Lassen Volcanic National Park vs Mammoth Cave National Park: which is better, month by month

Mammoth Cave National Park beats Lassen Volcanic National Park in 7 of 12 months — its lead peaks in March (81 vs 56) — while Lassen Volcanic National Park wins May to September.

Each place is scored under the lens that suits its type. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.

Lassen Volcanic National Park vs Mammoth Cave National Park — all 12 months

MonthLassen Volcanic National ParkMammoth Cave National ParkWinnerGap
January46Ffreezing, soaked, clean air66Ccold, rainy, clean airMammoth Cave National Park20
February53Dfreezing, soaked, clean air70Bcool, soaked, clean airMammoth Cave National Park17
March56Dfreezing, soaked, clean air81Anice, rainy, clean airMammoth Cave National Park25
April72Bcold, rainy, clean air87Anice, rainy, clean airMammoth Cave National Park15
May81Acool, a little rain, clean air77Bwarm, rainy, clean airLassen Volcanic National Park4
June96Snice, dry62Csweltering, rainyLassen Volcanic National Park34
July86Awarm, dry50Dsweltering, soakedLassen Volcanic National Park36
August89Anice, dry59Dsweltering, rainyLassen Volcanic National Park30
September94Snice, a little rain, clean air75Bhot, rainy, clean airLassen Volcanic National Park19
October80Acool, a little rain, clean air85Awarm, rainy, clean airMammoth Cave National Park5
November64Ccold, rainy, clean air82Acool, rainy, clean airMammoth Cave National Park18
December50Dfreezing, soaked, clean air70Bcold, rainy, clean airMammoth Cave National Park20

A month is a tie when the two are within 3 points. The widest gap is July (86 vs 50). Tap a month for that month's temperature, rain, humidity and air quality side by side.

Lassen Volcanic National Park

🇺🇸 United States · mild climate

Best month
June 96/100
Months won
5 of 12

Mammoth Cave National Park

🇺🇸 United States · mild climate

Best month
April 87/100
Months won
7 of 12

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