Tioman weather in December
December in Tioman: warm, soaked, with clean air — a gamble, with 25 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#12 of 12 months in Tioman · #1003 of 1413 destinations to visit in December · comfort 59/100 (tier D)
- Days
- 23°C
- Nights
- 22°C
- Wet days
- 25
- Sun
- 8.5 h
- Humidity
- 83%
- Daylight
- 12 h
Traveller notes on Tioman in December
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 — December
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Tioman in December
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.
BusyYear-end break in Malaysia, school holidays in 5 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).
Toughest 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 December
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 ↗
- Closure
Monsoon shutdown
1 Nov – 20 Feb · usuallyThe northeast monsoon closes most of the resorts and dive shops from about the end of October to late February, and the ferries drop to a thin service that stops altogether in bad weather. Source ↗
- Season
Wet season
MonsoonRisk25 rainy days and about 433 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
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 December — FAQ
- Is December a good time to visit Tioman?
- December in Tioman: warm, soaked, with clean air — a gamble, with 25 rainy days. It ranks #12 of 12 months for Tioman on SeasonMap's comfort score (59/100).
- What is the weather like in Tioman in December?
- In December, Tioman averages a daily high of 23.4°C and a low of 22°C, with about 432.6 mm of rain over roughly 24.6 rainy days.
- What is the air quality in Tioman in December?
- Tioman has a mean US Air Quality Index of about 37 in December.
Within 300 km: Singapore's Christmas on Orchard Road on 10 Nov – 2 Jan.