
Bali water temperature
The sea off Bali is warmest in April, around 84°F (29°C), and coolest in August, around 80°F (26°C).
Photo: Unknown author, CC BY-SA 3.0
Sea temperature by month
| Month | Sea | Feels | Air high |
|---|---|---|---|
| January | 84°F (29°C) | Bath-warm | 88°F |
| February | 84°F (29°C) | Bath-warm | 88°F |
| March | 84°F (29°C) | Bath-warm | 88°F |
| April | 84°F (29°C) | Bath-warm | 88°F |
| May | 83°F (28°C) | Bath-warm | 87°F |
| June | 82°F (28°C) | Bath-warm | 86°F |
| July | 80°F (27°C) | Warm | 84°F |
| August | 80°F (26°C) | Warm | 84°F |
| September | 80°F (27°C) | Warm | 86°F |
| October | 81°F (27°C) | Bath-warm | 88°F |
| November | 83°F (28°C) | Bath-warm | 89°F |
| December | 84°F (29°C) | Bath-warm | 87°F |
Average sea-surface temperature just offshore, 1991–2020. Water in shallow bays runs a little warmer on sunny afternoons.
On the water in Bali
Questions
When is the water warmest in Bali?
April, at about 84°F (29°C).
Can you swim in Bali all year?
Yes. The sea stays at 80°F or warmer even in August.
Do I need a wetsuit to snorkel in Bali?
Not for warmth: the water stays above 77°F all year, though a thin top helps with sun on long trips.










