Baltimore vs Boston: which is better, month by month

Baltimore beats Boston in 8 of 12 months — its lead peaks in January (57 vs 41) — while Boston wins June 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.

Baltimore

🇺🇸 United States · mild climate

Best month: May 90/100
Months won: 8 of 12

Boston

🇺🇸 United States · mild climate

Best month: September 90/100
Months won: 4 of 12

Baltimore vs Boston — all 12 months

Month	Baltimore	Boston	Winner	Gap
January	57Dcold, a little rain, clean air	41Ffreezing, rainy, clean air	Baltimore	16
February	65Ccold, rainy, clean air	51Dcold, a little rain, clean air	Baltimore	14
March	73Bcool, rainy, clean air	59Dcold, rainy, clean air	Baltimore	14
April	84Anice, rainy, clean air	70Bcool, rainy, clean air	Baltimore	14
May	90Swarm, rainy	86Anice, a little rain, clean air	Baltimore	4
June	79Bhot, rainy	89Awarm, a little rain	Boston	10
July	64Csweltering, rainy, muggy air	76Bhot, rainy	Boston	12
August	70Bsweltering, rainy, muggy air	80Ahot, rainy	Boston	10
September	79Bhot, rainy, clean air	90Swarm, rainy, clean air	Boston	11
October	87Anice, a little rain, clean air	74Bnice, rainy, clean air	Baltimore	13
November	71Bcool, a little rain, clean air	63Ccold, rainy, clean air	Baltimore	8
December	58Dcold, rainy, clean air	46Fcold, rainy, clean air	Baltimore	12

A month is a tie when the two are within 3 points. The widest gap is January (57 vs 41). Tap a month for that month's temperature, rain, humidity and air quality side by side.