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Tioman Island Climate Guide

Tioman Island Weather by Month

Complete month-by-month climate data — temperature, rainfall, sea conditions, and diving visibility. Operating season runs 1 March to 31 October.

wb_sunnyBest weather: Apr–Jun scuba_divingBest diving: Apr–May & Sep groupsPeak crowds: Jun–Aug lockClosed: Nov–Feb
Month-by-Month

Detailed Month-by-Month Breakdown

Temperature, rainfall, sea conditions, and diving visibility for every calendar month.

January Closed
Day High
28–30°C
Night Low
23–25°C
Sea Temp
27°C
Rainfall
300 mm
Sea Conditions
Very rough — 3–6 m waves

Peak monsoon. No ferry or speedboat services. Not possible to visit.

February Closed
Day High
29–31°C
Night Low
23–26°C
Sea Temp
27°C
Rainfall
200 mm
Sea Conditions
Rough — transition phase

Monsoon ending. All ferry services remain suspended.

March Quiet Season
Day High
30–32°C
Night Low
24–26°C
Sea Temp
28°C
Rainfall
130 mm
Sea Conditions
Stabilising — occasional swell in first two weeks
Diving Visibility
10–20 m (improving)
Crowds
Very low

Operations resume 1 March. Some operators still ramping up. Weather-dependent early in month.

April Ideal
Day High
31–32°C
Night Low
24–26°C
Sea Temp
29°C
Rainfall
110 mm
Sea Conditions
Calm — ideal conditions
Diving Visibility
15–25 m (excellent)
Crowds
Moderate

Best month for diving, snorkelling, and photography. Peak conditions with moderate crowds.

May Ideal — Best Month
Day High
31–33°C
Night Low
25–27°C
Sea Temp
30°C
Rainfall
120 mm
Sea Conditions
Very calm
Diving Visibility
20–30 m (peak)
Crowds
Moderate to high (school holidays onset)

Peak diving visibility. Often considered the single best month for Tioman. Labour Day and Wesak Day create brief busy spells.

June Ideal but Busy
Day High
31–33°C
Night Low
25–27°C
Sea Temp
30°C
Rainfall
150 mm
Sea Conditions
Calm to slightly choppy
Diving Visibility
15–25 m
Crowds
High — mid-year school holidays

Excellent weather. Book 4–6 weeks in advance. Peak season pricing starts.

July Peak Season
Day High
31–33°C
Night Low
25–27°C
Sea Temp
30°C
Rainfall
180 mm
Sea Conditions
Mostly calm — occasional afternoon thunderstorms
Diving Visibility
15–25 m
Crowds
Highest of the year

Hottest month. Strong UV — reef-safe sunscreen essential. Book 6–8 weeks ahead.

August Peak Season
Day High
30–32°C
Night Low
25–26°C
Sea Temp
30°C
Rainfall
200 mm
Sea Conditions
Variable — occasional storms
Diving Visibility
12–20 m
Crowds
Very high — school holidays, National Day

Afternoon thunderstorms possible. National Day (31 Aug) creates long-weekend surge.

September Ideal
Day High
29–31°C
Night Low
24–26°C
Sea Temp
29°C
Rainfall
180 mm
Sea Conditions
Calmer — post-peak
Diving Visibility
15–25 m (improving)
Crowds
Moderate — post-school holidays

Excellent conditions with far fewer crowds. Malaysia Day (16 Sep) creates a short busy spell.

October End of Season
Day High
28–30°C
Night Low
24–26°C
Sea Temp
28°C
Rainfall
250 mm
Sea Conditions
Variable — monsoon transition
Diving Visibility
10–20 m (decreasing)
Crowds
Low

Last operating month. Budget-friendly. Build in 1–2 day buffer for weather delays.

November Closed
Day High
27–29°C
Night Low
23–25°C
Sea Temp
28°C
Rainfall
400 mm
Sea Conditions
Rough — 3–5 m waves

Monsoon begins 1 November. Mandatory closure — no sailings.

December Closed
Day High
27–29°C
Night Low
23–25°C
Sea Temp
27°C
Rainfall
450 mm
Sea Conditions
Severe — 4–6 m waves

Peak monsoon. Heaviest rainfall of the year. No sailings.

At a Glance

Average Temperature & Rainfall Comparison

General averages. Year-to-year variation can be significant.

Month Day High Night Low Sea Temp Rainfall Status
January 28–30°C 23–25°C 27°C 300 mm Closed
February 29–31°C 23–26°C 27°C 200 mm Closed
March 30–32°C 24–26°C 28°C 130 mm Quiet Season
April 31–32°C 24–26°C 29°C 110 mm Ideal
May 31–33°C 25–27°C 30°C 120 mm Ideal — Best Month
June 31–33°C 25–27°C 30°C 150 mm Ideal but Busy
July 31–33°C 25–27°C 30°C 180 mm Peak Season
August 30–32°C 25–26°C 30°C 200 mm Peak Season
September 29–31°C 24–26°C 29°C 180 mm Ideal
October 28–30°C 24–26°C 28°C 250 mm End of Season
November 27–29°C 23–25°C 28°C 400 mm Closed
December 27–29°C 23–25°C 27°C 450 mm Closed
What Matters to You

When to Visit Based on Your Priority

wb_sunny

Best weather

April to June — calm seas, low rain, hot sun.

scuba_diving

Best diving

April–May (20–30 m visibility). September also excellent.

thermostat

Coolest in season

March (start of season) and October (end of season).

water_drop

Driest conditions

April–May — lowest rainfall in the operating season.

surfing

Surfing (Juara)

March–May — south-easterly swell on the east coast.

savings

Budget travel

Mid-March, October, or mid-week throughout the season.

Frequently Asked Questions

Tioman Weather — FAQs

01 What is the weather in Tioman in July? expand_more
July is one of the hottest months with daytime temperatures of 31–33 degrees Celsius. Rainfall is moderate (150–200 mm), and sea conditions are mostly calm with occasional afternoon thunderstorms. School holidays mean peak crowds and the highest prices of the year.
02 What is the rainiest month in Tioman? expand_more
December averages 400–450 mm of rainfall — the heaviest month and part of the monsoon closure. During the operating season (March–October), October has the highest rainfall at 200–300 mm.
03 What is the best month for clear water at Tioman? expand_more
May offers peak diving visibility of 20–30 metres, making it the best month for underwater clarity. April and September also offer excellent visibility of 15–25 metres.
04 How hot does Tioman get? expand_more
Tioman's hottest months are May to July, with daytime highs of 31–33 degrees Celsius. Night-time lows during these months are 25–27 degrees. Sea temperature is consistently warm at 28–30 degrees year-round.
05 When are sea conditions calmest at Tioman? expand_more
April to June and September offer the calmest sea conditions, with small waves and minimal swell. These months are ideal for snorkelling, diving, and travellers prone to seasickness.
06 Is Tioman cooler in March? expand_more
March daytime temperatures (30–32 °C) are similar to April and May. Night-time lows can be slightly cooler (24–26 °C), and sea conditions are still stabilising from the monsoon transition.
07 What month should I avoid for a Tioman trip? expand_more
November to February are mandatory closure months — you cannot visit. During the operating season, October carries the highest rain risk. June to August have the largest crowds. For the best balance of weather and experience, visit mid-March to May or September.

Found Your Ideal Weather Window?

Book your Tanjung Gemok to Tioman speedboat — 60-minute crossing, daily sailings from 1 March to 31 October.

confirmation_number Book your speedboat ticket sailing Tg Gemok → Tioman route