Weather on May 20 at Mammoth Cave

Mammoth Cave National Park

KYSoutheast800 ft elevation
Avg High79°F
Avg Low58°F
Warmest202281°F
Coldest200253°F

Based on 55 years of data from Bowling Green, KY

Planning Your Visit

May 20th in Mammoth Cave National Park (via Bowling Green, KY) typically brings pleasant spring weather, with average highs around 79°F and lows near 58°F. Over 55 years of records, the warmest May 20th was in 2022 (81°F average), while the coldest was 2002 (53°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 31% of May 20th dates historically, with the wettest May 20th recording 4.06" of rain. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.

Planning for May 20th in Mammoth Cave? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202583°F65°F4.06"0"
202489°F62°F0"0"
202374°F57°F1.63"0"
202290°F73°F0"--
202185°F58°F0"0"
202069°F56°F0"0"
201981°F61°F0"0"
201889°F67°F0.84"0"
201787°F67°F2.26"0"
201671°F56°F3.38"0"
201576°F52°F0.28"0"
201484°F60°F0"0"
201386°F63°F0"0"
201290°F62°F0"0"
201182°F63°F0"0"
201066°F53°F1.04"0"
200982°F46°F0"0"
200874°F56°F0"0"
200780°F44°F0"0"
200673°F57°F0"0"
200578°F61°F1.37"0"
200487°F68°F0"0"
200370°F59°F0.97"0"
200263°F44°F0"0"
200182°F64°F0.1"0"
200064°F52°F0.28"0"
199980°F49°F0"0"
199889°F69°F0"0"
199770°F53°F--0"
199691°F65°F0"0"
199580°F49°F0"0"
199474°F45°F0"0"
199366°F48°F0"0"
199276°F63°F0"0"
199178°F68°F0"0"
199076°F62°F0.1"0"
198986°F65°F1.4"0"
198883°F48°F0"0"
198788°F69°F0.05"0"
198662°F46°F0"0"
198582°F48°F0"0"
198482°F62°F0"0"
198365°F53°F0.53"0"
198277°F64°F1.09"0"
198169°F49°F0"0"
198075°F60°F0"0"
197979°F63°F1.27"0"
197886°F57°F0"0"
197789°F60°F0"0"
197678°F45°F0"0"
197587°F65°F0"0"
197491°F65°F0"0"
197371°F52°F0"0"
197282°F54°F0"0"
197177°F54°F0"0"

May 20 at Nearby Parks

Holiday Weather at Mammoth Cave

Official NPS WebsiteVisit nps.gov/maca for park information, alerts, and reservations

Explore More at Mammoth Cave

See historical weather for other dates

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