Sihanoukville weather in April
April in Sihanoukville: hot, soaked, with very humid — fine if you can take 25 rainy days.
#5 of 12 months in Sihanoukville · #521 of 897 destinations to visit in April · comfort 79/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sihanoukville in April
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Sihanoukville climate normals — April
| Daytime high | 31°C / 88°F | 🥵 hot |
|---|---|---|
| Nighttime low | 26°C / 80°F | |
| Rainfall | 188 mm / 7.4 in | ⛈ soaked |
| Rainy days | 25 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 12.4 h | |
| Wind | 9 km/h / 5 mph | |
| Air quality (US AQI) | 56 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Sihanoukville in April — FAQ
- Is April a good time to visit Sihanoukville?
- April in Sihanoukville: hot, soaked, with very humid — fine if you can take 25 rainy days. It ranks #5 of 12 months for Sihanoukville on SeasonMap's comfort score (79/100).
- What is the weather like in Sihanoukville in April?
- In April, Sihanoukville averages a daily high of 31°C and a low of 26.4°C, with about 187.8 mm of rain over roughly 25 rainy days.
- What is the air quality in Sihanoukville in April?
- Sihanoukville has a mean US Air Quality Index of about 56 in April.