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Henry County Climate

JanFebMarAprMayJunJulAugSepOctNovDec50.4°AVG °F

Avg Annual Temp

50.4°F

Annual Precip

45.7"

Annual Snowfall

26.7"

Extreme Heat Days

9

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.3"
2.5"
3.6"
4.6"
5.1"
5.3"
4.6"
3.5"
3.1"
3.3"
3.5"
3.1"
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

3,058

Supports most vegetables & fruits

Last spring frost (32°F): 04/27
First fall frost (32°F): 10/17

Seasonal Overview

Comfort ZoneSpring38°61°13.3"Summer69°72°13.5"Fall41°65°10.0"Winter26°31°9.0"20°40°60°80°100°

National Comparison

Warmer than 32% of US counties
Wetter than 60% of US counties
More seasonal variation than 67% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Henry County

Climate Verdict

Henry County has a mild, with an average annual temperature of 50.4°F, moderately wet with 45.7 inches of annual precipitation, rare extreme heat with only 8.6 days above 90°F annually, moderate snowfall of 26.7 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 25.6°F. summers are warm — July averages 72.1°F. The 46°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

Growing season and gardening data is currently limited for Henry County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Henry County closely matches the Indiana statewide average temperature of 52.4°F.

Climate Profile

About Henry County Weather

Cooler and Snowier National Profile

With an average of 50.4°F, Henry County is cooler than the national median and the Indiana average. It represents a transition into the more rugged weather patterns of the upper Midwest.

Lower Temperatures Than State Norms

The county's 50.4°F average is nearly two degrees cooler than the Indiana state average of 52.2°F. It is also significantly snowier, receiving 26.7 inches compared to many central counties.

Cooler Conditions Than Hancock County

Henry is notably cooler than neighboring Hancock County, which sits at 51.9°F. It also receives nearly seven more inches of snow annually than its western neighbors.

Mild Summers and Harsher Winters

Summers are mild at 70.7°F with only 9 days reaching 90°F. Winters are harsher, averaging 28.4°F and delivering over 26 inches of seasonal snow.

Plan for a Shorter Growing Season

Prepare for a shorter growing season and more snow shoveling than in neighboring counties. Efficient heating systems are a must for the 25.6°F January nights.

Frequently Asked Questions

What is the average temperature in Henry County?
The average annual temperature in Henry County, IN is 50.4°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Henry County get?
Henry County receives an average of 45.7 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 Henry County?
Yes, Henry County receives an average of 26.7 inches of snowfall per year according to NOAA climate normals.
How hot does Henry County get in summer?
The average summer temperature (June-August) in Henry County is 70.7°F. The county experiences an average of 9 days per year above 90°F.
How cold are winters in Henry County?
The average winter temperature (December-February) in Henry County is 28.4°F. January, typically the coldest month, averages 25.6°F.

Track your own weather in Henry 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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