Gili Trawangan (Gili Islands) weather in May
Indonesia

May in Gili Trawangan: sweltering, a little rain, with clean air — fine if you can take 36°C afternoons.
#5 of 12 months in Gili Trawangan · #252 of 1383 destinations to visit in May · comfort 88/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Gili Trawangan in May
Other months in Gili Trawangan
Gili Trawangan's forum calls July and August the pick of the year weather-wise, with regulars flagging late July as the point high season really kicks in — expect the busiest boats and beaches from here through September. The trade-off for the reliable weather is the crowds, so regulars suggest booking accommodation ahead.
Add your own note from Gili Trawangan's card on the map.
Gili Trawangan climate normals — May
| Daytime high | 30°C / 85°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 78°F | |
| Feels like (high) | 36°C / 97°F | |
| Sea temperature | 30°C / 85°F | ♨️ bath-warm |
| Rainfall | 48 mm / 1.9 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 11.7 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Gili Trawangan 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.
BusyDry season, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Gili Trawangan'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 weatherGili Trawangan's weather peaks July–September, best around August.
Best weatherFair weatherToughest weather
What's on in Gili Trawangan in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Dry season
15 Apr – 15 Oct · usuallyCrowdedThe crossings stay calm, the reef off the northwest corner clears up and the sunset side of the island is three deep at six o'clock. High season on a car-free island.
- Nature
Turtle nesting
1 May – 31 Oct · usuallyGreen turtles come up the beaches through the dry months and the island's hatcheries move the clutches out of the way of foot traffic. Sightings in the water are a year-round thing.
Nearby, and something's on
Within 300 km of Gili Trawangan — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Gili Trawangan?
Gili Trawangan in May — FAQ
- Is May a good time to visit Gili Trawangan?
- May in Gili Trawangan: sweltering, a little rain, with clean air — fine if you can take 36°C afternoons. It ranks #5 of 12 months for Gili Trawangan on SeasonMap's comfort score (88/100).
- What is the weather like in Gili Trawangan in May?
- In May, Gili Trawangan averages a daily high of 29.7°C and a low of 25.4°C, with about 48.2 mm of rain over roughly 11.6 rainy days.
- What is the air quality in Gili Trawangan in May?
- Gili Trawangan has a mean US Air Quality Index of about 45 in May.
Other months in Gili Trawangan
Compare Gili Trawangan in May
Warmer or cooler than Gili Trawangan in May
Similar destinations in Southeast Asia — May
Within 300 km: Lombok's South coast surf season around 1 Apr – 31 Oct, and Nusa Penida's Dry season and the day-boat crush around 1 May – 31 Oct.