Phnom Penh vs Siem Reap in May

Siem Reap is the better pick in May — 53 vs 48 on SeasonMap's comfort score. Siem Reap is sweltering, rainy, muggy air, while Phnom Penh is sweltering, soaked, muggy air.

Phnom Penh vs Siem ReapMay climate, side by side

Phnom PenhSiem Reap
Comfort score48/100 (F)53/100 (D)
Feels-like high42°C42°C
Avg high / low36° / 26°35° / 26°
Rainfall160 mm140 mm
Rainy days2320
Humidity77%76%
Air quality (AQI)6758

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Phnom Penh vs Siem Reap in May — FAQ

Is May better in Phnom Penh or Siem Reap?
Siem Reap is the better pick in May — 53 vs 48 on SeasonMap's comfort score. Siem Reap is sweltering, rainy, muggy air, while Phnom Penh is sweltering, soaked, muggy air.
What is the weather like in Phnom Penh vs Siem Reap in May?
In May, Phnom Penh averages 36°C high / 26°C low with about 160 mm of rain; Siem Reap averages 35°C high / 26°C low with about 140 mm.