weatherbycounty

Clark County Climate

JanFebMarAprMayJunJulAugSepOctNovDec55.2°AVG °F

Avg Annual Temp

55.2°F

Annual Precip

52.9"

Annual Snowfall

Extreme Heat Days

37

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
3.6"
3.6"
4.8"
5.2"
5.9"
5.1"
4.7"
4.0"
3.6"
4.0"
3.8"
4.5"
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

Seasonal Overview

Comfort ZoneSpring44°65°15.8"Summer74°76°13.8"Fall44°68°11.4"Winter32°36°11.8"20°40°60°80°100°

National Comparison

Warmer than 52% of US counties
Wetter than 84% of US counties
More seasonal variation than 58% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Clark County

Climate Verdict

Clark County has a mild, with an average annual temperature of 55.2°F, moderately wet with 52.9 inches of annual precipitation, occasional hot days — 36.7 per year above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 31.8°F. summers are warm — July averages 76.4°F. The 45°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.

Regional Context

Clark County closely matches the Indiana statewide average temperature of 52.4°F, it is also noticeably wetter, receiving 8.6 inches more precipitation than the state average, the county experiences 17.14851190476191 more extreme heat days than the state average.

Frequently Asked Questions

What is the average temperature in Clark County?
The average annual temperature in Clark County, IN is 55.2°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Clark County get?
Clark County receives an average of 52.9 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Clark County get in summer?
The average summer temperature (June-August) in Clark County is 75.0°F. The county experiences an average of 37 days per year above 90°F.
How cold are winters in Clark County?
The average winter temperature (December-February) in Clark County is 34.3°F. January, typically the coldest month, averages 31.8°F.

Track your own weather in Clark 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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