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Monroe County Climate

Monroe County, Tennessee

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec59.2°AVG °F

Avg Annual Temp

59.2°F

Annual Precip

55.3"

Annual Snowfall

2.8"

Extreme Heat Days

55

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
4.6"
4.9"
4.9"
4.8"
4.9"
4.5"
5.3"
4.1"
4.1"
3.1"
4.8"
5.2"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7b

Minimum winter temperature range for plant survival

Growing Degree Days

4,545

Excellent for heat-loving crops

Last spring frost (32°F): 04/13
First fall frost (32°F): 10/24

Seasonal Overview

Comfort ZoneSpring51°68°14.6"Summer75°78°14.0"Fall48°71°12.0"Winter39°43°14.7"20°40°60°80°100°

National Comparison

Warmer than 68% of US counties
Wetter than 88% of US counties
More seasonal variation than 30% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Monroe County

Climate Verdict

Monroe County has a mild, with an average annual temperature of 59.2°F, very wet conditions receiving 55.3 inches of precipitation annually, occasional hot days — 55.4 per year above 90°F, light snow averaging 2.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 39.2°F. summers are warm — July averages 78.1°F. The 39°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

Monroe County closely matches the Tennessee statewide average temperature of 58.0°F, the county experiences 18.940071684587828 more extreme heat days than the state average.

Climate Profile

About Monroe County Weather

Warm Eastern Tennessee Plateaus

Monroe County averages 59.2°F annually, placing it several degrees above the national median temperature of 55°F. It features a humid subtropical climate typical of the Southern Appalachian foothills.

One of East Tennessee's Warmer Spots

At 59.2°F, Monroe County is over a full degree warmer than the Tennessee state average of 58.1°F. This puts it among the warmer tier of counties in the eastern portion of the state.

Similar Rainfall to State Averages

Monroe receives 55.3 inches of rain, which is very close to the Tennessee average of 55.9 inches. It experiences significantly more extreme heat days than neighboring Morgan County.

Nearly Two Months of Extreme Heat

Monroe records 55 days a year with temperatures hitting 90°F or higher. Winters stay relatively mild with 2.8 inches of snow and a January average of 39.2°F.

Energy Audits for Summer Efficiency

With 55 heat days, checking home insulation can significantly reduce summer cooling costs. Winter planning should focus on ice prep rather than heavy snow, given the low 2.8-inch average.

Frequently Asked Questions

What is the average temperature in Monroe County?
The average annual temperature in Monroe County, TN is 59.2°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Monroe County get?
Monroe County receives an average of 55.3 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 Monroe County?
Yes, Monroe County receives an average of 2.8 inches of snowfall per year according to NOAA climate normals.
How hot does Monroe County get in summer?
The average summer temperature (June-August) in Monroe County is 76.7°F. The county experiences an average of 55 days per year above 90°F.
How cold are winters in Monroe County?
The average winter temperature (December-February) in Monroe County is 41.6°F. January, typically the coldest month, averages 39.2°F.

Track your own weather in Monroe 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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