August in Knoxville, TN: variable for golf — mixed conditions — check the live score. Best tee times: morning before noon for the most comfortable round.
| Average August Weather | |
|---|---|
| Avg daily high | 86°F |
| Avg daily low | 68°F |
| Rainy days | 17 / mo |
| Avg peak wind | 7.3 mph |
Most golfers arriving in Knoxville in August expect brutal, unplayable heat — and the reality is more nuanced than that. Yes, the average high hits 86°F, making it the second-hottest month of the year, but the winds are actually the calmest of any month at just 7.3 mph. There's no breeze to compound the humidity, which cuts both ways.
The bigger surprise is the rain. August is tied for the second-wettest month of the year with 17 precipitation days, yet most of those are short afternoon thunderstorms rather than all-day washouts. Early tee times — think 6 to 7 AM — let you exploit the cooler lows around 68°F and beat the afternoon buildup. Golfers who adjust their schedule find August more workable than its reputation suggests; those who tee off at noon often don't.
With afternoon storms common across all 17 wet days, booking the earliest available tee time — ideally before 8 AM — is the single most reliable way to complete a full round in August. Courses often hold afternoon slots open, so last-minute morning cancellations can be worth watching if you're flexible. See how conditions rate hour by hour on our playability scale.
August actually improves on July in meaningful ways — three fewer rain days and winds that drop from 7.9 mph to 7.3 mph, even as temperatures cool only slightly (86°F vs. July's 88°F). September is the clearer upgrade, shedding another five rain days and dropping the average high to 83°F, making it a noticeably more comfortable month to play. August sits in the middle: hotter and wetter than September but drier and calmer than July.
Climate normals show the long-term picture, but day-to-day weather varies. Check today's live golf weather score for Knoxville, TN for the current playability rating, hourly wind, temperature, and the recommended tee time window.
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The average high of 86°F is genuinely warm, but the 18°F daily swing means mornings start around 68°F, which is within a comfortable playing range. Golfers who tee off early — before 9 AM — typically finish before the day peaks. Those expecting a cool round at midday will be disappointed.
With 17 precipitation days in the month, roughly every other day sees some measurable rain, making August the second-wettest month of the year alongside June. Most events are short afternoon thunderstorms rather than sustained rain, so early morning rounds have a noticeably better chance of staying dry from start to finish.