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Weather & Climate in Sihanoukville, Cambodia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sihanoukville has a warm climate with an average annual temperature of 81°F (27°C). Winters average 80°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 172 sunny days per year. Annual precipitation totals 122.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 20 feet.
Temperature
80°F Jan (27°C)
81°F Jul (27°C)
| Annual Average | 81.3°F |
| 51% above US avg | |
| January Average | 80°F (27°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 172 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 30.9 sq mi (80.0 km²) |
| Population Density | 2,364/sq mi |
| Coordinates | 10.6093°N, 103.5296°W |
| Timezone | Asia/Phnom_Penh |
Precipitation & Snow
Air Quality
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 1997 | Linda | Category 1 | 58 mph | 126 km |
| 1989 | Gay | Category 2 | 69 mph | 264 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (27°C) | 0.6 in | Coldest, Driest |
| February | 81°F (27°C) | 1.2 in | |
| March | 83°F (28°C) | 4.0 in | |
| April | 84°F (29°C) | 5.4 in | Warmest |
| May | 83°F (28°C) | 12.5 in | |
| June | 82°F (28°C) | 19.6 in | |
| July | 81°F (27°C) | 24.1 in | Wettest |
| August | 81°F (27°C) | 20.4 in | |
| September | 81°F (27°C) | 19.0 in | |
| October | 81°F (27°C) | 11.3 in | |
| November | 80°F (27°C) | 3.8 in | |
| December | 80°F (27°C) | 0.9 in |
Sihanoukville has a seasonal temperature swing of 5°F / from 80°F in January to 84°F in April. Total annual precipitation is 122.8 inches, with July being the wettest month (24.1") and January the driest (0.6").