Climate of Phnom Penh, Cambodia
Area-weighted average across Phnom Penh. For where people actually live and travel, see the cities below.
Phnom Penh, a subdivision of Cambodia, has a consistently warm climate on average. Area-weighted monthly temperatures across the whole territory range from 26.2°C / 79.2°F in December to 30.1°C / 86.2°F in April, with rainfall from 8 mm / 0.3 in to 249 mm / 9.8 in depending on the season (1313 mm / 51.7 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 26.5°C79.7°F | 8 mm0.3″ | Sunny & Hot |
| February | 27.4°C81.3°F | 9 mm0.4″ | Sunny & Hot |
| March | 29.2°C84.6°F | 31 mm1.2″ | Sunny & Hot |
| April | 30.1°C86.2°F | 64 mm2.5″ | — |
| May | 29.6°C85.3°F | 150 mm5.9″ | Tropical |
| June | 28.9°C84°F | 139 mm5.5″ | Tropical |
| July | 28.5°C83.3°F | 142 mm5.6″ | Tropical |
| August | 28.3°C82.9°F | 152 mm6″ | Tropical |
| September | 27.9°C82.2°F | 218 mm8.6″ | Tropical |
| October | 27.6°C81.7°F | 249 mm9.8″ | Tropical |
| November | 27.1°C80.8°F | 121 mm4.8″ | Tropical |
| December | 26.2°C79.2°F | 30 mm1.2″ | Sunny & Hot |
Frequently asked questions
What is the best time to visit Phnom Penh?
The best months to visit Phnom Penh, Cambodia for sunny, dry weather are January, February, March, December. The warmest month is April at an area-wide average of 30.1°C / 86.2°F, and the driest is January with about 8 mm / 0.3 in of rainfall.
What is the climate of Phnom Penh?
Phnom Penh, Cambodia has area-weighted monthly average temperatures ranging from 26.2°C / 79.2°F in December to 30.1°C / 86.2°F in April. Annual rainfall averages about 1313 mm / 51.7 in, with the wettest month being October (249 mm / 9.8 in) and the driest January (8 mm / 0.3 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Phnom Penh?
The hottest month in Phnom Penh is April, with an area-wide average temperature of 30.1°C / 86.2°F.
What is the coldest month in Phnom Penh?
The coldest month in Phnom Penh is December, with an area-wide average temperature of 26.2°C / 79.2°F.
When does it rain most in Phnom Penh?
The wettest month in Phnom Penh is October, averaging about 249 mm / 9.8 in of rainfall. The driest is January with about 8 mm / 0.3 in.