Climate normals · 1970–2000
Phnom Penh Climate
Phnom Penh is a city in Cambodia (22) with a population of about 1,573,544. Its average annual temperature is 28.2°C (83°F), with roughly 1352 mm of rain per year.
28.2°C
Avg Temp
1352
Precip (mm/yr)
Apr
Hottest Month
Dec
Coldest Month
Phnom Penh Climate
Phnom Penh has an average annual temperature of 28.2°C (83°F) and receives about 1352 mm of precipitation per year. The warmest month is April and the coldest is December. Figures are 1970–2000 climate normals.
28.2°C
Avg Temp
1352
Precip (mm/yr)
Apr
Hottest Month
Dec
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 27° / 80° | 9 mm |
| February | 28° / 82° | 10 mm |
| March | 29° / 85° | 31 mm |
| April | 30° / 86° | 66 mm |
| May | 30° / 85° | 150 mm |
| June | 29° / 84° | 144 mm |
| July | 29° / 83° | 149 mm |
| August | 29° / 83° | 153 mm |
| September | 28° / 82° | 223 mm |
| October | 28° / 82° | 255 mm |
| November | 27° / 81° | 127 mm |
| December | 26° / 80° | 35 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Phnom Penh
The most comfortable months to visit Phnom Penh are typically January, February and December, when temperatures are mildest and rainfall is relatively low. The hottest month is April (around 35°C high). The coldest is December (near 22°C low). October is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Phnom Penh are typically January, February and December, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Phnom Penh, Cambodia has an average annual temperature of 28.2°C and about 1352 mm of precipitation per year. The warmest month is April and the coldest is December.
In April, the hottest month, daily highs in Phnom Penh average about 35°C (94°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.