Climate averages 1991–2020
Knoxville weather
in June.
A hot, wet month: the 3rd warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a hot month in Knoxville: daytime highs average 28.3°C and nights cool to about 18.3°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 93 mm of rain on roughly 13 days, which makes June a wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 33 min on an average June day.
The nearest other city in this atlas is Asheville (130 km away). In June its highs average 26.0°C, 2.3°C cooler than Knoxville, with 95 mm of rain.
Among the 498 cities listed in the United States, Knoxville ranks joint 233rd of 498 for the warmest June highs and joint 274th of 498 for the driest June (rainfall, lowest first). The mean June high of those 498 cities is 27.9°C; Knoxville is 0.4°C warmer than that mean.
From June to July, average highs rise by 1.5°C to 29.8°C, and monthly rainfall rises from 93 mm to 119 mm.
The annual picture
June in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Knoxville climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.3°C-0.6°C | -0.6°C | 111 | 10.7 | 10.010 h |
| February | 10.6°C0.8°C | 0.8°C | 110 | 10.9 | 10.911 h |
| March | 15.0°C4.2°C | 4.2°C | 123 | 12.2 | 11.912 h |
| April | 20.0°C8.8°C | 8.8°C | 109 | 10.9 | 13.113 h |
| May | 24.1°C13.8°C | 13.8°C | 94 | 11.7 | 14.014 h |
| June, selected | 28.3°C18.3°C | 18.3°C | 93 | 13.2 | 14.615 h |
| July | 29.8°C20.5°C | 20.5°C | 119 | 14.8 | 14.314 h |
| August | 29.4°C19.9°C | 19.9°C | 86 | 11.4 | 13.514 h |
| September | 26.7°C16.8°C | 16.8°C | 90 | 8.3 | 12.412 h |
| October | 20.9°C10.5°C | 10.5°C | 74 | 7.7 | 11.311 h |
| November | 14.6°C4.5°C | 4.5°C | 96 | 8.9 | 10.310 h |
| December | 9.9°C1.2°C | 1.2°C | 117 | 10.6 | 9.810 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
June in nearby cities
- Asheville in JuneUnited States · 130 kmHigh 26.0°C · Low 16.1°C · 95 mm rain
- East Chattanooga in JuneUnited States · 156 kmHigh 29.1°C · Low 19.4°C · 95 mm rain
- Chattanooga in JuneUnited States · 162 kmHigh 29.3°C · Low 19.5°C · 95 mm rain
- Johns Creek in JuneUnited States · 216 kmHigh 29.2°C · Low 19.8°C · 104 mm rain
- Roswell in JuneUnited States · 219 kmHigh 29.0°C · Low 19.5°C · 104 mm rain
- Murfreesboro in JuneUnited States · 223 kmHigh 29.4°C · Low 19.8°C · 108 mm rain
- Athens, United States in JuneUnited States · 228 kmHigh 30.0°C · Low 20.0°C · 102 mm rain
- Sandy Springs in JuneUnited States · 230 kmHigh 29.1°C · Low 19.6°C · 102 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Knoxville) is explained once on the Knoxville year overview and on the Sources, method and limits page.