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Weather & Climate in Mersing, Malaysia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mersing has a warm climate with an average annual temperature of 80°F (27°C). Winters average 78°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 158 sunny days per year, below the national average of 205. Annual precipitation totals 109.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 26 feet.
Temperature
78°F Jan (26°C)
80°F Jul (27°C)
| Annual Average | 79.9°F |
| 48% above US avg | |
| January Average | 78°F (26°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 158 days/yr |
Geography
| Elevation | 26 ft (8 m) |
| Area | 2,434.9 sq mi (6,306.4 km²) |
| Population Density | 9/sq mi |
| Coordinates | 2.4312°N, 103.8405°W |
| Timezone | Asia/Kuala_Lumpur |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| Aug 23, 2025 | 13 km ESE of Segamat, Malaysia | M4.0 | 101 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2001 | Vamei | Category 1 | 52 mph | 121 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (26°C) | 12.5 in | Coldest |
| February | 79°F (26°C) | 6.3 in | |
| March | 80°F (27°C) | 5.9 in | Driest |
| April | 81°F (27°C) | 6.4 in | |
| May | 81°F (27°C) | 6.3 in | Warmest |
| June | 81°F (27°C) | 5.9 in | |
| July | 80°F (27°C) | 6.6 in | |
| August | 80°F (27°C) | 7.3 in | |
| September | 80°F (27°C) | 7.1 in | |
| October | 80°F (27°C) | 8.3 in | |
| November | 79°F (26°C) | 14.1 in | |
| December | 79°F (26°C) | 23.0 in | Wettest |
Mersing has a seasonal temperature swing of 3°F / from 78°F in January to 81°F in May. Total annual precipitation is 109.7 inches, with December being the wettest month (23.0") and March the driest (5.9").