Climate guide for Sihanoukville, Cambodia

Sihanoukville in March

Weather, crowds & best time to visit

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March · Cambodia

Best time to visit Sihanoukville in March Weather, crowds & prices

Weather in Sihanoukville in March

Average temperature 28°C, 56 mm of rain, about 28 days with 6+ hours of sunshine and 74% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

March score

9.0/10

Ranked #3 of 12 months

Full year for Sihanoukville
Avg temp
28°C
Rainfall
56 mm
Humidity
74%
Days with 6h+ sun
28
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

March in Sihanoukville scores 9.0/10 for beach and coastal travel - one of the top 12-month picks (#3). Expect around 28°C, 56 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.

Sihanoukville is Cambodia's beach and ferry hub for the southern islands.

March is one of the strongest months in Sihanoukville (3rd)

March averages 28°C (83°F) and humidity near 74%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rainfall runs 56 mm, so plan one flexible day in three; you still get about 28 days with 6+ hours of sunshine and 11.9 hours of daylight.

A 9/10 puts this among the year's best months in Sihanoukville (3rd of 12); only February scores higher, at 9.8/10.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.

Figure on mid-season pricing, with crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Sihanoukville in March?
In March, Sihanoukville averages 28°C, 56 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 9.0/10.
Is March a good time to visit Sihanoukville?
March earns a 9.0/10 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 March?
Expect about 56 mm of rain in March. Average humidity is 74% and there are about 28 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.