weatherbycounty

Logan County Climate

JanFebMarAprMayJunJulAugSepOctNovDec51.3°AVG °F

Avg Annual Temp

51.3°F

Annual Precip

42.1"

Annual Snowfall

Extreme Heat Days

16

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
2.9"
2.4"
3.1"
4.1"
4.4"
4.8"
4.5"
3.8"
3.2"
2.9"
3.2"
2.9"
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

3,239

Supports most vegetables & fruits

Last spring frost (32°F): 04/26
First fall frost (32°F): 10/27

Seasonal Overview

Comfort ZoneSpring39°61°11.6"Summer70°73°13.1"Fall42°66°9.2"Winter26°32°8.2"20°40°60°80°100°

National Comparison

Warmer than 36% of US counties
Wetter than 51% of US counties
More seasonal variation than 69% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Logan County

Climate Verdict

Logan County has a mild, with an average annual temperature of 51.3°F, moderately wet with 42.1 inches of annual precipitation, rare extreme heat with only 16.2 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 26.4°F. summers are warm — July averages 73.4°F. The 47°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

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

Regional Context

Logan County closely matches the Ohio statewide average temperature of 51.5°F.

Climate Profile

About Logan County Weather

Cooler Midwestern Continental Zone

Logan County averages 51.3°F annually, making it slightly cooler than the national median. This climate features distinct seasonal shifts typical of the inland Ohio plateau.

Just Below State Averages

The county's 51.3°F average is slightly cooler than the 51.5°F state average. It experiences more frequent extreme heat than Lake County despite having the same annual average.

Slightly Drier Than Madison

Logan County receives 42.1 inches of precipitation, nearly identical to the state average. This is slightly less than the 42.3 inches seen in neighboring Madison County.

Sharp Summer Heat Peaks

Despite its northern lean, Logan County sees 16 days of 90°F weather each year. Winters are cold with a 29.4°F average, though specific annual snowfall totals are not currently recorded.

Manage Summer Humidity Spikes

With 16 extreme heat days, residents should ensure air conditioning units are serviced by late May. Outdoor planning should account for the 42.1 inches of rain distributed throughout the year.

Frequently Asked Questions

What is the average temperature in Logan County?
The average annual temperature in Logan County, OH is 51.3°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Logan County get?
Logan County receives an average of 42.1 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Logan County get in summer?
The average summer temperature (June-August) in Logan County is 71.9°F. The county experiences an average of 16 days per year above 90°F.
How cold are winters in Logan County?
The average winter temperature (December-February) in Logan County is 29.4°F. January, typically the coldest month, averages 26.4°F.

Track your own weather in Logan 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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