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Mammoth Cave weather in August 2025
Expect 30°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Mammoth Cave in August. Check more long-term weather averages for Mammoth Cave in August before you book your next holiday to Kentucky in 2025/2026.
- 3030°C max day temperature
- 9 hours of sunshine per day
- 99 days with some rainfall
- 1818°C min night temperature
- 1414 hours of daylight per day
- HHigh heat & humidity
- 9696 mm of monthly rainfall
- 99 (Very High) UV index
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The August weather guide for Kentucky (Mammoth Cave) 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)
More about the USA
How hot is it in Mammoth Cave in August?
Daytime temperatures usually reach 30°C in Mammoth Cave in August with high heat and humidity, falling to 18°C at night.
How sunny is it in Mammoth Cave in August?
There are normally 9 hours of bright sunshine each day in Mammoth Cave in August - that's 64% of daylight hours.
Does it rain in Mammoth Cave in August?
There are usually 9 days with some rain in Mammoth Cave in August and the average monthly rainfall is 96mm.
Mammoth Cave August sunrise & sunset times
Browse the sunrise and sunset times for Mammoth Cave in August 2025. Select a month to view Mammoth Cave sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 04:50 | 18:51 |
Saturday, 16th August 2025 | 05:02 | 18:35 |
Sunday, 31st August 2025 | 05:14 | 18:14 |
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