St. John's, Newfoundland vs Washington: which is better, month by month

Washington beats St. John's, Newfoundland in 8 of 12 months — its lead peaks in March (73 vs 46) — while St. John's, Newfoundland wins July to August; they are within 3 points in June and 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.

St. John's, Newfoundland

🇨🇦 Canada · mild climate

Best month: July 90/100
Months won: 2 of 12

Washington

🇺🇸 United States · mild climate

Best month: May 87/100
Months won: 8 of 12

St. John's, Newfoundland vs Washington — all 12 months

Month	St. John's, Newfoundland	Washington	Winner	Gap
January	33Ffreezing, rainy, clean air	59Dcold, a little rain, clean air	Washington	26
February	38Ffreezing, rainy, clean air	63Ccold, a little rain, clean air	Washington	25
March	46Ffreezing, rainy, clean air	73Bcool, rainy, clean air	Washington	27
April	59Dcold, rainy, clean air	83Anice, rainy, clean air	Washington	24
May	71Bcold, a little rain, clean air	87Awarm, rainy	Washington	16
June	80Anice, rainy, clean air	78Bhot, rainy	Tie	2
July	90Snice, rainy, clean air	65Csweltering, soaked	St. John's, Newfoundland	25
August	88Anice, a little rain, clean air	70Bsweltering, rainy	St. John's, Newfoundland	18
September	77Bnice, rainy, clean air	80Ahot, rainy, clean air	Tie	3
October	66Ccool, rainy, clean air	85Anice, rainy, clean air	Washington	19
November	51Dcold, rainy, clean air	71Bcool, a little rain, clean air	Washington	20
December	36Ffreezing, rainy, clean air	58Dcold, rainy, clean air	Washington	22

A month is a tie when the two are within 3 points. The widest gap is March (46 vs 73). Tap a month for that month's temperature, rain, humidity and air quality side by side.