canIswim

Sea temperature and swimming season in Mexico

When the sea is warm enough to swim in 15 coastal cities in Mexico.

CityWarmestColdestSwimming season
Cancún 29.7°C Aug 26.8°C Feb all year
Acapulco de Juárez 30.7°C Aug 27.8°C Mar all year
Veracruz 30.1°C Aug 24.1°C Feb all year
Mazatlán 30.4°C Sep 22.1°C Mar all year
Coatzacoalcos 30.0°C Sep 24.8°C Feb all year
Puerto Vallarta 30.5°C Aug 24.2°C Mar all year
Campeche 30.7°C Aug 24.6°C Jan all year
Cabo San Lucas 29.0°C Sep 21.5°C Apr all year
Ciudad del Carmen 30.4°C Sep 25.2°C Feb all year
Chetumal 30.4°C Aug 26.0°C Feb all year
Manzanillo 30.3°C Aug 25.1°C Apr all year
Playa del Carmen 29.8°C Aug 26.8°C Feb all year
Salina Cruz 30.2°C Aug 25.5°C Feb all year
San Felipe 31.9°C Aug 16.1°C Jan Apr – Nov (8 months)
La Cruz 30.4°C Sep 21.1°C Mar all year

Season uses 19°C. Why that number, and where the data comes from