Climate guide for Phnom Penh, Cambodia

Phnom Penh in March

Weather, crowds & best time to visit

How to read the score (0–10)
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March · Cambodia

Best time to visit Phnom Penh in March Weather, crowds & prices

Weather in Phnom Penh in March

Average temperature 29°C, 52 mm of rain, about 31 days with 6+ hours of sunshine and 66% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

March score

6.5/10

Ranked #4 of 12 months

Full year for Phnom Penh
Avg temp
29°C
Rainfall
52 mm
Humidity
66%
Days with 6h+ sun
31
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

March in Phnom Penh scores 6.5/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 29°C, 52 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.

Phnom Penh pairs royal palaces and a riverfront with sobering museums of the Khmer Rouge years.

March in Phnom Penh: mixed conditions, plan around the weather

March averages 29°C (85°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rainfall runs 52 mm, so plan one flexible day in three; you still get about 31 days with 6+ hours of sunshine and 12.1 hours of daylight.

It scores 6.5/10 here, 4th of 12 months, against 8.1/10 in the destination's best month.

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

Plan for mid-season pricing, with crowds are moderate.

Flexible dates? January scores 1.6 points higher here — enough to change the trip.

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 Phnom Penh in March?
In March, Phnom Penh averages 29°C, 52 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 6.5/10.
Is March a good time to visit Phnom Penh?
March earns a 6.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Phnom Penh in March?
Expect about 52 mm of rain in March. Average humidity is 66% and there are about 31 days with 6+ hours of sunshine.

Curated in Phnom Penh

Tickets & experiences

Things to do in Phnom Penh

Phnom Penh, Cambodia. Live activities and tours from GetYourGuide, matched to this destination.