Knoxville in August
7.2out of 10
Possible, with caveats
Hot: daytime highs around 30°C. Frequent rain: about 12 rainy days.
30°CAvg high
20°CAvg low
12Rainy days (86 mm)
13:22 hDaylight
06:59Sunrise · 20:21 Sunset
Why this score
- Hot: daytime highs around 30°C
- Frequent rain: about 12 rainy days
What to wear and pack
- Light, breathable clothing
- Shorts or a light skirt
- Rain jacket or compact umbrella
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rain in August varies a lot between years (±3.5 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 9°C | 0°C | 111 mm | 11 | – | – | 5.3 |
| February | 11°C | 2°C | 109 mm | 11 | – | – | 5.7 |
| March | 16°C | 5°C | 123 mm | 12 | – | – | 6.3 |
| April | 21°C | 10°C | 109 mm | 11 | – | – | 7.4 |
| May | 25°C | 15°C | 94 mm | 12 | – | – | 7.4 |
| June | 29°C | 19°C | 93 mm | 14 | – | – | 7.2 |
| July | 30°C | 21°C | 119 mm | 15 | – | – | 6.5 |
| August | 30°C | 20°C | 86 mm | 12 | – | – | 7.2 |
| September | 27°C | 17°C | 90 mm | 9 | – | – | 7.9 |
| October | 22°C | 10°C | 74 mm | 8 | – | – | 8.0 |
| November | 15°C | 5°C | 95 mm | 9 | – | – | 6.8 |
| December | 10°C | 2°C | 118 mm | 10 | – | – | 5.6 |
Frequently asked questions
How hot is Knoxville in August?
Daytime highs average 30°C and nights about 20°C.
When is the best time to visit Knoxville?
The best months are October, September, April, May.