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Weather & Climate in Tanjung Balai, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tanjung Balai has a warm climate with an average annual temperature of 79°F (26°C). Winters average 78°F in January while summers reach 79°F in July / relatively mild seasonal variation. The area gets 180 sunny days per year. Annual precipitation totals 86.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 30 feet.
Temperature
78°F Jan (26°C)
79°F Jul (26°C)
| Annual Average | 79.1°F |
| 46% above US avg | |
| January Average | 78°F (26°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 180 days/yr |
Geography
| Elevation | 30 ft (9 m) |
| Area | 1,557.1 sq mi (4,032.9 km²) |
| Population Density | 31/sq mi |
| Coordinates | 1.0001°N, 103.4219°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| May 25, 2008 | 68 km SSW of Batu Pahat, Malaysia | M3.8 | 97 km | 35 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 | 122 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (26°C) | 6.1 in | Coldest |
| February | 79°F (26°C) | 4.4 in | Driest |
| March | 79°F (26°C) | 5.9 in | |
| April | 80°F (27°C) | 8.4 in | |
| May | 80°F (27°C) | 7.4 in | Warmest |
| June | 80°F (27°C) | 6.4 in | |
| July | 79°F (26°C) | 6.1 in | |
| August | 79°F (26°C) | 7.0 in | |
| September | 79°F (26°C) | 7.8 in | |
| October | 79°F (26°C) | 9.1 in | |
| November | 78°F (26°C) | 9.8 in | Wettest |
| December | 78°F (26°C) | 8.0 in |
Tanjung Balai has a seasonal temperature swing of 2°F / from 78°F in January to 80°F in May. Total annual precipitation is 86.2 inches, with November being the wettest month (9.8") and February the driest (4.4").