Swimming on the island of Sumatra in august 2025 Sea temperature by city in august
Do you want to go to the beach on the island of Sumatra in august 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in august on the island of Sumatra by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature on the island of Sumatra in august 2025
Here, find the average sea temperature on the island of Sumatra in august in several coastal cities.
North in august
85°F
min: 84°F / max: 86°F
86°F
min: 84°F / max: 88°F
Calang
85°F
min: 84°F / max: 87°F
Langsa
86°F
min: 83°F / max: 88°F
Lhokseumawe
85°F
min: 84°F / max: 88°F
Sibolga
85°F
min: 84°F / max: 87°F
South in august
84°F
min: 82°F / max: 86°F
84°F
min: 82°F / max: 86°F
Way Kambas National Park
84°F
min: 82°F / max: 86°F
Way Kambas National Park
84°F
min: 82°F / max: 86°F
Central in august
86°F
min: 85°F / max: 86°F
86°F
min: 84°F / max: 87°F
Pulau Rupat
86°F
min: 84°F / max: 87°F
Pulau Siberut
85°F
min: 84°F / max: 87°F
Pariaman
85°F
min: 84°F / max: 87°F
Riau Islands in august
85°F
min: 84°F / max: 86°F
Tanjungpinang
85°F
min: 83°F / max: 86°F
Bangka-Belitung Islands in august
Pulau Belitung
84°F
min: 82°F / max: 86°F
Where should you go swimming on the island of Sumatra in the month of august?
Swimming on the island of Sumatra in august is ideal
In august on the island of Sumatra swimming conditions are generally the same everywhere.
In august in Banda Aceh, Bandar Lampung, Bengkulu, Dumai, Gunungsitoli (Pulau Nias), Padang City, Batam, Way Kambas National Park, Calang, Pulau Belitung, Pulau Rupat, Pulau Siberut, Way Kambas National Park, Langsa, Lhokseumawe, Pariaman, Sibolga, Sigli and Tanjungpinang, swimming conditions are perfect! With water reaching a maximum of 86°F and an average of 85°F, going in the water (and staying there!) feels great.
Where to go swimming on the island of Sumatra in august: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in august
Banda Aceh
| August | |||
| Average sea temperature | 85°F | ||
| Minimum sea temperature | 84°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 90°F | ||
| Minimum outside temperature | 77°F | ||
| Precipitation | 5in | ||
| Number of days of precipitation | 6 jour(s) (20%) | ||
| Cloud cover | 35% | ||
| Our opinion | ideal swimming |
More information on swimming in Banda Aceh in august
Bandar Lampung
| August | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 82°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 90°F | ||
| Minimum outside temperature | 77°F | ||
| Precipitation | 4.5in | ||
| Number of days of precipitation | 9 jour(s) (28%) | ||
| Cloud cover | 39% | ||
| Our opinion | ideal swimming |
More information on swimming in Bandar Lampung in august
Bengkulu
| August | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 82°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 88°F | ||
| Minimum outside temperature | 77°F | ||
| Precipitation | 8.7in | ||
| Number of days of precipitation | 14 jour(s) (45%) | ||
| Cloud cover | 34% | ||
| Our opinion | ideal swimming |
More information on swimming in Bengkulu in august
Dumai
| August | |||
| Average sea temperature | 86°F | ||
| Minimum sea temperature | 85°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 92°F | ||
| Minimum outside temperature | 77°F | ||
| Precipitation | 8.7in | ||
| Number of days of precipitation | 16 jour(s) (51%) | ||
| Cloud cover | 40% | ||
| Our opinion | ideal swimming |
More information on swimming in Dumai in august
Gunungsitoli (Pulau Nias)
| August | |||
| Average sea temperature | 86°F | ||
| Minimum sea temperature | 84°F | ||
| Maximum sea temperature | 88°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 81°F | ||
| Precipitation | 13.3in | ||
| Number of days of precipitation | 17 jour(s) (55%) | ||
| Cloud cover | 43% | ||
| Our opinion | ideal swimming |
More information on swimming in Gunungsitoli (Pulau Nias) in august
List of coastal cities on the island of Sumatra
| Banda Aceh in august | ideal swimming |
| Bandar Lampung in august | ideal swimming |
| Bengkulu in august | ideal swimming |
| Dumai in august | ideal swimming |
| Gunungsitoli (Pulau Nias) in august | ideal swimming |
| Padang City in august | ideal swimming |
| Batam in august | ideal swimming |
| Way Kambas National Park in august | ideal swimming |
| Calang in august | ideal swimming |
| Pulau Belitung in august | ideal swimming |
| Pulau Rupat in august | ideal swimming |
| Pulau Siberut in august | ideal swimming |
| Way Kambas National Park in august | ideal swimming |
| Langsa in august | ideal swimming |
| Lhokseumawe in august | ideal swimming |
| Pariaman in august | ideal swimming |
| Sibolga in august | ideal swimming |
| Sigli in august | ideal swimming |
| Tanjungpinang in august | ideal swimming |