Weather in Siem Reap in May
Siem Reap, Cambodia averages a high of 32.9°C (91.2°F) and low of 25.9°C (78.6°F) in May, with 21 rain days and 10.4 hours of daily sunshine. Travel score: 65.4/100 (Good). The best time to visit Siem Reap is January.
High
33°C91°F
Low
26°C79°F
🌧️
21
rain days
☀️
10.4
hrs/day sunshine
💧
78%
humidity
65— Good
May in Siem Reap is hot and very rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Siem Reap?
How much does it rain in Siem Reap in May?
Siem Reap receives an average of 167.6mm of rainfall across 21 rainy days in May. The annual total is 1400.2mm.
What should I pack for Siem Reap in May?
Essentials
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Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 33°C
🧢
Sun hat or cap
Protection from intense sun
🧥
Waterproof jacket
Frequent rain expected (21 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
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What is the weather like in other months in Siem Reap?
Data based on 1994–2024 averages · Last updated: 2024-12-31