Batam weather by month & the best time to visit
Indonesia · coastal city break · tropical rainforest climate
The best time to visit Batam is February — its sunniest month (Sunshine Score 70/100), with January and March close behind. Batam averages about 2,051 hours of sunshine a year. Daytime highs around 28°C / 82°F and roughly 111 mm of rain in February.
When is the best time to visit Batam?
For sunshine, the best time to visit Batam is February, then January and March. The dullest month is January (63/100, 241 mm of rain). The full month-by-month picture is in the table below.
How sunny is Batam?
Batam gets a moderate 2,051 hours of sunshine a year. Conditions barely change through the year — only 7 Sunshine Score points separate February from January. It ranks #89 of 119 destinations in Indonesia for annual sunshine, below the national median of 2,183 hours. The year's 2,469 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 63 | 28° / 82°F | 26° / 79°F | 241 mm | 9 | 29° / 84°F |
| February | 70 | 28° / 82°F | 26° / 79°F | 111 mm | 11 | 30° / 86°F |
| March | 63 | 29° / 84°F | 26° / 79°F | 174 mm | 11 | 30° / 86°F |
| April | 63 | 29° / 84°F | 27° / 81°F | 203 mm | 11 | 32° / 90°F |
| May | 63 | 30° / 86°F | 28° / 82°F | 211 mm | 10 | 32° / 90°F |
| June | 63 | 29° / 84°F | 28° / 82°F | 179 mm | 9 | 31° / 88°F |
| July | 63 | 29° / 84°F | 27° / 81°F | 179 mm | 9 | 30° / 86°F |
| August | 63 | 29° / 84°F | 27° / 81°F | 166 mm | 9 | 30° / 86°F |
| September | 63 | 29° / 84°F | 27° / 81°F | 176 mm | 9 | 31° / 88°F |
| October | 63 | 29° / 84°F | 27° / 81°F | 215 mm | 9 | 31° / 88°F |
| November | 63 | 28° / 82°F | 27° / 81°F | 300 mm | 9 | 31° / 88°F |
| December | 63 | 28° / 82°F | 26° / 79°F | 314 mm | 8 | 30° / 86°F |
Sea temperature in Batam by month
The sea off Batam is warmest in April at around 32°C / 90°F, and coolest in January at 29°C / 84°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Head-to-head
How Batam compares month by month: Batam vs Singapore · Batam vs Tanjung Pinang-Bintan Island · Batam vs Johor Bahru · all comparisons
Batam: questions and answers
What kind of destination is Batam?
Batam is a coastal city break in Indonesia with a tropical rainforest climate — the sea reaches 32°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Batam get a year?
Batam gets about 2,051 hours of sunshine a year, at its best around February.
When is the best time to visit Batam?
The sunniest time to visit Batam is February, when the Sunshine Score peaks at 70/100 (with January and March close behind). Expect daytime highs around 28°C / 82°F.
What is the least sunny month in Batam?
January is the least sunny month in Batam, scoring 63/100 with about 241 mm of rain.
What is the sea temperature in Batam?
The sea in Batam ranges from about 29°C (January) to 32°C (April). Month-by-month sea temperatures are on this page.
How strong is the sun in Batam?
The typical midday UV index in Batam peaks around 11 (extreme) in February, easing to about 8 (very high) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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