Cambodia climate
World Climates covers 4 places in Cambodia. By annual mean temperature, the warmest is Phnom Penh (28 °C83 °F) and the coolest is Battambang (27 °C81 °F). The wettest is Battambang with 1,821 mm72 in of precipitation per year, the driest Phnom Penh with 1,242 mm49 in.
The most common climate types (Köppen classification computed from these averages) are tropical savanna (dry winter) (Aw, 4 places).
The highest monthly average high is in Phnom Penh (37 °C99 °F in March); the lowest monthly average low is in Battambang (20 °C68 °F in December).
Across the places in Cambodia, the months that most often rank as the most comfortable are November and December (2 and 4 of 4 places respectively).
Temperature and rainfall across Cambodia
Annual mean temperatures in Cambodia range from 27 °C81 °F to 28 °C83 °F. The typical place (the median of all 4) has a year average of 28 °C82 °F. Annual precipitation ranges from 1,242 mm49 in to 1,821 mm72 in. The median place receives about 1,274 mm50 in in an average year.
In 0 places of 4, the coldest month has an average low below 0 °C (32 °F). In 4 places, the warmest month has an average high above 30 °C (86 °F). No place here gets less than 250 mm (10 in) of precipitation a year. None gets more than 2,000 mm (79 in) a year.
Averaged over all 4 places, April is the warmest month, with a mean of 31 °C87 °F. December is the coldest, with 26 °C79 °F. The wettest month on average is September (233 mm9.2 in). The driest is February (16 mm0.6 in). Single places can differ a lot from this average, so check the page of each city.
The table below lists the places sorted by population. The largest ones covered here are Phnom Penh, Takeo and Siem Reap. Each city page has a chart and a table for every month. It also shows the best time to visit and what to pack. The figures are 25-year averages for 2001–2025 from NASA POWER. They describe grid cells of roughly 50–70 km, not single weather stations.
Climate of each place in Cambodia
Phnom Penh has a tropical savanna (dry winter) climate (Köppen Aw). Its year average is 28 °C83 °F. The warmest month is April, with an average high of 36 °C98 °F. The coldest is December, with an average low of 22 °C71 °F. About 1,242 mm49 in of precipitation falls in a year. September is the wettest month and February the driest. By our comfort score, the best months to visit are December.
Takeo has a tropical savanna (dry winter) climate (Köppen Aw). Its year average is 28 °C82 °F. The warmest month is April, with an average high of 36 °C98 °F. The coldest is December, with an average low of 22 °C71 °F. About 1,287 mm51 in of precipitation falls in a year. September is the wettest month and February the driest. By our comfort score, the best months to visit are December.
Siem Reap has a tropical savanna (dry winter) climate (Köppen Aw). Its year average is 28 °C82 °F. The warmest month is April, with an average high of 36 °C96 °F. The coldest is December, with an average low of 20 °C68 °F. About 1,261 mm50 in of precipitation falls in a year. September is the wettest month and December the driest. By our comfort score, the best months to visit are November and December.
Battambang has a tropical savanna (dry winter) climate (Köppen Aw). Its year average is 27 °C81 °F. The warmest month is April, with an average high of 35 °C95 °F. The coldest is December, with an average low of 20 °C68 °F. About 1,821 mm72 in of precipitation falls in a year. September is the wettest month and December the driest. By our comfort score, the best months to visit are November and December.
Frequently asked questions
Which is the warmest place in Cambodia?
By annual mean temperature, the warmest place in Cambodia is Phnom Penh at 28 °C83 °F. The coolest is Battambang at 27 °C81 °F.
Where does it rain the most in Cambodia?
Battambang gets the most precipitation, 1,821 mm72 in in an average year. The driest place is Phnom Penh with 1,242 mm49 in.
How many places in Cambodia does this site cover?
World Climates has climate data for 4 places in Cambodia. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.
When is the best time to visit Cambodia?
It depends on the place. Across Cambodia, the months that most often rank as the most comfortable are November and December. Check the page of each city for its own best months.
Climate of every place in Cambodia
| Place | Year | Max high | Min low | Precip. |
|---|---|---|---|---|
| Phnom Penh | 28 | 37 | 22 | 1,242 |
| Takeo | 28 | 37 | 21 | 1,287 |
| Siem Reap | 28 | 36 | 20 | 1,261 |
| Battambang | 27 | 36 | 20 | 1,821 |
Year = annual mean temperature; max high = average high of the warmest month; min low = average low of the coldest month; precip. = annual total. Temperatures in °C°F, precipitation in mminches. Sorted by population.
Data: NASA POWER climatology 2001–2025 (MERRA-2 reanalysis, CERES satellite data) — grid-cell averages, not station records. Sources and method.