Hong Kong vs Ulaanbaatar in December

Hong Kong is the better pick in December — 84 vs 28 on SeasonMap's comfort score. Hong Kong is nice, dry, poor air quality, while Ulaanbaatar is freezing, dry, poor air quality.

Hong Kong vs UlaanbaatarDecember climate, side by side

Hong KongUlaanbaatar
Comfort score84/100 (A)28/100 (F)
Feels-like high19°C-17°C
Avg high / low20° / 14°-12° / -23°
Rainfall20 mm4 mm
Rainy days31
Humidity67%70%
Air quality (AQI)112122

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

Hong Kong vs Ulaanbaatar in December — FAQ

Is December better in Hong Kong or Ulaanbaatar?
Hong Kong is the better pick in December — 84 vs 28 on SeasonMap's comfort score. Hong Kong is nice, dry, poor air quality, while Ulaanbaatar is freezing, dry, poor air quality.
What is the weather like in Hong Kong vs Ulaanbaatar in December?
In December, Hong Kong averages 20°C high / 14°C low with about 20 mm of rain; Ulaanbaatar averages -12°C high / -23°C low with about 4 mm.