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Highland County Climate

JanFebMarAprMayJunJulAugSepOctNovDec52.3°AVG °F

Avg Annual Temp

52.3°F

Annual Precip

46.7"

Annual Snowfall

18.1"

Extreme Heat Days

10

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.4"
3.3"
4.2"
4.8"
5.1"
4.8"
4.3"
3.7"
3.2"
3.2"
3.1"
3.6"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6b

Minimum winter temperature range for plant survival

Growing Degree Days

3,283

Supports most vegetables & fruits

Last spring frost (32°F): 04/24
First fall frost (32°F): 10/20

Seasonal Overview

Comfort ZoneSpring41°62°14.1"Summer70°73°12.8"Fall43°66°9.5"Winter29°34°10.3"20°40°60°80°100°

National Comparison

Warmer than 41% of US counties
Wetter than 64% of US counties
More seasonal variation than 56% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Highland County

Climate Verdict

Highland County has a mild, with an average annual temperature of 52.3°F, moderately wet with 46.7 inches of annual precipitation, rare extreme heat with only 9.5 days above 90°F annually, light snow averaging 18.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 29.1°F. summers are warm — July averages 73.2°F. The 44°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

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

Regional Context

Highland County closely matches the Ohio statewide average temperature of 51.5°F, it is also noticeably wetter, receiving 5.4 inches more precipitation than the state average.

Climate Profile

About Highland County Weather

Warmer Trends in Southern Ohio

Highland County maintains an annual average of 52.3°F, trending closer to the national median than its northern neighbors. This climate profile offers a slightly longer growing season than many other Midwestern locales.

Above the Ohio Temperature Average

With an average temperature of 52.3°F, Highland ranks among the warmer counties in the state, exceeding the 51.5°F Ohio average. It is also significantly wetter than the state norm, receiving 46.7 inches of precipitation annually.

Warmer and Wetter Than Adjacent Counties

Highland County's 52.3°F average outpaces Hocking County's 51.6°F mark. Additionally, Highland receives over 5 inches more annual precipitation than the state average, distinguishing it from drier neighbors like Henry County.

Milder Winters with Moderate Snowfall

Winter temperatures average a relatively mild 31.6°F, leading to a lower annual snowfall of 18.1 inches. In the summer, July peaks at 73.2°F with only 10 extreme heat days reaching above 90°F.

Prioritize Rain Readiness and Moisture Control

Given the high annual precipitation of 46.7 inches, residents should focus on high-capacity gutter systems and basement waterproofing. The moderate 10 days of extreme heat make Highland an ideal spot for summer outdoor recreation.

Frequently Asked Questions

What is the average temperature in Highland County?
The average annual temperature in Highland County, OH is 52.3°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Highland County get?
Highland County receives an average of 46.7 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 Highland County?
Yes, Highland County receives an average of 18.1 inches of snowfall per year according to NOAA climate normals.
How hot does Highland County get in summer?
The average summer temperature (June-August) in Highland County is 71.7°F. The county experiences an average of 10 days per year above 90°F.
How cold are winters in Highland County?
The average winter temperature (December-February) in Highland County is 31.6°F. January, typically the coldest month, averages 29.1°F.

Track your own weather in Highland 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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