Verdict: Good month
Bern Weather in May
May is mild-to-cool in Bern, topping out near 17°C (63°F) — comfortable with a layer on. It's also the wet side of the calendar: rain falls on about 18 days, so build flexibility into plans. Overall, May is a solid month to visit Bern.
Average high
17°C / 63°F
Average low
8°C / 46°F
Rain days
~18
Precipitation
137 mm
What to pack for Bern in May
- Layers — t-shirts under a light jacket or sweater
- Evenings turn genuinely cool — pack a warm layer for after dark
- Rain gear is non-negotiable — expect rain on roughly 18 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
May 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)