Best Time to Visit Phnom Penh
Cambodia · 30-year monthly climate averages
☀️ When to go
Based on 30 years of climate data, the most comfortable months to visit Phnom Penh are January, February and December, when daytime temperatures are agreeable and rainfall is relatively low.
Climate profile
Phnom Penh sees its warmest weather in April, when daytime highs average around 35°C, and its coolest in November (around 30°C).
Annual precipitation totals roughly 1396mm — September is typically the wettest month (~256mm) and February the driest (~4mm).
A distinctly wetter period runs from May to November — worth planning around if you prefer dry days.
Year at a glance
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
🔥 Recent heat vs normal
Daily forecast highs vs the 30-year normal — last 36 days
Each bar is one day: orange above normal, blue below.
Month by month
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 32° / 22°C | 10mm | 👍 Good |
| February | 33° / 23°C | 4mm | 👍 Good |
| March | 34° / 25°C | 35mm | 🤔 Fair |
| April | 35° / 26°C | 74mm | 🤔 Fair |
| May | 34° / 26°C | 119mm | 🤔 Fair |
| June | 33° / 25°C | 150mm | ⚠️ Challenging |
| July | 32° / 25°C | 164mm | ⚠️ Challenging |
| August | 32° / 25°C | 199mm | ⚠️ Challenging |
| September | 31° / 24°C | 256mm | ⚠️ Challenging |
| October | 30° / 24°C | 251mm | ⚠️ Challenging |
| November | 30° / 23°C | 113mm | 🤔 Fair |
| December | 30° / 22°C | 21mm | 👍 Good |
FAQ
- What is the best time to visit Phnom Penh?
- Based on 30 years of climate data, the most comfortable months to visit Phnom Penh are January, February and December, when daytime temperatures are agreeable and rainfall is relatively low.
- What is the hottest month in Phnom Penh?
- April is typically the hottest month in Phnom Penh, with average daytime highs around 35°C.
- What is the rainiest month in Phnom Penh?
- September is usually the wettest month, with around 256mm of precipitation.