Last updated: June 24, 2025
The average temperature in Knoxville, United States during October is 21°C (69°F). However, temperatures can vary significantly, with a minimum of 2°C (35°F) and a maximum soaring to 37°C (99°F). Expect about 100 mm (3.9 in) of precipitation spread over 7 days, and prepare for a high average humidity of 78%.
In October in Knoxville, the average temperature is 21°C (69°F). Maximum temperatures can reach up to 37°C (99°F), while minimums can drop as low as 2°C (35°F). Be prepared for a variety of weather conditions during your travels!
In Knoxville in October, the precipitation amount is 100 mm (3.9 in) over a span of 7 days.
In Knoxville in October, humidity is 78%. With an average temperature of 21°C (69°F), this humidity feels like a warm embrace that clings to your skin, making outdoor activities feel more intense and leaving you yearning for refreshing breezes or a cool drink as you explore.
In Knoxville in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Knoxville.
UV Risk Categories
Weather in Knoxville varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Knoxville, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 9°C (49°F) | 110 mm (4.3 inches) | 86% | moderate |
February Weather | 13°C (55°F) | 119 mm (4.7 inches) | 84% | high |
March Weather | 15°C (59°F) | 80 mm (3.2 inches) | 83% | very high |
April Weather | 18°C (65°F) | 95 mm (3.8 inches) | 81% | very high |
May Weather | 23°C (74°F) | 83 mm (3.3 inches) | 81% | extreme |
June Weather | 26°C (79°F) | 113 mm (4.4 inches) | 81% | extreme |
July Weather | 27°C (82°F) | 95 mm (3.7 inches) | 83% | extreme |
August Weather | 27°C (81°F) | 118 mm (4.6 inches) | 81% | extreme |
September Weather | 25°C (78°F) | 96 mm (3.8 inches) | 82% | very high |
October Weather | 21°C (69°F) | 100 mm (3.9 inches) | 78% | very high |
November Weather | 13°C (56°F) | 76 mm (3.0 inches) | 86% | high |
December Weather | 11°C (51°F) | 121 mm (4.7 inches) | 89% | moderate |