Climate averages 1991–2020
Knoxville weather
in October.
A mild, moderately wet month: the 6th warmest and the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Knoxville: daytime highs average 20.9°C and nights cool to about 10.5°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 74 mm of rain on roughly 8 days, which makes October a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 18 min on an average October day.
The nearest other city in this atlas is Asheville (130 km away). In October its highs average 18.9°C, 2.0°C cooler than Knoxville, with 79 mm of rain.
Among the 498 cities listed in the United States, Knoxville ranks 268th of 498 for the warmest October highs and joint 230th of 498 for the driest October (rainfall, lowest first). The mean October high of those 498 cities is 21.4°C; Knoxville is 0.4°C cooler than that mean.
From October to November, average highs fall by 6.3°C to 14.6°C, and monthly rainfall rises from 74 mm to 96 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Knoxville climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.3°C-0.6°C | -0.6°C | 111 | 10.7 | 10.010 h |
| February | 10.6°C0.8°C | 0.8°C | 110 | 10.9 | 10.911 h |
| March | 15.0°C4.2°C | 4.2°C | 123 | 12.2 | 11.912 h |
| April | 20.0°C8.8°C | 8.8°C | 109 | 10.9 | 13.113 h |
| May | 24.1°C13.8°C | 13.8°C | 94 | 11.7 | 14.014 h |
| June | 28.3°C18.3°C | 18.3°C | 93 | 13.2 | 14.615 h |
| July | 29.8°C20.5°C | 20.5°C | 119 | 14.8 | 14.314 h |
| August | 29.4°C19.9°C | 19.9°C | 86 | 11.4 | 13.514 h |
| September | 26.7°C16.8°C | 16.8°C | 90 | 8.3 | 12.412 h |
| October, selected | 20.9°C10.5°C | 10.5°C | 74 | 7.7 | 11.311 h |
| November | 14.6°C4.5°C | 4.5°C | 96 | 8.9 | 10.310 h |
| December | 9.9°C1.2°C | 1.2°C | 117 | 10.6 | 9.810 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Asheville in OctoberUnited States · 130 kmHigh 18.9°C · Low 8.5°C · 79 mm rain
- East Chattanooga in OctoberUnited States · 156 kmHigh 21.8°C · Low 11.8°C · 84 mm rain
- Chattanooga in OctoberUnited States · 162 kmHigh 22.0°C · Low 12.0°C · 84 mm rain
- Johns Creek in OctoberUnited States · 216 kmHigh 22.1°C · Low 12.6°C · 86 mm rain
- Roswell in OctoberUnited States · 219 kmHigh 21.8°C · Low 12.3°C · 86 mm rain
- Murfreesboro in OctoberUnited States · 223 kmHigh 21.8°C · Low 12.0°C · 86 mm rain
- Athens, United States in OctoberUnited States · 228 kmHigh 22.7°C · Low 12.8°C · 84 mm rain
- Sandy Springs in OctoberUnited States · 230 kmHigh 21.9°C · Low 12.4°C · 83 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Knoxville) is explained once on the Knoxville year overview and on the Sources, method and limits page.