What is the weather like in Helsinki vs Trondheim in December?

In December, Helsinki averages 2°C high / -2°C low with about 59 mm of rain; Trondheim averages 3°C high / -2°C low with about 86 mm.

Helsinki vs Trondheim in December

Helsinki and Trondheim are nearly tied in December — 34 vs 35 on SeasonMap's comfort score. Helsinki is freezing, a little rain, clean air; Trondheim is freezing, rainy, clean air.

Helsinki vs Trondheim — December climate, side by side

	🇫🇮 Helsinki	🇳🇴 Trondheim
Comfort score	34/100 (F)	35/100 (F)
Feels-like high	-3°C	-1°C
Avg high / low	2° / -2°	3° / -2°
Rainfall	59 mm	86 mm
Rainy days	12	13
Humidity	88%	87%
Air quality (AQI)	27	33

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

Month by month

Helsinki vs Trondheim in December — FAQ

Is December better in Helsinki or Trondheim?: Helsinki and Trondheim are nearly tied in December — 34 vs 35 on SeasonMap's comfort score. Helsinki is freezing, a little rain, clean air; Trondheim is freezing, rainy, clean air.
What is the weather like in Helsinki vs Trondheim in December?: In December, Helsinki averages 2°C high / -2°C low with about 59 mm of rain; Trondheim averages 3°C high / -2°C low with about 86 mm.