Sea temperature and swimming season in Indonesia

When the sea is warm enough to swim in 17 coastal cities in Indonesia.

City	Warmest	Coldest	Swimming season
Surabaya	30.4°C Apr	28.8°C Aug	all year
Semarang	30.0°C Nov	28.5°C Feb	all year
Makassar	30.0°C Nov	28.4°C Aug	all year
Padang	30.3°C Apr	29.0°C Nov	all year
Balikpapan	30.0°C May	28.9°C Aug	all year
Pontianak	30.6°C May	28.7°C Feb	all year
Denpasar	29.2°C Apr	26.6°C Aug	all year
Kupang	29.9°C Dec	27.2°C Aug	all year
Manado	29.9°C Nov	29.0°C Feb	all year
Mataram	29.4°C Nov	27.8°C Aug	all year
Jayapura	30.1°C Nov	29.5°C Feb	all year
Bengkulu	30.2°C May	28.7°C Nov	all year
Kendari	30.0°C Apr	28.0°C Aug	all year
Ambon	29.6°C Apr	27.3°C Aug	all year
Cirebon	30.2°C May	28.5°C Feb	all year
Banda Aceh	30.2°C Apr	28.8°C Dec	all year
Tanjung Pinang	30.5°C May	27.8°C Jan	all year