Climate guide for Phnom Penh, Cambodia

Phnom Penh in April

Weather, crowds & best time to visit

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

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

Weather in Phnom Penh in April

Average temperature 30°C, 87 mm of rain, about 29 days with 6+ hours of sunshine and 71% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

April score

5.1/10

Ranked #5 of 12 months

Full year for Phnom Penh
Avg temp
30°C
Rainfall
87 mm
Humidity
71%
Days with 6h+ sun
29
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

April in Phnom Penh scores 5.1/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 30°C, 87 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.

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

April in Phnom Penh — middling scores, decent value

Days in April average 30°C (86°F) and humidity near 71% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

Budget for roughly 87 mm of rain this month — a flexible day or two helps — with about 29 days with 6+ hours of sunshine and 12.4 hours of daylight to work around it.

That is 5.1/10 on the same scale — 5th of 12 months, versus 8.1/10 for the best month here.

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

Expect mid-season pricing, and crowds are moderate.

If your dates are flexible, January is materially better in Phnom Penh — 3 points higher on the same scale.

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 April?
In April, Phnom Penh averages 30°C, 87 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 5.1/10.
Is April a good time to visit Phnom Penh?
April earns a 5.1/10 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 April?
Expect about 87 mm of rain in April. Average humidity is 71% and there are about 29 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.