City break

Knoxville weather in April

Temperature, rain and sunshine in April: long-term averages from 30 years of weather data, not a forecast.

77

Holiday weather in April

Good

Best time to visit: April – May, September – October

What is the weather like in Knoxville in April?

In April, Knoxville is mild: daytime highs average 20 °C, and nights cool down to about 9 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 107 mm in total. All in all, April is a good month for a holiday in Knoxville.

April compared

How the weather changes from March to May. Tap a month to open it.

MarchMarAprilAprMayMay
Score607776
Day16°20°25°
Night5°9°14°
Sun6 h7 h7 h
Rain days121112

More details for April

Daylight
13 h 4 min07:04 – 20:08
UV index
9 · very highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
15 km/haverage daily peakAll months
Cloud cover
57 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC−4America/New_York

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %60 %
  • Few rainy daysweight 30 %49 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in April

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Knoxville in April: quick answers

Is Knoxville hot in April?

No. In April, Knoxville is mild: daytime highs average 20 °C and nights drop to about 9 °C.

Does it rain much in Knoxville in April?

Rain is frequent, with about 11 rainy days and 107 mm in total.

Knoxville month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences