Grenchen Weather in December

December in Grenchen brings low temperatures, with highs of 6°C (43°F) and nights dropping to -1°C (30°F). Rainfall is on the higher side this month, averaging around 108 mm (4.3 in), so keep a rain jacket handy.

Rainfall in Grenchen in December

Records from the past 30 years suggest around 15 days of snow/rain, with 108 mm (4.3 in) average for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Grenchen in December

Expect highs of 6°C (43°F) in Grenchen in December, with nights dropping to around -1°C (30°F). December is part of winter. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With lows of -1°C (30°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated.

Sunshine in Grenchen in December

This month is characterized by fewer sunny days, with about 54 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Grenchen. Our weather planner can help you explore destinations with more pleasant weather conditions.