SeasonMapRaja Ampat (Waisai) weather in May
Indonesia
May in Raja Ampat: sweltering, soaked, with clean air — fine if you can take 28 rainy days.
#5 of 12 months in Raja Ampat · #1042 of 1383 destinations to visit in May · comfort 68/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Raja Ampat in May
Other months in Raja Ampat
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 — May
| Daytime high | 29°C / 84°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Feels like (high) | 35°C / 95°F | |
| Sea temperature | 30°C / 87°F | ♨️ bath-warm |
| Rainfall | 370 mm / 14.6 in | ⛈ soaked |
| Rainy days | 28 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 12.1 h | |
| Wind | 10 km/h / 6 mph | |
| Air quality (US AQI) | 18 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Raja Ampat in May
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.
Shoulder seasonschool holidays in 2 of the markets that fill it, an ordinary month(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 May
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
Wet season
MonsoonRisk28 rainy days and about 370 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Where is Raja Ampat?
Raja Ampat in May — FAQ
- Is May a good time to visit Raja Ampat?
- May in Raja Ampat: sweltering, soaked, with clean air — fine if you can take 28 rainy days. It ranks #5 of 12 months for Raja Ampat on SeasonMap's comfort score (68/100).
- What is the weather like in Raja Ampat in May?
- In May, Raja Ampat averages a daily high of 28.9°C and a low of 25.9°C, with about 370.1 mm of rain over roughly 28 rainy days.
- What is the air quality in Raja Ampat in May?
- Raja Ampat has a mean US Air Quality Index of about 18 in May.