Boston vs Hyannis: which is better, month by month

Boston beats Hyannis in 10 of 12 months — its lead peaks in May (86 vs 72) — while Hyannis wins July to August.

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.

Boston

🇺🇸 United States · mild climate

Best month: September 90/100
Months won: 10 of 12

Hyannis

🇺🇸 United States · mild climate

Best month: July 91/100
Months won: 2 of 12

Boston vs Hyannis — all 12 months

Month	Boston	Hyannis	Winner	Gap
January	41Ffreezing, rainy, clean air	35Fcold, rainy, clean air	Boston	6
February	51Dcold, a little rain, clean air	43Fcold, rainy, clean air	Boston	8
March	59Dcold, rainy, clean air	50Dcold, rainy, clean air	Boston	9
April	70Bcool, rainy, clean air	61Ccold, rainy, clean air	Boston	9
May	86Anice, a little rain, clean air	72Bnice, rainy, clean air	Boston	14
June	89Awarm, a little rain	81Awarm, a little rain, muggy air	Boston	8
July	76Bhot, rainy	91Shot, a little rain, muggy air	Hyannis	15
August	80Ahot, rainy	88Ahot, a little rain, muggy air	Hyannis	8
September	90Swarm, rainy, clean air	78Bnice, rainy, clean air	Boston	12
October	74Bnice, rainy, clean air	62Cnice, rainy, clean air	Boston	12
November	63Ccold, rainy, clean air	54Dcold, rainy, clean air	Boston	9
December	46Fcold, rainy, clean air	38Fcold, rainy, clean air	Boston	8

A month is a tie when the two are within 3 points. The widest gap is July (76 vs 91). Tap a month for that month's temperature, rain, humidity and air quality side by side.