April · Cambodia
Best time to visit Sihanoukville in April Weather, crowds & prices
Weather in Sihanoukville in April
Average temperature 29°C, 83 mm of rain, about 26 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
April score
8.3/10
Ranked #5 of 12 months
- Avg temp
- 29°C
- Rainfall
- 83 mm
- Humidity
- 75%
- Days with 6h+ sun
- 26
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
April in Sihanoukville scores 8.3/10 for beach and coastal travel - an above-average month (#5 of 12). Expect around 29°C, 83 mm of rain, and roughly 26 days with 6+ hours of sunshine this month.
Sihanoukville is Cambodia's beach and ferry hub for the southern islands.
April in Sihanoukville — reliably good (5th best month)
Days in April average 29°C (85°F) and humidity near 75% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 83 mm of rain this month — a flexible day or two helps — with about 26 days with 6+ hours of sunshine and 12.2 hours of daylight to work around it.
That is 8.3/10 on the same scale — 5th of 12 months, versus 9.8/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
Budget for mid-season pricing, and crowds are moderate.
If your dates are flexible, February is materially better in Sihanoukville — 1.5 points higher on the same scale.
Frequently asked
- What is the weather like in Sihanoukville in April?
- In April, Sihanoukville averages 29°C, 83 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 8.3/10.
- Is April a good time to visit Sihanoukville?
- April earns a 8.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Sihanoukville in April?
- Expect about 83 mm of rain in April. Average humidity is 75% and there are about 26 days with 6+ hours of sunshine.
Curated in Sihanoukville
Tickets & experiences
Things to do in Sihanoukville
Sihanoukville, Cambodia. Live activities and tours from GetYourGuide, matched to this destination.