Tioman Island Water Temperature

Updated Tue 10:08 (Asia/Kuala_Lumpur)

Malaysia · Forecast updated Sep 22, 2026, 10:08 UTC

← Snorkel forecast for Tioman Island

Current Sea Temperature

29.4°C

84.9°F

Very warm water

Valid Sep 22, 2026, 10:08 (Asia/Kuala_Lumpur). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.

Versus this month's average

Close to average

The typical September average is 29.3°C (84.7°F) from the historical baseline.

Recent trend

Holding fairly steady

Seven-day average: 29.4°C, versus 29.2°C in the prior seven days.

What to wear

Very warm water

Swimwear is usually enough; a rash guard adds sun protection.

Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions or replace the snorkel forecast.

Typical Sea Temperature Over the Year

In the historical baseline for Tioman Island, typical monthly averages range from about 28.1°C (82.6°F) in January to 30.6°C (87.1°F) in May.

Over the past 30 days, the average sea temperature in Tioman Island has been 29.3°C.

Historical baseline (full year)

Northern Hemisphere. Summer is generally June–August; winter is December–February.

Typical monthly sea-surface temperature near Tioman Island, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.

Month Typical range Average
January 28.0–28.3°C 28.1°C / 82.6°F
February 27.6–28.6°C 28.1°C / 82.6°F
March 27.9–29.5°C 28.8°C / 83.8°F
April 30.0–30.8°C 30.3°C / 86.5°F
May 30.1–30.9°C 30.6°C / 87.1°F
June 29.2–30.2°C 29.7°C / 85.5°F
July 29.3–29.7°C 29.4°C / 84.9°F
August 28.9–29.3°C 29.1°C / 84.4°F
September 29.0–29.5°C 29.3°C / 84.7°F
October 30.0–30.3°C 30.2°C / 86.4°F
November 30.3–30.6°C 30.4°C / 86.7°F
December 28.6–29.0°C 28.9°C / 84.0°F

Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (2.79, 104.21). Each month is the mean of yearly monthly means; the range is the lowest and highest of those yearly monthly means. Open-Meteo methodology.

Water temperature by month

Each month uses the 2023–2025 baseline. The range is the lowest and highest yearly monthly mean, not an hourly extreme.

Tioman Island in January

Typical January water temperature near Tioman Island is 28.1°C (82.6°F), with yearly monthly means from 28.0–28.3°C.

Tioman Island in February

Typical February water temperature near Tioman Island is 28.1°C (82.6°F), with yearly monthly means from 27.6–28.6°C.

Tioman Island in March

Typical March water temperature near Tioman Island is 28.8°C (83.8°F), with yearly monthly means from 27.9–29.5°C.

Tioman Island in April

Typical April water temperature near Tioman Island is 30.3°C (86.5°F), with yearly monthly means from 30.0–30.8°C.

Tioman Island in May

Typical May water temperature near Tioman Island is 30.6°C (87.1°F), with yearly monthly means from 30.1–30.9°C.

Tioman Island in June

Typical June water temperature near Tioman Island is 29.7°C (85.5°F), with yearly monthly means from 29.2–30.2°C.

Tioman Island in July

Typical July water temperature near Tioman Island is 29.4°C (84.9°F), with yearly monthly means from 29.3–29.7°C.

Tioman Island in August

Typical August water temperature near Tioman Island is 29.1°C (84.4°F), with yearly monthly means from 28.9–29.3°C.

Tioman Island in September

Typical September water temperature near Tioman Island is 29.3°C (84.7°F), with yearly monthly means from 29.0–29.5°C.

Tioman Island in October

Typical October water temperature near Tioman Island is 30.2°C (86.4°F), with yearly monthly means from 30.0–30.3°C.

Tioman Island in November

Typical November water temperature near Tioman Island is 30.4°C (86.7°F), with yearly monthly means from 30.3–30.6°C.

Tioman Island in December

Typical December water temperature near Tioman Island is 28.9°C (84.0°F), with yearly monthly means from 28.6–29.0°C.

Forecast archive (growing)

These values come from hourly forecasts SnorkelForecast has stored. They cover only months with records and do not replace the historical baseline.

Month Min Average Max
June 28.5°C / 83.3°F 29.3°C / 84.7°F 30.0°C / 86.0°F
July 28.8°C / 83.8°F 29.3°C / 84.7°F 29.6°C / 85.3°F
August 28.8°C / 83.8°F 29.1°C / 84.4°F 29.4°C / 84.9°F
September 29.1°C / 84.4°F 29.3°C / 84.8°F 30.0°C / 86.0°F

Partial coverage: 4 calendar months with records. Profile calculated from 2731 hourly forecast records across 4 monthly periods. This is a growing archive, not a long-term climate normal.

About the water at Tioman Island

Forested South China Sea island with coral bays and easy reef access.

Area
Pahang

Tioman Island Water Temperature: Common Questions

What is the water temperature in Tioman Island today?

The current sea surface temperature near Tioman Island is 29.4°C (84.9°F). Over the last 30 days, the average has been 29.3°C.

When is the water warmest in Tioman Island?

The water is typically warmest in May, at around 30.6°C (87.1°F) in the 2023–2025 historical baseline.

When is the water coldest in Tioman Island?

The water is typically coldest in January, at around 28.1°C (82.6°F) in the same historical baseline.

Can you swim in Tioman Island today?

At 29.4°C, the water is usually comfortable for swimming and snorkeling.

Full Snorkeling Forecast

See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Tioman Island.

View Snorkel Forecast →