I bought 1GB this time, and I haven't even used it all up each day. Except for remote mountainous areas across the border where there's no signal, reception is normal and smooth everywhere else.
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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 85–87°F, 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 83–85°F, 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 82–83°F, 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 81–83°F, 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. 84.0°F / Annual rainfall: approx. 1863 mm / Summer humidity: 75%–85% / Rainiest month: October
Phnom Penh monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
81.7°F
13.2
February
83.5°F
5.5
March
85.3°F
0.5
April
87.4°F
32.5
May
86.4°F
159.9
June
85.6°F
177.2
July
83.7°F
243.9
August
84.6°F
259.8
September
82.9°F
297.6
October
82.9°F
415.8
November
83.3°F
226.2
December
81.5°F
31
Phnom Penh weather for the next seven days
6/5
Friday
Partly Cloudy
97.3°F/79.5°F
6/6
Saturday
Sunny
97.8°F/79.7°F
6/7
Sunday
Partly Cloudy
97.3°F/80°F
6/8
Monday
Partly Cloudy
94.7°F/81.4°F
6/9
Tuesday
Patchy rain nearby
94.1°F/80.5°F
6/10
Wednesday
Patchy rain nearby
93.2°F/79.9°F
6/11
Thursday
Patchy rain nearby
78.3°F/75.5°F
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