Biak weather by month & the best time to visit
🇮🇩 Indonesia · beach resort · tropical rainforest climate
The best time to visit Biak is January — its sunniest month (Sunshine Score 63/100), with February and March close behind. Biak averages about 2,053 hours of sunshine a year. Daytime highs around 28°C / 82°F and roughly 270 mm of rain in January.
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- Sun hours / year
- 2,053
- Sunniest month
- January
- Peak score
- 63/100
- Rain / year
- 2,878 mm
- Midday UV at peak
- 11 (extreme)
- Sea at warmest
- 31°C / 88°F
- Population
- 42k
- Elevation
- 13 m
When is the best time to visit Biak?
For sunshine, the best time to visit Biak is January, then February and March. The dullest month is January (63/100, 270 mm of rain). The full month-by-month picture is in the table below.
How sunny is Biak?
Biak gets a moderate 2,053 hours of sunshine a year. Conditions barely change through the year — only 0 Sunshine Score points separate January from January. It ranks #87 of 119 destinations in Indonesia for annual sunshine, below the national median of 2,183 hours. The year's 2,878 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 | 27° / 81°F | 270 mm | 10 | 31° / 88°F |
| February | 63 | 28° / 82°F | 27° / 81°F | 203 mm | 11 | 30° / 86°F |
| March | 63 | 28° / 82°F | 27° / 81°F | 267 mm | 11 | 30° / 86°F |
| April | 63 | 29° / 84°F | 27° / 81°F | 238 mm | 11 | 31° / 88°F |
| May | 63 | 29° / 84°F | 28° / 82°F | 224 mm | 10 | 31° / 88°F |
| June | 63 | 28° / 82°F | 27° / 81°F | 276 mm | 9 | 31° / 88°F |
| July | 63 | 28° / 82°F | 27° / 81°F | 261 mm | 9 | 30° / 86°F |
| August | 63 | 28° / 82°F | 27° / 81°F | 219 mm | 10 | 31° / 88°F |
| September | 63 | 28° / 82°F | 27° / 81°F | 223 mm | 11 | 31° / 88°F |
| October | 63 | 29° / 84°F | 28° / 82°F | 217 mm | 11 | 31° / 88°F |
| November | 63 | 29° / 84°F | 28° / 82°F | 207 mm | 10 | 31° / 88°F |
| December | 63 | 29° / 84°F | 28° / 82°F | 273 mm | 10 | 31° / 88°F |
Sea temperature in Biak by month
The sea off Biak is warmest in January at around 31°C / 88°F, and coolest in February at 30°C / 86°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.
See Biak on the interactive sunshine globe →
Nearby places for sunshine
- Manokwari Indonesia · 231 km · best in Oct · 2,192 h sun/yr
- Wamena Indonesia · 452 km · best in Jan · 1,717 h sun/yr
- Jayapura Indonesia · 514 km · best in Oct · 2,054 h sun/yr
- Sorong Indonesia · 537 km · best in Jan · 2,389 h sun/yr
- Ambon Indonesia · 934 km · best in Nov · 2,194 h sun/yr
- Merauke Indonesia · 945 km · best in Aug · 2,324 h sun/yr
Nearest destinations
- Bilogai Indonesia · 301 km · 2,134 h sun/yr · best in Jan
- Timika Indonesia · 381 km · 1,944 h sun/yr · best in Jan
- Kaimana Indonesia · 383 km · 2,162 h sun/yr · best in Jan
- Bokondini Indonesia · 398 km · 2,119 h sun/yr · best in Jan
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