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Weather & Climate in Mondul Seima, Cambodia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mondul Seima has a warm climate with an average annual temperature of 81°F (27°C). Winters average 78°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 296 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 138.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 75 feet.
Temperature
78°F Jan (25°C)
81°F Jul (27°C)
| Annual Average | 80.7°F |
| 49% above US avg | |
| January Average | 78°F (25°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 296 days/yr |
Geography
| Elevation | 75 ft (23 m) |
| Area | 44.0 sq mi (114.0 km²) |
| Population Density | 0/sq mi |
| Coordinates | 11.6241°N, 102.9502°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 | 187 km |
| 1989 | Gay | Category 2 | 75 mph | 279 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (25°C) | 0.7 in | Coldest, Driest |
| February | 80°F (27°C) | 1.6 in | |
| March | 82°F (28°C) | 3.0 in | |
| April | 84°F (29°C) | 4.6 in | Warmest |
| May | 83°F (28°C) | 14.1 in | |
| June | 81°F (27°C) | 29.4 in | |
| July | 81°F (27°C) | 32.0 in | |
| August | 81°F (27°C) | 33.0 in | Wettest |
| September | 80°F (27°C) | 21.6 in | |
| October | 80°F (27°C) | 11.7 in | |
| November | 80°F (27°C) | 3.3 in | |
| December | 79°F (26°C) | 0.8 in |
Mondul Seima has a seasonal temperature swing of 6°F / from 78°F in January to 84°F in April. Total annual precipitation is 155.8 inches, with August being the wettest month (33.0") and January the driest (0.7").