Verdict: Good month
Basel Weather in April
April is mild-to-cool in Basel, topping out near 15°C (59°F) — comfortable with a layer on. Expect showers on roughly 12 days of the month — rarely trip-ruining, worth planning around. Overall, April is a solid month to visit Basel.
Average high
15°C / 59°F
Average low
5°C / 41°F
Rain days
~12
Precipitation
79 mm
What to pack for Basel in April
- Layers — t-shirts under a light jacket or sweater
- Rain gear is non-negotiable — expect rain on roughly 12 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
April against the rest of the year
Warmest in Basel: Jul (26°C / 79°F) · Coolest: Jan (6°C / 43°F) · Wettest: Dec (~16 rain days)
6°
-1°
Jan
10°
1°
Feb
12°
2°
Mar
15°
5°
Apr
19°
9°
May
24°
14°
Jun
26°
15°
Jul
26°
16°
Aug
22°
12°
Sep
17°
8°
Oct
10°
3°
Nov
7°
1°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)