Park climate1991–2020 climate normals866 m source elevationNASA POWER

Analyze annual trends in average temperature, daily precipitation rates, and daylight hours

Great Smoky Mountains National Park: monthly climate

Name: Great Smoky Mountains National Park monthly climate normals
Creator: NASA POWER

At the representative location for Great Smoky Mountains National Park, monthly mean temperatures range from 1 to 22.1 °C (1991–2020). Compare precipitation, humidity, wind, and daylight for each month.

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Annual climate pattern

Examining thirty-year climate normals and daily precipitation averages across a twelve-month cycle

Monthly Temperature and Precipitation Patterns in Great Smoky Mountains National Park

Long-term averages at a representative coordinate of 865.97 meters show monthly means rising from an average of 0.97 degrees Celsius in January to 22.07 degrees Celsius in July. Based on 1991 to 2020 climatology, average daily precipitation stays relatively consistent, ranging from 2.84 millimeters in October to 4.18 millimeters in February.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 11.9 °C
Warmest month: July
Coolest month: January
Wettest month: February

Twelve-month climate

Long-term averages for temperature bounds, daily precipitation rates, and calculated daylight hours

Great Smoky Mountains National Park Climate Profiles: Twelve-Month Weather by Month Comparisons

Climatological data from a representative mountain coordinate allows for direct tracking of average temperature ranges and daily precipitation rates across the calendar year. Analyzing twelve distinct monthly records provides a clear overview of seasonal shifts in relative humidity, wind speed, and calculated daylight.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	1 °C-14.1° to 15.4°	4 mm/day	83.6%	2.6 m/s	9.9 hours
February	2.7 °C-10.7° to 16.7°	4.2 mm/day	83%	2.6 m/s	10.7 hours
March	6.6 °C-7.9° to 20.7°	4.1 mm/day	80.9%	2.6 m/s	11.8 hours
April	11.6 °C-3.1° to 24.3°	4 mm/day	78.3%	2.4 m/s	12.9 hours
May	16.2 °C2.8° to 26.9°	3.7 mm/day	79.4%	1.9 m/s	13.9 hours
June	20.1 °C9.1° to 29.8°	4 mm/day	78.7%	1.5 m/s	14.4 hours
July	22.1 °C12.8° to 31.3°	4.1 mm/day	77%	1.4 m/s	14.1 hours
August	21.7 °C11.8° to 31.5°	3.5 mm/day	74.4%	1.4 m/s	13.3 hours
September	18.5 °C5.8° to 30.1°	3.5 mm/day	73.5%	1.6 m/s	12.2 hours
October	12.5 °C-1.9° to 25.9°	2.8 mm/day	74.1%	1.9 m/s	11 hours
November	6.5 °C-6.3° to 21.1°	3.7 mm/day	76.7%	2.2 m/s	10.1 hours
December	2.6 °C-9.9° to 16.5°	4.1 mm/day	82.8%	2.3 m/s	9.6 hours

Compare two months

See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.

First month

Second month

Mean temperature: January: 1 °C; July: 22.1 °C; Change from January to July: +21.1 °C
Precipitation: January: 4 mm/day; July: 4.1 mm/day; Change from January to July: +0.1 mm/day
Daylight: January: 9.9 hours; July: 14.1 hours; Change from January to July: +4.3 hours

Calculated climate highlights

Analyzing annual variations in relative humidity, precipitation rates, wind speed, and daylight duration

Calculated Monthly Climate Highlights for Great Smoky Mountains National Park

Long-term data from a representative elevation in Great Smoky Mountains National Park reveal the calculated warmest, coolest, wettest, and driest months. Comparative long-term averages simplify complex seasonal trends for temperature, wind, and humidity without representing absolute weather records or local extremes.

Warmest month: July22.1 °C
Coolest month: January1 °C
Wettest month: February4.2 mm/day
Driest month: October2.8 mm/day
Most humid month: January83.6%
Windiest month: February2.6 m/s
Longest daylight: June14.4 hours

Interactive climate map

National park climate map

Open the climate map to compare monthly temperature, precipitation, and other averages.

Global National Park Climate Map

Other park climates

Analyze monthly climate normals and weather patterns across diverse park landscapes.

Compare Great Smoky Mountains National Park Climate Profiles Across Regional Landscapes

Standardized climate profiles offer a direct path to contrast the historical temperature and precipitation rhythms of Great Smoky Mountains National Park with other regional protected territories. Examining long-term monthly baselines for humidity, wind, and daylight reveals the distinct atmospheric conditions that shape different wilderness preserves.