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Louisville weather in August 2026
Expect daytime maximum temperatures of 30°C in Louisville, Kentucky in August and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 90 mm of rainfall in the month.
- 30°C max day temperature
30 - 9 hours of sunshine per day
- 9 days with some rainfall
9 - 18°C min night temperature
18 - 14 hours of daylight per day
14 - High heat & humidity
H - 90 mm of monthly rainfall
90 - 9 (Very High) UV index
9
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Recommended for Kentucky
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 2026. Select a month to view Louisville sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Saturday, 1st August 2026 | 05:46 | 19:53 |
| Sunday, 16th August 2026 | 05:59 | 19:35 |
| Monday, 31st August 2026 | 06:12 | 19:14 |
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