What is the weather like in Cardiff vs London in December?

In December, Cardiff averages 10°C high / 5°C low with about 121 mm of rain; London averages 10°C high / 5°C low with about 65 mm.

Cardiff vs London in December

London is the better pick in December — 56 vs 51 on SeasonMap's comfort score. London is cold, a little rain, clean air, while Cardiff is cold, rainy, clean air.

Cardiff vs London — December climate, side by side

	🇬🇧 Cardiff	🇬🇧 London
Comfort score	51/100 (D)	56/100 (D)
Feels-like high	6°C	6°C
Avg high / low	10° / 5°	10° / 5°
Rainfall	121 mm	65 mm
Rainy days	15	12
Humidity	88%	89%
Air quality (AQI)	34	37

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

Month by month

Cardiff 🇬🇧 United Kingdomcold, rainy, clean air · best July51
London 🇬🇧 United Kingdomcold, a little rain, clean air · best July56

Cardiff vs London in December — FAQ

Is December better in Cardiff or London?: London is the better pick in December — 56 vs 51 on SeasonMap's comfort score. London is cold, a little rain, clean air, while Cardiff is cold, rainy, clean air.
What is the weather like in Cardiff vs London in December?: In December, Cardiff averages 10°C high / 5°C low with about 121 mm of rain; London averages 10°C high / 5°C low with about 65 mm.