canIswim

Sea temperature and swimming season in Peru

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

CityWarmestColdestSwimming season
Lima 21.0°C Mar 16.3°C Oct Jan – Apr (4 months)
Trujillo 21.1°C Mar 16.5°C Oct Jan – Apr (4 months)
Chimbote 21.4°C Mar 16.4°C Oct Jan – Apr (5 months)
Talara 24.2°C Feb 18.9°C Oct Nov – Sep (11 months)
Tumbes 27.9°C Mar 23.9°C Aug all year
Pisco 21.3°C Feb 16.2°C Sep Jan – Apr (4 months)
Villa Poeta José Gálvez Barrenechea 21.0°C Feb 16.4°C Sep Jan – Apr (4 months)
Paita 23.7°C Feb 18.2°C Oct Dec – Jun (7 months)
Huacho 20.4°C Feb 16.3°C Sep Jan – Apr (4 months)
Ilo 21.2°C Feb 16.9°C Aug Dec – Apr (5 months)
Mollendo 22.3°C Feb 16.8°C Sep Dec – Apr (5 months)
Paramonga 20.3°C Mar 16.3°C Oct Jan – Apr (4 months)
San Vicente de Cañete 22.3°C Feb 16.7°C Aug Dec – May (6 months)
San Pedro de Lloc 21.3°C Feb 16.6°C Nov Feb – Apr (3 months)
Máncora 25.8°C Feb 21.9°C Aug all year

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