June · Cambodia
Best time to visit Sihanoukville in June Weather, crowds & prices
Weather in Sihanoukville in June
Average temperature 29°C, 227 mm of rain, about 17 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
June score
5.6/10
Ranked #9 of 12 months
- Avg temp
- 29°C
- Rainfall
- 227 mm
- Humidity
- 83%
- Days with 6h+ sun
- 17
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
June in Sihanoukville scores 5.6/10 for beach and coastal travel - ranked #9 of 12. Expect around 29°C, 227 mm of rain, and roughly 17 days with 6+ hours of sunshine this month.
Sihanoukville is Cambodia's beach and ferry hub for the southern islands.
June in Sihanoukville: mixed conditions, plan around the weather
Days in June average 29°C (83°F) and humidity near 83% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Expect monsoon-level rainfall at 227 mm: only about 17 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.
That is 5.6/10 on the same scale — 9th 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 proper rain shell rather than an umbrella.
Expect low-season pricing, and crowds are light for this destination.
If your dates are flexible, February is materially better in Sihanoukville — 4.2 points higher on the same scale.
Frequently asked
- What is the weather like in Sihanoukville in June?
- In June, Sihanoukville averages 29°C, 227 mm of rain, and about 17 days with 6+ hours of sunshine. Its climate-comfort score is 5.6/10.
- Is June a good time to visit Sihanoukville?
- June earns a 5.6/10 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 June?
- Expect about 227 mm of rain in June. Average humidity is 83% and there are about 17 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.