Colonia del Sacramento vs Mar del Plata: which is better, month by month

Colonia del Sacramento beats Mar del Plata in 8 of 12 months — its lead peaks in June (78 vs 61) — while Mar del Plata wins January to February; they are within 3 points in March and December.

Each place is scored under the lens that suits its type — they are different kinds of destination, so the scores are each place at its own best. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.

Colonia del Sacramento

🇺🇾 Uruguay · mild climate

Best month
November 91/100
Months won
8 of 12

Mar del Plata

🇦🇷 Argentina · mild climate

Best month
January 87/100
Months won
2 of 12

Colonia del Sacramento vs Mar del Plata — all 12 months

MonthColonia del SacramentoMar del PlataWinnerGap
January80Ahot, rainy, clean air87Ahot, a little rain, clean airMar del Plata7
February80Ahot, rainy, clean air85Awarm, rainy, clean airMar del Plata5
March83Awarm, rainy, clean air86Awarm, rainy, clean airTie3
April85Anice, rainy, clean air74Bnice, a little rain, clean airColonia del Sacramento11
May82Anice, a little rain, clean air66Ccool, a little rain, clean airColonia del Sacramento16
June78Bcool, a little rain, clean air61Ccool, a little rain, clean airColonia del Sacramento17
July75Bcool, a little rain, clean air59Dcool, a little rain, clean airColonia del Sacramento16
August80Acool, a little rain, clean air67Ccool, a little rain, clean airColonia del Sacramento13
September85Anice, a little rain, clean air70Bcool, a little rain, clean airColonia del Sacramento15
October89Anice, a little rain, clean air76Bnice, a little rain, clean airColonia del Sacramento13
November91Swarm, a little rain, clean air78Bwarm, rainy, clean airColonia del Sacramento13
December85Ahot, rainy, clean air82Awarm, rainy, clean airTie3

A month is a tie when the two are within 3 points. The widest gap is June (78 vs 61). Tap a month for that month's temperature, rain, humidity and air quality side by side.