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Phnom Penh

Phnom Penh 1
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Phnom Penh Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Phnom Penh year round climate

  • Spring (March–May): Average 29.6–30.8°C, hot and dry climate. Rainfall is minimal in March, increasing in April. Common activities: Visiting temples and the Royal Palace, enjoying the city views. Recommended clothing: Light and breathable cotton clothing, sun hat, sunglasses.
  • Summer (June–August): Average 28.7–29.8°C, hot and humid climate with abundant rainfall. Common activities: Enjoying indoor activities such as visiting museums or resting in air-conditioned places. Recommended clothing: Light and breathable cotton clothing, sweat-wicking clothing.
  • Autumn (September–November): Average 28.3–28.5°C, still hot but with heavier rainfall and high humidity. October receives the most rainfall. Common activities: Exploring the Mekong River, enjoying local cuisine. Recommended clothing: Light and breathable clothing, rain gear.
  • Winter (December–February): Average 27.5–28.6°C, relatively dry and cool but still warm. Common activities: Sightseeing and enjoying outdoor activities. Recommended clothing: Light long-sleeved clothing.

Phnom Penh climatological average

Annual average temperature: approx. 28.9°C / Annual rainfall: approx. 1863 mm / Summer humidity: 75%–85% / Rainiest month: October

Phnom Penh monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
27.6°C
13.2
February
28.6°C
5.5
March
29.6°C
0.5
April
30.8°C
32.5
May
30.2°C
159.9
June
29.8°C
177.2
July
28.7°C
243.9
August
29.2°C
259.8
September
28.3°C
297.6
October
28.3°C
415.8
November
28.5°C
226.2
December
27.5°C
31

Phnom Penh weather for the next seven days

12/20
Saturday
Sunny
32.6°C/23.8°C
12/21
Sunday
Partly Cloudy
32.6°C/23.9°C
12/22
Monday
Sunny
32.1°C/23°C
12/23
Tuesday
Sunny
32.9°C/21.9°C
12/24
Wednesday
Sunny
31.9°C/22.2°C
12/25
Thursday
Sunny
31.7°C/22.1°C
12/26
Friday
Sunny
31.2°C/21.8°C