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📊 Monthly Climate Overview
| Month | Max °C | Min °C | Rain mm | Rain Days | Sun h | Wind km/h | Sea °C |
|---|---|---|---|---|---|---|---|
| Jan | 31.2°C | 22.8°C | 17.6 mm | 4 | 10.4 h | 14.4 km/h | – |
| Feb | 32.8°C | 23.3°C | 13.7 mm | 2 | 11.0 h | 14.8 km/h | – |
| Mar | 34.4°C | 25.1°C | 36.5 mm | 5 | 11.5 h | 15.1 km/h | – |
| Apr | 34.3°C | 25.8°C | 106.7 mm | 16 | 11.2 h | 14 km/h | – |
| May | 33.6°C | 26.3°C | 158.7 mm | 24 | 10.3 h | 13.8 km/h | – |
| Jun | 32.5°C | 25.7°C | 157.4 mm | 24 | 9.3 h | 15.4 km/h | – |
| Jul | 32°C | 25.4°C | 176.5 mm | 24 | 8.4 h | 16.2 km/h | – |
| Aug | 32°C | 25.2°C | 200.3 mm | 25 | 9.0 h | 16.3 km/h | – |
| Sep | 30.9°C | 24.8°C | 279.1 mm | 28 | 8.2 h | 13.8 km/h | – |
| Oct | 30.4°C | 24.4°C | 292.4 mm | 25 | 8.8 h | 12 km/h | – |
| Nov | 30.5°C | 24.2°C | 143.3 mm | 15 | 9.9 h | 13.9 km/h | – |
| Dec | 30.5°C | 23.4°C | 36.5 mm | 7 | 9.9 h | 16.2 km/h | – |
📖Climate & Best Time to Visit Phnom Penh
Phnom Penh (Cambodia) has a tropical climate with an annual average of around 28 °C. Daytime highs average 32 °C, while nights cool to about 25 °C. The destination sees roughly 1619 mm of rainfall per year and 9.8 hours of sunshine per day on average.
Spring and autumn are ideal for a city break: March is the sunniest month with 11.5 hours of sun per day, and mild temperatures make exploring on foot comfortable. Peak summer (March, up to 34.4 °C) can get exhausting, while in January nights drop to 22.8 °C.
Rainfall varies through the year: peaks in September (28 rainy days), driest month is February (2).
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Frequently asked questions about Phnom Penh
When is the best time to visit Phnom Penh?
The best time to visit Phnom Penh: December to March – best in February (avg. 28.1 °C, 2 rainy days). Based on the monthly values for 2014 to 2023.
What are the temperatures in Phnom Penh?
The warmest month is March with an average of 29.8 °C and daytime highs around 34.4 °C. The coldest month is January with an average of 27.0 °C and night-time lows around 22.8 °C.
How many rainy days does Phnom Penh have?
September has the most rainy days with 28 rainy days. The driest month is February with 2 rainy days.