Tennessee has an average annual temperature of
57.6°F
(across all 27 cities) with approximately
1311 mm of annual precipitation
and average humidity of 77%.
The warmest city is Cordova
with average July highs of 99.9°F,
while Kingsport
is the coldest with average January lows of 7.3°F.
This page covers 45 years of NASA POWER climate data (1981–2025)
including temperature, rainfall, humidity, wind speed, and solar radiation.
Aug is typically the warmest month across Tennessee with average highs around
96.4°F, while
Jan is the coldest with average lows near
10.4°F.
Dec is the wettest month with approximately
127 mm of rainfall on average.
Month
Max Temp
Min Temp
Avg Temp
Rain (mm)
Humidity
Wind (m/s)
Solar (kWh/m²)
Jan
63.7°F
10.4°F
37°F
105
84%
1.7
2.30
Feb
67.3°F
14.9°F
41.2°F
123
84%
1.7
2.90
Mar
73.8°F
21.6°F
47.7°F
124
81%
1.7
4.10
Apr
79.5°F
29.8°F
54.7°F
117
79%
1.6
5.20
May
84.7°F
42.1°F
63.5°F
127
79%
1.3
5.80
Jun
91.8°F
53.4°F
72.7°F
108
76%
1.1
6.20
Jul
95.7°F
60.3°F
77.9°F
121
73%
1.0
6.00
Aug
96.4°F
57.7°F
77°F
93
69%
1.0
5.50
Sep
93.2°F
46.4°F
69.8°F
93
68%
1.1
4.70
Oct
84.9°F
32.9°F
59°F
84
70%
1.2
3.70
Nov
75°F
23°F
49.1°F
108
76%
1.4
2.60
Dec
66°F
15.4°F
40.8°F
127
83%
1.5
2.00
📈 Tennessee Yearly Climate Trends
🌡️ Annual Temperature Trend
State-wide avg annual high & low · Last 10 years
📈 Tennessee Long-Term Climate Trends (1981–2025)
This chart shows how Tennessee's average temperatures have shifted across 45 years.
Use the range buttons to focus on recent decades or view the full historical record.
Data is averaged across all 27 cities in the state.
🌧️ Annual Precipitation Trend
State-wide avg annual precipitation · Last 10 years · mm/year
🔗 Explore Cities in Tennessee
Browse detailed weather history, monthly averages, and 45-year climate trends for every city in Tennessee.
Collierville is the wettest city in Tennessee with approximately 1389 mm of annual precipitation on average. View Collierville weather history →
What is the warmest month in Tennessee?▼
Aug is the warmest month across Tennessee, with state-wide average highs of 96.4°F and average lows of 57.7°F.
How many cities in Tennessee have weather data?▼
TownPillar has historical weather data for 27 cities in Tennessee, covering 45 years of NASA POWER climate records from 1981 to 2025.
Which month has the most sunshine in Tennessee?▼
Jun is the sunniest month across Tennessee with an average solar radiation of 6.20 kWh/m²/day state-wide. This solar radiation data from NASA POWER is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability.
Where does this climate data come from?▼
All data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis data. It includes monthly temperature, precipitation, humidity, wind speed, and solar radiation at 0.5° × 0.625° spatial resolution.
📚 Data Source
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources). Data covers 45 years (1981–2025) across 27 cities in Tennessee at monthly temporal resolution.