Knoxville Weather in July

The climate in Knoxville during July can be summarized as hot and damp.

July is in the summer in Knoxville and is typically the warmest month of the year. Daytime maximum temperatures average around 31°C (87°F), whilst at night 18°C (64°F) is normal.

On average July is the 2nd wettest month of the year in Knoxville with around 112mm 4.4 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.4 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Knoxville in July 2025.