Hampshire County get?
Hampshire County receives an average of 50.0 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 Hampshire County?
Yes, Hampshire County receives an average of 51.0 inches of snowfall per year according to NOAA climate normals.
How hot does Hampshire County get in summer?
The average summer temperature (June-August) in Hampshire County is 67.9°F. The county experiences an average of 8 days per year above 90°F.
How cold are winters in Hampshire County?
The average winter temperature (December-February) in Hampshire County is 25.8°F. January, typically the coldest month, averages 23.3°F.

Track your own weather in Hampshire 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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