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Weather & Climate in Siem Pang, Cambodia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Siem Pang has a warm climate with an average annual temperature of 80°F (27°C). Winters average 76°F in January while summers reach 83°F in July / relatively mild seasonal variation. The area gets 331 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 109.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 233 feet.
Temperature
76°F Jan (25°C)
83°F Jul (28°C)
| Annual Average | 80.2°F |
| 49% above US avg | |
| January Average | 76°F (25°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 331 days/yr |
Geography
| Elevation | 233 ft (71 m) |
| Area | 309.4 sq mi (801.2 km²) |
| Population Density | 0/sq mi |
| Coordinates | 14.1173°N, 106.3884°W |
| Timezone | Asia/Phnom_Penh |
Precipitation & Snow
Air Quality
Hurricane History
14 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kalmaegi | Category 3 | — | 298 km |
| 2022 | Noru | Category 2 | 86 mph | 250 km |
| 2020 | Molave | Category 1 | 81 mph | 267 km |
| 2017 | Damrey | Category 1 | — | 291 km |
| 2013 | Nari | Category 1 | 75 mph | 270 km |
| 2009 | Ketsana | Category 2 | 81 mph | 262 km |
| 2006 | Xangsane | Category 2 | 81 mph | 174 km |
| 2004 | Chanthu | Category 1 | 63 mph | 251 km |
| 2001 | Lingling | Category 1 | — | 267 km |
| 1997 | Fritz | Category 1 | 63 mph | 262 km |
| 1995 | Zack | Category 2 | 58 mph | 237 km |
| 1993 | Lola | Category 2 | 75 mph | 289 km |
| 1993 | Kyle | Category 1 | 69 mph | 193 km |
| 1984 | Agnes | Category 2 | 69 mph | 218 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (25°C) | 0.1 in | Driest |
| February | 77°F (25°C) | 0.2 in | |
| March | 81°F (27°C) | 0.7 in | |
| April | 83°F (28°C) | 1.1 in | |
| May | 84°F (29°C) | 9.7 in | Warmest |
| June | 83°F (29°C) | 14.3 in | |
| July | 83°F (28°C) | 20.7 in | Wettest |
| August | 83°F (28°C) | 19.1 in | |
| September | 81°F (27°C) | 17.4 in | |
| October | 80°F (26°C) | 7.4 in | |
| November | 78°F (25°C) | 1.8 in | |
| December | 75°F (24°C) | 0.6 in | Coldest |
Siem Pang has a seasonal temperature swing of 8°F / from 75°F in December to 84°F in May. Total annual precipitation is 93.1 inches, with July being the wettest month (20.7") and January the driest (0.1").