Monterrey vs San Miguel de Allende: which is better, month by month
San Miguel de Allende beats Monterrey in 9 of 12 months — its lead peaks in July (86 vs 70) — and they are within 3 points in February, March and November.
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.
Monterrey vs San Miguel de Allende — all 12 months
A month is a tie when the two are within 3 points. The widest gap is July (70 vs 86). Tap a month for that month's temperature, rain, humidity and air quality side by side.