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Weather & Climate in Un, Cambodia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Un has a warm climate with an average annual temperature of 79°F (26°C). Winters average 74°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 202 sunny days per year. Annual precipitation totals 93.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 751 feet.
Temperature
74°F Jan (23°C)
81°F Jul (27°C)
| Annual Average | 78.7°F |
| 46% above US avg | |
| January Average | 74°F (23°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 202 days/yr |
Geography
| Elevation | 751 ft (229 m) |
| Area | 309.4 sq mi (801.2 km²) |
| Population Density | 2/sq mi |
| Coordinates | 13.6752°N, 107.3369°W |
| Timezone | Asia/Phnom_Penh |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Apr 18, 2022 | 46 km NNE of Kon Tum, Vietnam | M4.8 | 148 km | 10 km |
| Aug 23, 2022 | 43 km NNE of Kon Tum, Vietnam | M4.8 | 145 km | 10 km |
| Apr 4, 2021 | 38 km NE of Kon Tum, Vietnam | M4.4 | 143 km | 13 km |
| Apr 27, 2024 | 45 km NNE of Kon Tum, Vietnam | M4.0 | 147 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
17 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kalmaegi | Category 3 | — | 191 km |
| 2022 | Noru | Category 2 | 98 mph | 252 km |
| 2020 | Molave | Category 1 | 92 mph | 217 km |
| 2017 | Damrey | Category 2 | 81 mph | 182 km |
| 2013 | Nari | Category 1 | 81 mph | 254 km |
| 2009 | Ketsana | Category 2 | 81 mph | 220 km |
| 2009 | Mirinae | Category 1 | 52 mph | 270 km |
| 2006 | Xangsane | Category 2 | 86 mph | 219 km |
| 2004 | Chanthu | Category 1 | 69 mph | 149 km |
| 2001 | Lingling | Category 3 | 58 mph | 158 km |
| 1997 | Fritz | Category 1 | 63 mph | 244 km |
| 1995 | Zack | Category 3 | 92 mph | 169 km |
| 1995 | Yvette | Category 1 | 58 mph | 257 km |
| 1993 | Lola | Category 3 | 75 mph | 185 km |
| 1993 | Kyle | Category 2 | 75 mph | 81 km |
| 1989 | Cecil | Category 1 | 69 mph | 277 km |
| 1984 | Agnes | Category 2 | 69 mph | 134 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 74°F (23°C) | 0.0 in | Coldest, Driest |
| February | 75°F (24°C) | 0.2 in | |
| March | 79°F (26°C) | 0.8 in | |
| April | 82°F (28°C) | 1.9 in | |
| May | 82°F (28°C) | 9.6 in | Warmest |
| June | 82°F (28°C) | 12.8 in | |
| July | 81°F (27°C) | 20.9 in | Wettest |
| August | 81°F (27°C) | 19.5 in | |
| September | 80°F (27°C) | 17.1 in | |
| October | 78°F (26°C) | 7.9 in | |
| November | 76°F (25°C) | 2.1 in | |
| December | 74°F (23°C) | 0.4 in |
Un has a seasonal temperature swing of 9°F / from 74°F in January to 82°F in May. Total annual precipitation is 93.2 inches, with July being the wettest month (20.9") and January the driest (0.0").