canIswim

Sea temperature and swimming season in Senegal

When the sea is warm enough to swim in 6 coastal cities in Senegal.

CityWarmestColdestSwimming season
Dakar 28.9°C Oct 19.1°C Mar all year
Rufisque 29.0°C Oct 19.2°C Mar all year
Saint-Louis 28.8°C Sep 18.5°C Mar Apr – Jan (10 months)
Nguékhokh 29.0°C Oct 18.7°C Mar Apr – Feb (11 months)
Joal 29.4°C Oct 19.3°C Mar all year
Kayar 28.9°C Oct 19.0°C Mar all year

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