Knoxville Weather in August

August in Knoxville brings very high temperatures, with daytime highs of 31°C (88°F) and nights around 20°C (68°F). Quite a bit of rainfall is expected, around 84 mm (3.3 in), so pack an umbrella.

Rainfall in Knoxville in August

You can expect rain on roughly 11 days based on historical data, averaging 84 mm (3.3 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Knoxville in August

August in Knoxville brings very high temperatures, with highs of 31°C (88°F) and nights around 20°C (68°F). It's usually most comfortable outside during the morning and later in the day. With overnight lows of 20°C (68°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. Remember, these are typical temperatures, and certain days could be even hotter. Ensure you wear appropriate clothing to handle the warmth.

Sunshine in Knoxville in August

There are approximately 277 hours of sunshine this month, resulting in mostly clear days.

Should you favor a climate that's both dry and comfortably warm, May and October typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.