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Hourly Forecast
Daylight Hours
05:53
Sunrise
18:01
Sunset
Moon
Waning Crescent
03:52
Moonrise
15:56
Moonset
Daily Forecast
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Wednesday
Thursday
Friday
Saturday
Sunday
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Thursday
Air Quality Data Available
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UV Index
Humidity
Weather in Phnom Penh today, September 08, 2026
Phnom Penh starts September 08, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. The morning carries the wetter risk, with rain chances near 60% and the highest odds around 11:00. Cloud is also thick early on, peaking near 90% around 11:00.
The day peaks near 31°C and cools toward 26°C. Relative humidity sits between 69% and 94%, reaching its peak around 03:00. A lighter breeze peaks around 10:00 near 4.6 km/h.
The second half of the day still looks unsettled, with rain probability around 98% by 14:00. Dense cloud near 98% at 19:00 keeps the feel grey. Visibility stays near 16.1 km. Sunrise is at 05:53 and sunset at 18:01, giving 12 hours 8 minutes of sunlight today.
Overall, Phnom Penh on September 08, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 98% and the high sits around 31°C.
Frequently asked questions about weather in Phnom Penh
How warm does it get in Phnom Penh?
The warmest month in Phnom Penh is January, with average high temperatures of 11°C. The average temperature during this period is around 10°C.
How cold does it get in Phnom Penh?
The coldest month in Phnom Penh is March, with average low temperatures of -4°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Phnom Penh?
The wettest month in Phnom Penh is November, with an average of 33mm of precipitation.
What is the driest time of year in Phnom Penh?
The driest month in Phnom Penh is March, with an average of 4mm of precipitation.
