Louisville weather in August 2025

Expect 30°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Louisville in August. Check more long-term weather averages for Louisville in August before you book your next holiday to Kentucky in 2025/2026.

  • 30°C maximum daytime temperature in August in Louisville30
    30°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in August in Louisville9
    9 days with some rainfall
  • 18°C minimum night-time temperature in August in Louisville18
    18°C min night temperature
  • 14 hours of daylight per day in August in Louisville14
    14 hours of daylight per day
  • High heat & humidity in August in LouisvilleH
    High heat & humidity
  • 90 mm monthly rainfall in August in Louisville90
    90 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Louisville9
    9 (Very High) UV index

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The August weather guide for Kentucky (Louisville) 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 Louisville in August?

Daytime temperatures usually reach 30°C in Louisville in August with high heat and humidity, falling to 18°C at night.

How sunny is it in Louisville in August?

There are normally 9 hours of bright sunshine each day in Louisville in August - that's 65% of daylight hours.

Does it rain in Louisville in August?

There are usually 9 days with some rain in Louisville in August and the average monthly rainfall is 90mm.

Louisville August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:46 19:52
Saturday, 16th August 2025 05:59 19:35
Sunday, 31st August 2025 06:12 19:14

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