Sihanoukville weather in October

October in Sihanoukville: warm, soaked, with clean air — a gamble, with 28 rainy days.
#11 of 12 months in Sihanoukville · #787 of 897 destinations to visit in October · comfort 63/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sihanoukville in October
No notes yet. Open Sihanoukville on the map to add the first one.
Sihanoukville climate normals — October
| Daytime high | 29°C / 84°F | 🌤 warm |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Rainfall | 428 mm / 16.9 in | ⛈ soaked |
| Rainy days | 28 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 8 h/day | |
| Daylight | 11.9 h | |
| Wind | 9 km/h / 6 mph | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Sihanoukville?
Loading map…
Sihanoukville in October — FAQ
- Is October a good time to visit Sihanoukville?
- October in Sihanoukville: warm, soaked, with clean air — a gamble, with 28 rainy days. It ranks #11 of 12 months for Sihanoukville on SeasonMap's comfort score (63/100).
- What is the weather like in Sihanoukville in October?
- In October, Sihanoukville averages a daily high of 28.8°C and a low of 25.1°C, with about 428.4 mm of rain over roughly 28 rainy days.
- What is the air quality in Sihanoukville in October?
- Sihanoukville has a mean US Air Quality Index of about 31 in October.