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
10/19
Sunday
Patchy rain nearby
32.7°C/24.8°C
10/20
Monday
Patchy rain nearby
32.4°C/24.8°C
10/21
Tuesday
Moderate rain
30.9°C/24.7°C
10/22
Wednesday
Patchy rain nearby
30°C/24°C
10/23
Thursday
Partly Cloudy
31°C/23.4°C
10/24
Friday
Moderate rain
30.6°C/23.7°C
10/25
Saturday
Patchy rain nearby
25.1°C/24°C
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