canIswim

Sea temperature and swimming season in Namibia

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

CityWarmestColdestSwimming season
Walvis Bay 18.2°C Jan 13.1°C Sep never comfortable
Swakopmund 18.7°C Jan 13.2°C Sep never comfortable
Lüderitz 14.8°C Mar 11.7°C Sep never comfortable
Oranjemund 16.6°C Mar 12.5°C Sep never comfortable
Henties Bay 19.3°C Feb 13.7°C Sep Jan – Feb (2 months)

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