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Knoxville in July: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Knoxville in July will be like? Take a look at our weather guide for Knoxville, based on historical data.
Check flight prices to Knoxville on Avionero:
July

Weather in Knoxville in July 2026

OK Weather
Hot
🌧️
Rainy
If you plan to visit Knoxville in July, the weather is typically alright, with an average high temperature of +88°F during the day and approximately 4 sunny days. Expect some rainy, though, as there are typically 19 rainy days in the month and around 125 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • July is usually the hottest month of the year in Knoxville;

Average weather

☀️
+88°F
Avg. max. temperature
+55°F
Min.
+102°F
Max.
125 mm
Total precipitation
75%
Avg. humidity
1 m/s
Avg. wind
4 ☀️
Sunny Days
5 ⛅️
Cloudy
19 🌦
Rainy
Our opinion: Knoxville has OK weather in July.

Average temperature in Knoxville in July

Here are the expected maximum, average and minimum temperatures in Knoxville for July based on the historical data.
Last Year
Historical Data

Going from a maximum of +95°F during the day to a minimum of +61°F during the night, the temperature in July averages around +88°F.

The average maximum temperature goes down 11% by the end of the month, compared with the beginning of the month, from +91°F to +88°F.

Is Knoxville warm or cold in July?

Knoxville is typically hot in July.

Maximum temperatures go up compared to the previous month from +84°F to +88°F. The minimum temperature also goes up from +66°F to +70°F.

Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.

July is the hottest month in Knoxville, here is the comparison with other months:

Climate in Knoxville in July

Knoxville weather looks like this, on average, in July and the surrounding months.
JuneJulyAugust
Avg. temperature
+84°F+88°F+86°F
Min. temperature
+48°F+55°F+52°F
Max. temperature
+106°F+102°F+100°F
Rainfall
95 mm125 mm94 mm
Wind
1 m/s1 m/s1 m/s
Humidity
73%75%75%
Air pressure
1015 HPa1016 HPa1016 HPa
Sunny days
546
Cloudy days
656
Rainy days
171917
Snowy days
000

July typically has worse weather conditions compared to June. It’s getting warmer as July arrives. The average maximum temperature goes up from +84°F to +88°F during the day. Prepare for more rain. Average rainfall goes from 95 mm to 125 mm. Humidity rises from 73% to 75%. The average wind speed doesn’t change much during July, staying around 1 m/s. The days becoming less sunny, going from 5 sunny days in June to 4 in July.

August brings much the same weather, it remains ok.

Wind

Wind speed in Knoxville in July based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Knoxville is gradually decreasing during July, going from 2 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during July in Knoxville based on historical data.
Last Year
Historical Data
Typically, there is a 61% chance of rain on an average day in July, with total rainfall of approximately 181 mm. The maximum amount of rainfall per day is around 34 mm, which is moderate rain. July is a pretty wet month with over 19 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
July is one of the rainiest months in Knoxville, here is a comparison with other months, total mm:
Knoxville wettest month is July, where a typical day has a 61% chance of precipitation and 125 mm of rainfall per day. October, on the other hand, is the driest month with a mere 35% chance of precipitation and 75 mm of rainfall per day.

How was the weather last July in Knoxville?

This is the weather in Knoxville in July 2024:
1 July
☀️
+91°F
2 July
☀️
+87°F
3 July
🌧️
+86°F
4 July
🌫️
+87°F
5 July
🌫️
+85°F
6 July
☀️
+88°F
7 July
🌧️
+88°F
8 July
☀️
+88°F
9 July
🌧️
+82°F
10 July
🌧️
+85°F
11 July
☀️
+86°F
12 July
☀️
+87°F
13 July
☀️
+89°F
14 July
🌧️
+92°F
15 July
☀️
+87°F
16 July
🌧️
+88°F
17 July
🌫️
+89°F
18 July
🌫️
+89°F
19 July
🌧️
+84°F
20 July
🌫️
+77°F
21 July
🌧️
+86°F
22 July
☀️
+83°F
23 July
☀️
+86°F
24 July
☀️
+89°F
25 July
☀️
+88°F
26 July
☀️
+91°F
27 July
☀️
+92°F
28 July
☀️
+95°F
29 July
☀️
+92°F
30 July
🌧️
+87°F
31 July
☀️
+89°F
In July 2024 Knoxville had 17 sunny days, 0 cloudy days, and 9 rainy days. The average maximum temperature was +88°F, with an absolute maximum of +95°F and a minimum of +77°F. The average humidity was 78%, with a maximum of 98% and a minimum of 45%. The average wind speed was 2 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in July?

Climate Change Over the Years

This is how Knoxville climate has changed over the last 43 years.

The climate in Knoxville in July has not changed that much over the last 43 years.

The average temperature was the lowest in 1979 (+67°F) and the highest in 2016 (+73°F). The driest year was 2007 with only 700 mm of rainfall, and the wettest year was 2019 with 2090 mm.

FAQ

Frequently asked questions about the weather in Knoxville in July:

Is July a good time to visit Knoxville?

It’s always a good time to visit Knoxville, but the weather is changeable in July, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Knoxville in July?

Absolutely, July is hot in Knoxville. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.

Is Knoxville rainy in July?

Knoxville is often rainy in July. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Knoxville in July?

Usually, it’s not very sunny in Knoxville in July, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in USA

Check out the weather for other cities in USA.

Monthly weather in Knoxville

Source of the data

For this page, we’ve looked at the typical weather in Knoxville, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.