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Mammoth Cave weather in May 2025
Expect 77°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Mammoth Cave in May. Check more long-term weather averages for Mammoth Cave in May before you book your next holiday to Kentucky in 2025/2026.
- 7777°F max day temperature
- 9 hours of sunshine per day
- 1212 days with some rainfall
- 5454°F min night temperature
- 1414 hours of daylight per day
- 0No heat & humidity
- 5.05.0 inches of monthly rainfall
- 88 (Very High) UV index
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Mammoth Cave by month
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Recommended for Kentucky
The May 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) | Imperial (°F)
More about the USA
How hot is it in Mammoth Cave in May?
Daytime temperatures usually reach 77°F in Mammoth Cave in May with no heat and humidity, falling to 54°F at night.
How sunny is it in Mammoth Cave in May?
There are normally 9 hours of bright sunshine each day in Mammoth Cave in May - that's 60% of daylight hours.
Does it rain in Mammoth Cave in May?
There are usually 12 days with some rain in Mammoth Cave in May and the average monthly rainfall is 5.0 inches.
Mammoth Cave May sunrise & sunset times
Browse the sunrise and sunset times for Mammoth Cave in May 2025. Select a month to view Mammoth Cave sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 04:49 | 18:34 |
Friday, 16th May 2025 | 04:35 | 18:47 |
Saturday, 31st May 2025 | 04:26 | 18:59 |
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