United States of America
Knoxville sees feels-like daytime highs peak around 37.7°C in July and nighttime lows bottom out near 0.2°C in January. December is the wettest month (~105 mm), while October is the driest (~70 mm). For sunshine, September leads with about 65% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are April, October, and May — expect around 12.6–24.5°C with roughly 34% chance of rain on a given day in April.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | 0.2° / 8.3° | 25% | 98 mm | 46% | 8.9 kph |
| February | 1.8° / 10.8° | 25% | 93 mm | 47% | 9.3 kph |
| March | 6.7° / 17.8° | 32% | 103 mm | 50% | 9.4 kph |
| April☀ | 12.6° / 24.5° | 34% | 99 mm | 54% | 8.9 kph |
| May☀ | 18° / 30.5° | 40% | 95 mm | 53% | 7.6 kph |
| June | 23.7° / 35.1° | 44% | 89 mm | 55% | 6.4 kph |
| July | 26.4° / 37.7° | 45% | 93 mm | 58% | 5.9 kph |
| August | 25° / 36.1° | 37% | 78 mm | 64% | 5.8 kph |
| September | 19.7° / 31.1° | 27% | 73 mm | 65% | 6.4 kph |
| October☀ | 12.5° / 23.1° | 24% | 70 mm | 64% | 7.3 kph |
| November | 6.3° / 16.3° | 27% | 89 mm | 56% | 8 kph |
| December | 1.6° / 9.7° | 29% | 105 mm | 47% | 8.5 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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