Olympic National Park vs Portland: which is better, month by month

Portland beats Olympic National Park in 10 of 12 months — its lead peaks in September (94 vs 78) — while Olympic National Park wins August; they are within 3 points in July.

Each place is scored under the lens that suits its type — they are different kinds of destination, so the scores are each place at its own best. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.

Olympic National Park

🇺🇸 United States · mild climate

Best month: August 96/100
Months won: 1 of 12

Portland

🇺🇸 United States · mild climate

Best month: June 96/100
Months won: 10 of 12

Olympic National Park vs Portland — all 12 months

Month	Olympic National Park	Portland	Winner	Gap
January	39Ffreezing, soaked, clean air	49Fcold, soaked, clean air	Portland	10
February	47Ffreezing, soaked, clean air	55Dcold, rainy, clean air	Portland	8
March	54Dcold, soaked, clean air	65Ccool, rainy, clean air	Portland	11
April	66Ccold, soaked, clean air	76Bcool, rainy, clean air	Portland	10
May	80Acool, rainy, clean air	86Anice, a little rain, clean air	Portland	6
June	85Acool, a little rain, clean air	96Swarm, a little rain, clean air	Portland	11
July	94Snice, dry, clean air	92Swarm, dry, clean air	Tie	2
August	96Snice, a little rain, clean air	89Awarm, dry, clean air	Olympic National Park	7
September	78Bcool, rainy, clean air	94Swarm, a little rain, clean air	Portland	16
October	58Dcold, soaked, clean air	72Bnice, rainy, clean air	Portland	14
November	44Fcold, soaked, clean air	57Dcool, soaked, clean air	Portland	13
December	35Ffreezing, soaked, clean air	45Fcold, soaked, clean air	Portland	10

A month is a tie when the two are within 3 points. The widest gap is September (78 vs 94). Tap a month for that month's temperature, rain, humidity and air quality side by side.