Hong Kong vs San Francisco in December

Hong Kong is the better pick in December — 84 vs 67 on SeasonMap's comfort score. Hong Kong is nice, dry, poor air quality, while San Francisco is cool, rainy, clean air.

Hong Kong vs San FranciscoDecember climate, side by side

Hong KongSan Francisco
Comfort score84/100 (A)67/100 (C)
Feels-like high19°C12°C
Avg high / low20° / 14°14° / 7°
Rainfall20 mm126 mm
Rainy days312
Humidity67%86%
Air quality (AQI)11250

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

Hong Kong vs San Francisco in December — FAQ

Is December better in Hong Kong or San Francisco?
Hong Kong is the better pick in December — 84 vs 67 on SeasonMap's comfort score. Hong Kong is nice, dry, poor air quality, while San Francisco is cool, rainy, clean air.
What is the weather like in Hong Kong vs San Francisco in December?
In December, Hong Kong averages 20°C high / 14°C low with about 20 mm of rain; San Francisco averages 14°C high / 7°C low with about 126 mm.