SeasonMapRaja Ampat (Waisai) weather in October
Indonesia
October in Raja Ampat: sweltering, soaked, with clean air — fine if you can take 27 rainy days.
#6 of 12 months in Raja Ampat · #941 of 1383 destinations to visit in October · comfort 68/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Raja Ampat in October
Raja Ampat's forum rates the October-through-April window as the best overall, with October itself a genuine transition month — the strong south winds of July-September starting to calm, though rain can still turn up as the wet season approaches. Regulars flag October as a good stretch for marine life, with bait-fish schools and manta activity drawing divers to the sites.
Add your own note from Raja Ampat's card on the map.
Raja Ampat climate normals — October
| Daytime high | 29°C / 84°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 35°C / 95°F | |
| Sea temperature | 30°C / 86°F | ♨️ bath-warm |
| Rainfall | 329 mm / 13 in | ⛈ soaked |
| Rainy days | 27 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 12.1 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 21 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Raja Ampat in October
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyCalm season on the straits, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Raja Ampat's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherRaja Ampat's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Raja Ampat in October
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Rule
Marine park entry permit
1 Jan – 31 DecEvery visitor buys an entry tag valid for a calendar year, either online beforehand or at the authority office in Waisai. It funds the patrols, and it is checked on the boats. Source ↗
- Season
Calm season on the straits
15 Oct – 30 Apr · usuallyDry seasonCrowdedThe settled months for both liveaboards and homestays, when the crossings between the big islands are comfortable and the currents are workable. Book the boats a year out for the peak weeks.
- Season
Wet season
MonsoonRisk27 rainy days and about 329 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Where is Raja Ampat?
Raja Ampat in October — FAQ
- Is October a good time to visit Raja Ampat?
- October in Raja Ampat: sweltering, soaked, with clean air — fine if you can take 27 rainy days. It ranks #6 of 12 months for Raja Ampat on SeasonMap's comfort score (68/100).
- What is the weather like in Raja Ampat in October?
- In October, Raja Ampat averages a daily high of 28.7°C and a low of 25.8°C, with about 329.2 mm of rain over roughly 26.7 rainy days.
- What is the air quality in Raja Ampat in October?
- Raja Ampat has a mean US Air Quality Index of about 21 in October.