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Hart County Climate

JanFebMarAprMayJunJulAugSepOctNovDec54.8°AVG °F

Avg Annual Temp

54.8°F

Annual Precip

52.7"

Annual Snowfall

Extreme Heat Days

26

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
4.0"
4.5"
5.2"
4.9"
5.7"
4.8"
4.3"
3.3"
3.6"
3.6"
3.7"
5.1"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7a

Minimum winter temperature range for plant survival

Growing Degree Days

3,718

Supports most vegetables & fruits

Last spring frost (32°F): 04/21
First fall frost (32°F): 10/18

Seasonal Overview

Comfort ZoneSpring44°64°15.7"Summer72°76°12.5"Fall44°68°10.8"Winter33°37°13.6"20°40°60°80°100°

National Comparison

Warmer than 50% of US counties
Wetter than 83% of US counties
More seasonal variation than 49% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Hart County

Climate Verdict

Hart County has a mild, with an average annual temperature of 54.8°F, moderately wet with 52.7 inches of annual precipitation, occasional hot days — 25.6 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 32.7°F. summers are warm — July averages 75.6°F. The 43°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

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

Regional Context

Hart County closely matches the Kentucky statewide average temperature of 56.0°F, it is somewhat wetter than average for Kentucky.

Climate Profile

About Hart County Weather

A mild climate above national averages

Hart County maintains an average annual temperature of 54.8°F, placing it slightly above the national median. As a humid subtropical climate, it experiences a blend of warm summers and moderately cool winters.

Cooler than the Kentucky state average

The county's 54.8°F annual average is notably cooler than the Kentucky state average of 56.2°F. Despite being cooler, it receives 52.7 inches of annual precipitation, which is over two inches more than the state norm.

Milder winters than northern neighbors

Compared to Larue County at 56.7°F, Hart stays a bit cooler on an annual basis. However, its January average of 32.7°F is similar to regional trends, keeping the ground frequently frozen mid-winter.

Defined seasons with moderate heat

Summers are warm with a July average of 75.6°F, and the area faces 26 extreme heat days above 90°F each year. Winter brings a chilly average of 35.1°F during the coldest months from December through February.

Prepare for significant annual rainfall

With 52.7 inches of rain annually, residents should prioritize effective drainage and gutter maintenance. You will need reliable HVAC systems to manage 26 days of intense summer heat and sub-freezing January nights.

Frequently Asked Questions

What is the average temperature in Hart County?
The average annual temperature in Hart County, KY is 54.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Hart County get?
Hart County receives an average of 52.7 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Hart County get in summer?
The average summer temperature (June-August) in Hart County is 73.8°F. The county experiences an average of 26 days per year above 90°F.
How cold are winters in Hart County?
The average winter temperature (December-February) in Hart County is 35.1°F. January, typically the coldest month, averages 32.7°F.

Track your own weather in Hart 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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