Mount Rainier National Park vs Olympic National Park: which is better, month by month

Olympic National Park beats Mount Rainier National Park in 10 of 12 months — its lead peaks in February (47 vs 35) — while Mount Rainier National Park wins September; they are within 3 points in October.

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.

Mount Rainier National Park

🇺🇸 United States · cold climate

Best month
August 92/100
Months won
1 of 12

Olympic National Park

🇺🇸 United States · mild climate

Best month
August 96/100
Months won
10 of 12

Mount Rainier National Park vs Olympic National Park — all 12 months

MonthMount Rainier National ParkOlympic National ParkWinnerGap
January32Ffreezing, soaked, clean air39Ffreezing, soaked, clean airOlympic National Park7
February35Ffreezing, soaked, clean air47Ffreezing, soaked, clean airOlympic National Park12
March46Ffreezing, soaked, clean air54Dcold, soaked, clean airOlympic National Park8
April55Dfreezing, rainy, clean air66Ccold, soaked, clean airOlympic National Park11
May71Bcold, rainy, clean air80Acool, rainy, clean airOlympic National Park9
June78Bcold, rainy, clean air85Acool, a little rain, clean airOlympic National Park7
July90Scool, dry, clean air94Snice, dry, clean airOlympic National Park4
August92Scool, dry, clean air96Snice, a little rain, clean airOlympic National Park4
September82Acold, a little rain, clean air78Bcool, rainy, clean airMount Rainier National Park4
October61Ccold, soaked, clean air58Dcold, soaked, clean airTie3
November39Ffreezing, soaked, clean air44Fcold, soaked, clean airOlympic National Park5
December27Ffreezing, soaked, clean air35Ffreezing, soaked, clean airOlympic National Park8

A month is a tie when the two are within 3 points. The widest gap is February (35 vs 47). Tap a month for that month's temperature, rain, humidity and air quality side by side.