Tioman weather in May
May in Tioman: hot, soaked, with clean air — fine if you can take 25 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#8 of 12 months in Tioman · #878 of 1413 destinations to visit in May · comfort 77/100 (tier B)
- Days
- 25°C
- Nights
- 23°C
- Wet days
- 25
- Sun
- 10.3 h
- Humidity
- 81%
- Daylight
- 12 h
Traveller notes on Tioman in May
Other months in Tioman
Tioman's forum consistently places September within the South-West Monsoon window that's generally considered favorable here, since most of the moisture has already dropped over Sumatra before reaching the island - one traveler who'd just returned described it as hot, sunny and windy rather than wet. That said, this is still a genuinely rainy tropical island even in its better months, with regular showers part of daily life; the real distinction posters draw is against October through December, when rain becomes far more frequent and the seas noticeably rougher. September is the calmer side of that comparison, not a dry month outright.
Forum posters are direct that November through March is the northeast monsoon season on Tioman, generally advising against a visit during that stretch given the real chance of heavy rain and choppy seas that this East Coast Malaysian island shares with nearby Redang and the Perhentians. Posters do flag genuine improvement by late March specifically, since the monsoon typically wraps up just before Easter - meaning conditions by the back half of the month should already be trending toward the hot, humid, drier pattern that runs from roughly mid-March through October. Posters generally recommend timing a March visit toward the later half of the month rather than earlier, to land past the worst of the lingering monsoon influence.
Add your own note from Tioman's card on the map.
Tioman climate normals — May
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Tioman 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.
BusyMid-year break in Malaysia, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Tioman'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 weatherTioman's best weather comes in February, March and July — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Tioman in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Rule
Marine park conservation fee
1 Jan – 31 DecEvery foreign visitor pays a marine park fee on arrival, collected at the Mersing ferry terminal or on landing. It is small, it is compulsory, and it is cash. Source ↗
- Season
Dive season
1 Mar – 31 Oct · usuallyThe months the dive shops are open and the crossing from Mersing is routine. Visibility is best either side of midyear, and the whole island's economy runs on this half of the calendar. Source ↗
- Nature
Turtle nesting season
15 Mar – 31 Oct · usuallyGreen and hawksbill turtles nest on the east-coast beaches, peaking in June to August; the Juara Turtle Project runs the hatchery and night releases, and nesting has wound down by November. Source ↗
Nearby, and something's on
Within 300 km of Tioman — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Tioman?
Tioman in May — FAQ
- Is May a good time to visit Tioman?
- May in Tioman: hot, soaked, with clean air — fine if you can take 25 rainy days. It ranks #8 of 12 months for Tioman on SeasonMap's comfort score (77/100).
- What is the weather like in Tioman in May?
- In May, Tioman averages a daily high of 25.1°C and a low of 23.2°C, with about 169.6 mm of rain over roughly 24.8 rainy days.
- What is the air quality in Tioman in May?
- Tioman has a mean US Air Quality Index of about 42 in May.
Within 300 km: Singapore's Vesak Day on 31 May, and Kuala Lumpur's Wesak Day procession on 31 May.