NOAA NCEI Climate Normals 1991–2020
Tennessee Weather by Month
Temperature, rain and the hurricane season at 115 Tennessee stations, month by month.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
The median station records 55.9 inches of precipitation a year; Monteagle, TN records the most, 67.1 inches, and Bristol Tri City Airport, TN the least, 44.0 (1.5 times as much). July is the hottest month at the median station (average high 89°F); the hottest July is at Memphis International Airport, TN, 92°F. January is the coldest (average low 28°F); the coldest January nights are at Tazewell, TN, 23°F. Highs reach 90°F on 41 days a year at the median station and on 78 at Germantown 4SE, TN, the most. Snowfall is heaviest at Jamestown, TN, 18.9 inches a year; 1 of the 92 stations that measure snow average less than half an inch.
This page compares the 1991–2020 NOAA climate normals of 115 Tennessee weather stations, each the nearest station with full normals to at least one of the 339 Tennessee cities on this site that have one within 25 miles.
At the median station, December is the wettest month (5.4 inches) and October the driest (3.6). Station by station, the wettest month is May at 35, December at 33 and July at 17 of the 115, and the driest October at 69, August at 28 and September at 15. The gap between the wettest and driest station is widest in December: 3.2 inches.
Month by month across Tennessee
High, low and precipitation are the median of the 115 stations; the station columns name the station with the highest average high, the lowest average low, and the most and least precipitation that month, each linked to the city page it serves. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Hurricane season in Tennessee
June to November, the hurricane season months, bring 45% of the year's precipitation at the median station, from 43% at Manchester #2, TN to 51% at Erwin 1 W, TN. Since 1851, 30 tropical systems have passed within 75 miles of a Tennessee city on this site, 0 of them at hurricane strength at their closest point to one; September has brought the most (12), then October (8). None came outside June to November.
| Month | Tropical systems | At hurricane strength | Median precip. in |
|---|---|---|---|
| Jan | 0 | 0 | 4.6 |
| Feb | 0 | 0 | 4.9 |
| Mar | 0 | 0 | 5.3 |
| Apr | 0 | 0 | 5.2 |
| May | 0 | 0 | 5.1 |
| Jun | 2 | 0 | 4.7 |
| Jul | 1 | 0 | 4.9 |
| Aug | 7 | 0 | 3.8 |
| Sep | 12 | 0 | 3.9 |
| Oct | 8 | 0 | 3.6 |
| Nov | 0 | 0 | 4.2 |
| Dec | 0 | 0 | 5.4 |
Tropical systems from NOAA NHC HURDAT2 that passed within 75 miles of a Tennessee city on this site, each counted once, in the month of its first such pass; hurricane strength is the track's wind at its closest point to a city.
Tennessee cities and their stations
| City | Station | Miles | Hottest month high °F | Coldest month low °F | Year precip. in |
|---|---|---|---|---|---|
| Memphis | Memphis International Airport, TN | 5 | 92 | 33 | 55.0 |
| Nashville | Nashville International Airport, TN | 5 | 91 | 30 | 50.6 |
| Chattanooga | Chattanooga Lovell Airport, TN | 3 | 91 | 32 | 55.0 |
| Clarksville | Clarksville Wwtp, TN | <1 | 90 | 28 | 53.6 |
| Antioch | Nashville Berry Field, TN | 4 | 91 | 29 | 50.7 |
| Cleveland | Cleveland Fltr Plt, TN | 6 | 89 | 29 | 57.7 |
| Jackson | Jackson Exp Stn, TN | 3 | 91 | 27 | 57.2 |
| Cordova | Memphis WFO, TN | 3 | 91 | 30 | 57.2 |
| Hendersonville | Old Hickory Dam, TN | 3 | 90 | 27 | 48.0 |
| Mount Juliet | Old Hickory WFO, TN | 5 | 89 | 28 | 54.7 |
| Smyrna | Gladeville, TN | 9 | 90 | 26 | 54.3 |
| Brentwood | Franklin Sewage Plt, TN | 6 | 91 | 29 | 54.0 |
| Bartlett | Memphis WFO, TN | 7 | 91 | 30 | 57.2 |
| Arlington | Memphis WFO, TN | 11 | 91 | 30 | 57.2 |
| Germantown | Germantown 4SE, TN | 3 | 92 | 31 | 55.4 |
| Madison | Old Hickory Dam, TN | 4 | 90 | 27 | 48.0 |
| Hermitage | Old Hickory WFO, TN | 5 | 89 | 28 | 54.7 |
| La Vergne | Gladeville, TN | 9 | 90 | 26 | 54.3 |
| Nolensville | Franklin Sewage Plt, TN | 11 | 91 | 29 | 54.0 |
| Old Hickory | Old Hickory WFO, TN | 3 | 89 | 28 | 54.7 |
| Cosby | Waterville 2, NC | 9 | 86 | 29 | 53.9 |
| Harrogate | Tazewell, TN | 9 | 85 | 23 | 54.6 |
| Gatlinburg | Gatlinburg 2 SW, TN | 5 | 83 | 27 | 58.2 |
| Whites Creek | Old Hickory Dam, TN | 9 | 90 | 27 | 48.0 |
| Cornersville | Lewisburg Exp Stn, TN | 6 | 91 | 28 | 56.1 |
How stations are matched to cities and what normals are: methodology · other states by month