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Weather & Climate in Sesan, Cambodia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sesan has a warm climate with an average annual temperature of 80°F (27°C). Winters average 77°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 337 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 90.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 197 feet.
Temperature
77°F Jan (25°C)
82°F Jul (28°C)
| Annual Average | 80.3°F |
| 49% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 337 days/yr |
Geography
| Elevation | 197 ft (60 m) |
| Area | 309.6 sq mi (801.9 km²) |
| Population Density | 0/sq mi |
| Coordinates | 13.5533°N, 106.0922°W |
| Timezone | Asia/Phnom_Penh |
Precipitation & Snow
Air Quality
Hurricane History
8 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2017 | Damrey | Category 1 | — | 286 km |
| 2006 | Xangsane | Category 2 | 81 mph | 244 km |
| 2004 | Chanthu | Category 1 | 63 mph | 284 km |
| 2001 | Lingling | Category 1 | — | 293 km |
| 1995 | Zack | Category 1 | 58 mph | 289 km |
| 1993 | Kyle | Category 1 | 69 mph | 200 km |
| 1993 | Lola | Category 1 | — | 277 km |
| 1984 | Agnes | Category 1 | — | 263 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 0.1 in | Driest |
| February | 79°F (26°C) | 0.4 in | |
| March | 83°F (28°C) | 0.8 in | |
| April | 85°F (29°C) | 2.5 in | Warmest |
| May | 83°F (29°C) | 8.5 in | |
| June | 82°F (28°C) | 11.4 in | |
| July | 82°F (28°C) | 13.9 in | |
| August | 81°F (27°C) | 13.8 in | |
| September | 81°F (27°C) | 15.2 in | Wettest |
| October | 80°F (26°C) | 7.1 in | |
| November | 78°F (25°C) | 1.8 in | |
| December | 75°F (24°C) | 0.4 in | Coldest |
Sesan has a seasonal temperature swing of 9°F / from 75°F in December to 85°F in April. Total annual precipitation is 75.9 inches, with September being the wettest month (15.2") and January the driest (0.1").