Knoxville weather in April 2025

Expect 22°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Knoxville in April. Check more long-term weather averages for Knoxville in April before you book your next holiday to Tennessee in 2025/2026.

  • 22°C maximum daytime temperature in April in Knoxville22
    22°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in April in Knoxville11
    11 days with some rainfall
  • 7°C minimum night-time temperature in April in Knoxville7
    7°C min night temperature
  • 13 hours of daylight per day in April in Knoxville13
    13 hours of daylight per day
  • No heat & humidity in April in Knoxville0
    No heat & humidity
  • 96 mm monthly rainfall in April in Knoxville96
    96 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in April in Knoxville8
    8 (Very High) UV index

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The April weather guide for Tennessee (Knoxville) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Knoxville in April?

Daytime temperatures usually reach 22°C in Knoxville in April, falling to 7°C at night.

How sunny is it in Knoxville in April?

There are normally 8 hours of bright sunshine each day in Knoxville in April - that's 64% of daylight hours.

Does it rain in Knoxville in April?

There are usually 11 days with some rain in Knoxville in April and the average monthly rainfall is 96mm.

Knoxville April sunrise & sunset times

Browse the sunrise and sunset times for Knoxville in April 2025. Select a month to view Knoxville sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 06:22 18:58
Tuesday, 15th April 2025 06:02 19:10
Wednesday, 30th April 2025 05:44 19:22

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