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Lake County Climate

Lake County, Tennessee

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec59.5°AVG °F

Avg Annual Temp

59.5°F

Annual Precip

52.0"

Annual Snowfall

6.6"

Extreme Heat Days

49

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet❄= snowfall
❄3.7"
❄4.3"
❄4.9"
5.8"
5.7"
4.1"
3.7"
2.9"
3.5"
❄4.3"
❄4.3"
❄4.8"
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

Seasonal Overview

Comfort ZoneSpring49°69°16.3"Summer77°80°10.7"Fall49°72°12.1"Winter37°41°12.9"20°40°60°80°100°

National Comparison

Warmer than 69% of US counties
Wetter than 82% of US counties
More seasonal variation than 54% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Lake County

Climate Verdict

Lake County has a mild, with an average annual temperature of 59.5°F, moderately wet with 52.0 inches of annual precipitation, occasional hot days — 49.150000000000006 per year above 90°F, light snow averaging 6.6 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 36.6°F. summers are hot, with July averaging 80.4°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

Lake County closely matches the Tennessee statewide average temperature of 58.0°F, it is somewhat drier than average for Tennessee.

Frequently Asked Questions

What is the average temperature in Lake County?
The average annual temperature in Lake County, TN is 59.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Lake County get?
Lake County receives an average of 52.0 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 Lake County?
Yes, Lake County receives an average of 6.6 inches of snowfall per year according to NOAA climate normals.
How hot does Lake County get in summer?
The average summer temperature (June-August) in Lake County is 78.8°F. The county experiences an average of 49 days per year above 90°F.
How cold are winters in Lake County?
The average winter temperature (December-February) in Lake County is 39.1°F. January, typically the coldest month, averages 36.6°F.

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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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