Sihanoukville Weather in October
What's the weather like in Sihanoukville (Preah Sihanouk) in October 2025?
The climate in Sihanoukville during October can be summarized as hot, humid and very wet.
October is in the fall / autumn in Sihanoukville and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 30.6°C 87.1°F |
|---|---|
| Nightly temperature | 23.6°C 74.5°F |
| Average temperature | 27.1°C 80.8°F |
| Daily sunshine | 6.3 hrs |
| Avg rainfall | 291 mm 11.5 ins |
| Rainy days | 19 days |
| Sea temperature | 29.1°C 84.3°F |
| Humidity | 84% |
| Windspeed | 6.5kph 4 mph |
On average October is the 5th wettest month of the year in Sihanoukville with around 291mm 11.5 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.3 hours of sunshine per day.
October temperatures in Sihanoukville
October rainfall
October hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Sihanoukville in October 2025.
Other monthly averages
Best places to visit in October
Sihanoukville weather stats
| Hottest month: | April | 32.9°C 91.2°F |
|---|---|---|
| Driest month: | January | 39mm 1.5ins |
| Sunniest month: | February | 8.4hrs |
| Coldest month: | January | 30.2°C 86.4°F |
| Wettest month: | August | 516mm 20.3ins |
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