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Marshall County Climate

Marshall County, Kentucky

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec59.1°AVG °F

Avg Annual Temp

59.1°F

Annual Precip

55.8"

Annual Snowfall

Extreme Heat Days

51

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
3.5"
5.5"
5.4"
5.9"
5.5"
4.9"
4.5"
3.6"
3.8"
3.8"
4.4"
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

4,786

Excellent for heat-loving crops

Last spring frost (32°F): 03/30
First fall frost (32°F): 11/04

Seasonal Overview

Comfort ZoneSpring50°68°16.8"Summer76°80°13.0"Fall49°72°12.0"Winter36°40°14.0"20°40°60°80°100°

National Comparison

Warmer than 68% of US counties
Wetter than 89% of US counties
More seasonal variation than 53% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Marshall County

Climate Verdict

Marshall County has a mild, with an average annual temperature of 59.1°F, very wet conditions receiving 55.8 inches of precipitation annually, occasional hot days — 51 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 36.0°F. summers are warm — July averages 79.7°F. The 44°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

Marshall County is 3.1°F warmer than the Kentucky statewide average of 56.0°F, it is also noticeably wetter, receiving 5.4 inches more precipitation than the state average, the county experiences 21.334065934065936 more extreme heat days than the state average.

Climate Profile

About Marshall County Weather

Warmer and Wetter Than National Norms

Marshall County averages a warm 59.1°F annually, placing it significantly higher than the national median temperature. This region is characterized by high humidity and heavy rainfall totaling 55.8 inches per year.

One of Kentucky's Warmest Counties

At 59.1°F, Marshall County is nearly three degrees warmer than the Kentucky state average of 56.2°F. It ranks as one of the warmest locations in the Commonwealth due to its western position.

A Leader in Regional Heat

Marshall is warmer than McCracken County to the west and Meade County to the east. Its 51 extreme heat days far outpace the state norm, marking it as a regional hotspot.

Intense Heat Without the Snow

July averages nearly 80°F, and the county endures 51 days each year where temperatures top 90°F. While specific snowfall data is limited, winter averages remain mild at 38.7°F.

Invest in High-Efficiency Cooling

The primary climate challenge here is managing nearly two months of extreme summer heat. Residents should prioritize air conditioning maintenance and stay hydrated during the humid summer peak.

Frequently Asked Questions

What is the average temperature in Marshall County?
The average annual temperature in Marshall County, KY is 59.1°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Marshall County get?
Marshall County receives an average of 55.8 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Marshall County get in summer?
The average summer temperature (June-August) in Marshall County is 78.4°F. The county experiences an average of 51 days per year above 90°F.
How cold are winters in Marshall County?
The average winter temperature (December-February) in Marshall County is 38.7°F. January, typically the coldest month, averages 36.0°F.

Track your own weather in Marshall 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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