Rainy days · Tennessee
How often does it rain in Knoxville?
Knoxville gets more inches of rain than most cities we track and spends all of it on very green hills.
Knoxville gets measurable rain or snow on about 129 days a year, adding up to about 52 inches.
November usually brings Knoxville about 9 wet days and 4.2 inches. The wettest month is usually March, with about 13 wet days, and the driest is September, with about 8 wet days. That makes Knoxville number 34 of the 129 US cities we track, rainiest first.
Last updated
No rain in the forecast for the next 48 hours.
Live 48-hour check from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Rainy days, month by month
| Month | Wet days | Inches |
|---|---|---|
| January | 12 | 4.8 |
| February | 12 | 4.8 |
| March | 13 | 4.9 |
| April | 11 | 4.7 |
| May | 11 | 4.1 |
| June | 12 | 4.2 |
| July | 12 | 5.3 |
| August | 10 | 3.6 |
| September | 8 | 3.5 |
| October | 8 | 2.8 |
| November | 9 | 4.2 |
| December | 12 | 5.0 |
Cities with about as many rainy days
- Boston, Massachusetts: about 128 wet days a year
- Indianapolis, Indiana: about 128 wet days a year
- Louisville, Kentucky: about 127 wet days a year
Source: NOAA daily precipitation records for the Knoxville area, 1991 to 2020 (at least 30 complete years behind every month), via the Applied Climate Information System. A wet day here means at least a hundredth of an inch of rain or melted snow.