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Weather & Climate in Koah Thum, Cambodia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Koah Thum has a warm climate with an average annual temperature of 82°F (28°C). Winters average 78°F in January while summers reach 83°F in July / relatively mild seasonal variation. The area gets 325 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 90.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 43 feet.
Temperature
78°F Jan (25°C)
83°F Jul (28°C)
| Annual Average | 81.9°F |
| 52% above US avg | |
| January Average | 78°F (25°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 325 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 193.6 sq mi (501.3 km²) |
| Population Density | 0/sq mi |
| Coordinates | 11.1242°N, 105.0572°W |
| Timezone | Asia/Phnom_Penh |
Precipitation & Snow
Air Quality
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 1997 | Linda | Category 1 | 58 mph | 251 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (25°C) | 0.4 in | Coldest |
| February | 81°F (27°C) | 0.3 in | Driest |
| March | 83°F (29°C) | 1.2 in | |
| April | 85°F (30°C) | 3.2 in | Warmest |
| May | 84°F (29°C) | 6.1 in | |
| June | 83°F (28°C) | 5.1 in | |
| July | 83°F (28°C) | 5.4 in | |
| August | 82°F (28°C) | 5.2 in | |
| September | 82°F (28°C) | 8.1 in | |
| October | 81°F (27°C) | 10.1 in | Wettest |
| November | 80°F (27°C) | 5.4 in | |
| December | 79°F (26°C) | 1.4 in |
Koah Thum has a seasonal temperature swing of 8°F / from 78°F in January to 85°F in April. Total annual precipitation is 51.9 inches, with October being the wettest month (10.1") and February the driest (0.3").