Hermosillo vs Monterrey: which is better, month by month

Monterrey beats Hermosillo in 10 of 12 months — its lead peaks in July (70 vs 29) — while Hermosillo wins January; they are within 3 points in December.

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.

Hermosillo

🇲🇽 Mexico · arid climate

Best month: January 92/100
Months won: 1 of 12

Monterrey

🇲🇽 Mexico · mild climate

Best month: February 95/100
Months won: 10 of 12

Hermosillo vs Monterrey — all 12 months

Month	Hermosillo	Monterrey	Winner	Gap
January	92Snice, dry, clean air	87Anice, dry, clean air	Hermosillo	5
February	87Awarm, dry, clean air	95Snice, dry	Monterrey	8
March	84Ahot, dry, clean air	90Swarm, a little rain	Monterrey	6
April	75Bhot, dry, clean air	83Ahot, a little rain	Monterrey	8
May	59Dsweltering, dry, clean air	74Bsweltering, a little rain	Monterrey	15
June	37Fsweltering, dry, clean air	69Csweltering, a little rain	Monterrey	32
July	29Fsweltering, a little rain, clean air	70Bsweltering, a little rain, clean air	Monterrey	41
August	33Fsweltering, a little rain, clean air	72Bsweltering, dry	Monterrey	39
September	44Fsweltering, a little rain, clean air	73Bsweltering, rainy, clean air	Monterrey	29
October	63Csweltering, dry, clean air	84Ahot, a little rain, clean air	Monterrey	21
November	82Ahot, dry, clean air	92Swarm, a little rain, clean air	Monterrey	10
December	89Awarm, dry, clean air	89Anice, dry, clean air	Tie	0

A month is a tie when the two are within 3 points. The widest gap is July (29 vs 70). Tap a month for that month's temperature, rain, humidity and air quality side by side.