What is the weather like in Barcelona vs Ulaanbaatar in December?

In December, Barcelona averages 16°C high / 10°C low with about 37 mm of rain; Ulaanbaatar averages -13°C high / -26°C low with about 3 mm.

Barcelona vs Ulaanbaatar in December

Barcelona is the better pick in December — 80 vs 29 on SeasonMap's comfort score. Barcelona is cool, a little rain, clean air, while Ulaanbaatar is freezing, dry, poor air quality.

Barcelona vs Ulaanbaatar — December climate, side by side

	🇪🇸 Barcelona	🇲🇳 Ulaanbaatar
Comfort score	80/100 (A)	29/100 (F)
Feels-like high	14°C	-18°C
Avg high / low	16° / 10°	-13° / -26°
Rainfall	37 mm	3 mm
Rainy days	4	1
Humidity	80%	66%
Air quality (AQI)	46	122

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

Month by month

Barcelona vs Ulaanbaatar in December — FAQ

Is December better in Barcelona or Ulaanbaatar?: Barcelona is the better pick in December — 80 vs 29 on SeasonMap's comfort score. Barcelona is cool, a little rain, clean air, while Ulaanbaatar is freezing, dry, poor air quality.
What is the weather like in Barcelona vs Ulaanbaatar in December?: In December, Barcelona averages 16°C high / 10°C low with about 37 mm of rain; Ulaanbaatar averages -13°C high / -26°C low with about 3 mm.