Knoxville weather in July
Temperature, rain and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Fair
Best time to visit: April – May, September – October
What is the weather like in Knoxville in July?
In July, Knoxville is hot: daytime highs average 30 °C, and even at night it stays warm at around 21 °C. The sun shines for around 7 hours a day. It rains often – on about 15 days, adding up to 120 mm. On about 17 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Knoxville.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 14 h 23 min06:30 – 20:53
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 24 daysdew point 18 °C or moreAll months
- Wind
- 10 km/haverage daily peakAll months
- Cloud cover
- 58 %on averageAll months
- Hot days
- 17 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 50 %61 %
- Sunshineweight 20 %70 %
- Few rainy daysweight 30 %24 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in July
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Knoxville in July: quick answers
Is Knoxville hot in July?
Yes. In July, Knoxville is hot: daytime highs average 30 °C and nights stay around 21 °C. On about 17 days the thermometer climbs to 30 °C or more.
Does it rain much in Knoxville in July?
It rains often – on about 15 days, adding up to 120 mm.
Knoxville month by month
The whole year in KnoxvilleAll destinations: USAWhere to go in July
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences