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Weather & Climate in Sematan, Malaysia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sematan has a warm climate with an average annual temperature of 78°F (26°C). Winters average 76°F in January while summers reach 79°F in July / relatively mild seasonal variation. The area gets 134 sunny days per year, below the national average of 205. Annual precipitation totals 143.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 30 feet.
Temperature
76°F Jan (25°C)
79°F Jul (26°C)
| Annual Average | 78.0°F |
| 44% above US avg | |
| January Average | 76°F (25°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 134 days/yr |
Geography
| Elevation | 30 ft (9 m) |
| Area | 1,350.9 sq mi (3,498.8 km²) |
| Population Density | 5/sq mi |
| Coordinates | 1.8000°N, 109.7667°W |
| Timezone | Asia/Kuching |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Jan 11, 2022 | 106 km NW of Kuching, Malaysia | M4.2 | 59 km | 13 km |
| Mar 14, 2015 | 184 km N of Pemangkat, Indonesia | M4.0 | 134 km | 15 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (25°C) | 25.8 in | Coldest, Wettest |
| February | 77°F (25°C) | 22.5 in | |
| March | 78°F (25°C) | 14.8 in | |
| April | 79°F (26°C) | 8.2 in | |
| May | 79°F (26°C) | 6.5 in | Warmest |
| June | 79°F (26°C) | 5.3 in | Driest |
| July | 79°F (26°C) | 5.6 in | |
| August | 79°F (26°C) | 6.3 in | |
| September | 78°F (26°C) | 7.1 in | |
| October | 78°F (26°C) | 9.8 in | |
| November | 78°F (25°C) | 12.0 in | |
| December | 77°F (25°C) | 19.5 in |
Sematan has a seasonal temperature swing of 3°F / from 76°F in January to 79°F in May. Total annual precipitation is 143.3 inches, with January being the wettest month (25.8") and June the driest (5.3").