Knoxville weather in May 2025

Expect 25°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Knoxville in May. Check more long-term weather averages for Knoxville in May before you book your next holiday to Tennessee in 2025/2026.

  • 25°C maximum daytime temperature in May in Knoxville25
    25°C max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in May in Knoxville11
    11 days with some rainfall
  • 11°C minimum night-time temperature in May in Knoxville11
    11°C min night temperature
  • 14 hours of daylight per day in May in Knoxville14
    14 hours of daylight per day
  • Low heat & humidity in May in KnoxvilleL
    Low heat & humidity
  • 109 mm monthly rainfall in May in Knoxville109
    109 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Knoxville9
    9 (Very High) UV index

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Recommended for Tennessee

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The May 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 May?

Daytime temperatures usually reach 25°C in Knoxville in May with low heat and humidity, falling to 11°C at night.

How sunny is it in Knoxville in May?

There are normally 9 hours of bright sunshine each day in Knoxville in May - that's 64% of daylight hours.

Does it rain in Knoxville in May?

There are usually 11 days with some rain in Knoxville in May and the average monthly rainfall is 109mm.

Knoxville May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:43 19:23
Friday, 16th May 2025 05:29 19:36
Saturday, 31st May 2025 05:21 19:47

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