What is the weather like in Phnom Penh vs Sihanoukville in December?

In December, Phnom Penh averages 31°C high / 24°C low with about 39 mm of rain; Sihanoukville averages 30°C high / 25°C low with about 68 mm.

Phnom Penh vs Sihanoukville in December

Sihanoukville is the better pick in December — 87 vs 75 on SeasonMap's comfort score. Sihanoukville is sweltering, a little rain, clean air, while Phnom Penh is sweltering, a little rain, clean air.

Phnom Penh vs Sihanoukville — December climate, side by side

	🇰🇭 Phnom Penh	🇰🇭 Sihanoukville
Comfort score	75/100 (B)	87/100 (A)
Feels-like high	34°C	34°C
Avg high / low	31° / 24°	30° / 25°
Rainfall	39 mm	68 mm
Rainy days	6	11
Humidity	72%	73%
Air quality (AQI)	48	41

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

Month by month

Phnom Penh vs Sihanoukville in December — FAQ

Is December better in Phnom Penh or Sihanoukville?: Sihanoukville is the better pick in December — 87 vs 75 on SeasonMap's comfort score. Sihanoukville is sweltering, a little rain, clean air, while Phnom Penh is sweltering, a little rain, clean air.
What is the weather like in Phnom Penh vs Sihanoukville in December?: In December, Phnom Penh averages 31°C high / 24°C low with about 39 mm of rain; Sihanoukville averages 30°C high / 25°C low with about 68 mm.