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

In December, London averages 10°C high / 5°C low with about 65 mm of rain; Mariehamn averages 3°C high / -1°C low with about 64 mm.

London vs Mariehamn in December

London is the better pick in December — 56 vs 24 on SeasonMap's comfort score. London is cold, a little rain, clean air, while Mariehamn is freezing, a little rain, clean air.

London vs Mariehamn — December climate, side by side

	London	Mariehamn
Comfort score	56/100 (D)	24/100 (F)
Feels-like high	6°C	-1°C
Avg high / low	10° / 5°	3° / -1°
Rainfall	65 mm	64 mm
Rainy days	12	13
Humidity	89%	82%
Air quality (AQI)	37	29

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

London vs Mariehamn in December — FAQ

Is December better in London or Mariehamn?: London is the better pick in December — 56 vs 24 on SeasonMap's comfort score. London is cold, a little rain, clean air, while Mariehamn is freezing, a little rain, clean air.
What is the weather like in London vs Mariehamn in December?: In December, London averages 10°C high / 5°C low with about 65 mm of rain; Mariehamn averages 3°C high / -1°C low with about 64 mm.