Weather in Knoxville in June

Shoulder season. June sits in between. You will get good days and you will lose some. You should expect rain on 17 days of the month, which is more days wet than dry.

June ranks 7 of 12 in Knoxville: past the worst of the year but short of October, which is the month to book if the dates are open.

Rain on 17 days, 3 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for 29.7 °C days and 18.7 °C nights; the spread matters more here than any single number.

What the averages hide

Averages flatten a month, and this one hides a few things: 13 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest June day reached 41.5 °C and the coldest night fell to 7.7 °C, and the wettest single day dropped 51 mm — roughly 46% of the month's rain in one day.

June is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest June on record still delivered 208 mm against 45 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 110 mm average is a reasonable planning figure, not a promise.

Wind is light at 2.6 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 74%.

How June sits in the year

The month is on the way up: 4.4 °C warmer than May, and July adds another 1.8 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in June

June is at or near the longest days of Knoxville's year: 14.6 hours of daylight, holding steady all month. Evenings are the real gain — dinner outdoors still happens in full light.

An inland climate

With no coast nearby, the year swings a fair way — 33.1 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.

How busy it gets

Quiet. Few other visitors, cheaper rooms, and a real chance some seasonal operators are shut.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

June in Knoxville versus nearby

If Knoxville is one option among several, the nearby comparison is worth making. Atlanta is close enough to be a coin toss — within a degree on temperature, 1 day less rain. Nashville is close enough to be a coin toss — within a degree on temperature, 3 days less rain.

So: June is a compromise. October is 25 points better and is what Knoxville is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Knoxville

See all twelve months in Knoxville, or where else to go in June.