canIswim

Sea temperature and swimming season in Gambia

When the sea is warm enough to swim in 3 coastal cities in Gambia.

CityWarmestColdestSwimming season
Banjul 29.6°C Oct 21.9°C Mar all year
Gunjur 29.4°C Oct 20.4°C Mar all year
Tanji 29.4°C Oct 20.2°C Mar all year

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