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.

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 Reap — May climate, side by side

	🇰🇭 Phnom Penh	🇰🇭 Siem Reap
Comfort score	48/100 (F)	53/100 (D)
Feels-like high	42°C	42°C
Avg high / low	36° / 26°	35° / 26°
Rainfall	160 mm	140 mm
Rainy days	23	20
Humidity	77%	76%
Air quality (AQI)	67	58

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

Month by month

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.