canIswim

Sea temperature and swimming season in Costa Rica

When the sea is warm enough to swim in 5 coastal cities in Costa Rica.

CityWarmestColdestSwimming season
Limón 29.7°C Sep 27.6°C Feb all year
Chacarita 29.8°C May 28.1°C Nov all year
Quepos 30.1°C Apr 28.1°C Nov all year
Golfito 30.3°C Mar 28.2°C Nov all year
Tamarindo 29.8°C May 27.8°C Feb all year

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