Verdict: Tough month
Bern Weather in December
December is properly cold in Bern, with highs of only 5°C (41°F). It's also the wet side of the calendar: rain falls on about 16 days, so build flexibility into plans. If your dates are flexible, most travelers will have a better time in Bern outside December.
Average high
5°C / 41°F
Average low
-2°C / 28°F
Rain days
~16
Precipitation
134 mm
What to pack for Bern in December
- A proper warm jacket, and a hat for mornings
- Rain gear is non-negotiable — expect rain on roughly 16 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
December against the rest of the year
Warmest in Bern: Jul (24°C / 75°F) · Coolest: Jan (5°C / 41°F) · Wettest: May (~18 rain days)
5°
-2°
Jan
8°
0°
Feb
11°
1°
Mar
13°
3°
Apr
17°
8°
May
23°
13°
Jun
24°
14°
Jul
24°
14°
Aug
20°
11°
Sep
15°
7°
Oct
8°
1°
Nov
5°
-2°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)