Mumbai vs Reykjavík: which is better, month by month

Mumbai and Reykjavík split the year 5–5 — Mumbai wins November to March, Reykjavík wins May to September, and they are within 3 points in April and 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.

Mumbai

🇮🇳 India · tropical climate

Best month: January 85/100
Months won: 5 of 12

Reykjavík

🇮🇸 Iceland · mild climate

Best month: July 85/100
Months won: 5 of 12

Mumbai vs Reykjavík — all 12 months

Month	Mumbai	Reykjavík	Winner	Gap
January	85Ahot, dry, poor air quality	31Ffreezing, rainy, clean air	Mumbai	54
February	82Asweltering, dry, poor air quality	40Ffreezing, rainy, clean air	Mumbai	42
March	75Bsweltering, dry, poor air quality	50Dcold, rainy, clean air	Mumbai	25
April	67Csweltering, dry, poor air quality	64Ccold, rainy, clean air	Tie	3
May	62Csweltering, a little rain, muggy air	72Bcold, rainy, clean air	Reykjavík	10
June	38Fsweltering, soaked, muggy air	78Bcool, rainy, clean air	Reykjavík	40
July	35Fsweltering, soaked, muggy air	85Acool, a little rain, clean air	Reykjavík	50
August	41Fsweltering, soaked, muggy air	81Acool, rainy, clean air	Reykjavík	40
September	43Fsweltering, soaked, muggy air	68Ccold, rainy, clean air	Reykjavík	25
October	58Dsweltering, rainy, poor air quality	56Dcold, rainy, clean air	Tie	2
November	71Bsweltering, dry, poor air quality	43Fcold, rainy, clean air	Mumbai	28
December	79Bsweltering, dry, poor air quality	33Ffreezing, rainy, clean air	Mumbai	46

A month is a tie when the two are within 3 points. The widest gap is January (85 vs 31). Tap a month for that month's temperature, rain, humidity and air quality side by side.