Best time to swim on the island of Sumatra Sea temperature by month
Do you want to go to the seaside on the island of Sumatra? But when should you go to be sure to enjoy good sea water temperature and be able to swim for a long time? Now or another month during the year? On this page, find the sea temperature by month on the island of Sumatra.
Swimming on the island of Sumatra by month
Discover swimming conditions in detail on the island of Sumatra by month below. Click on the links for each month to see details about the sea temperature in the cities of: Banda Aceh, Bandar Lampung, Bengkulu, Dumai and Gunungsitoli (Pulau Nias).
| Month | Average Sea temperature | Our opinion |
|---|---|---|
| January | 82°F to 86°F | ideal swimming |
| February | 83°F to 86°F | ideal swimming |
| March | 83°F to 86°F | ideal swimming |
| April | 85°F to 87°F | ideal swimming |
| May | 86°F to 87°F | ideal swimming |
| June | 85°F to 87°F | ideal swimming |
| July | 85°F to 86°F | ideal swimming |
| August | 84°F to 86°F | ideal swimming |
| September | 83°F to 86°F | ideal swimming |
| October | 83°F to 86°F | ideal swimming |
| November | 84°F to 86°F | ideal swimming |
| December | 84°F to 85°F | ideal swimming |
Where and when should you swim on the island of Sumatra?
Best time to swim in Gunungsitoli (Pulau Nias)
It is possible to swim all year in Gunungsitoli (Pulau Nias).
Other cities and places on the island of Sumatra:
Water temperatures on the island of Sumatra over the entire year
On this chart, we show you the variation of the average sea water temperature on the island of Sumatra for the cities of: Banda Aceh, Bandar Lampung, Bengkulu, Dumai and Gunungsitoli (Pulau Nias).