Basel weather in April
April in Basel: cool, a little rain, with clean air — a great time to visit.
#6 of 12 months in Basel · #302 of 604 destinations to visit in April · comfort 79/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Basel climate normals — April
| Daytime high | 15°C / 59°F | 🙂 cool |
|---|---|---|
| Nighttime low | 4°C / 40°F | |
| Feels like (high) | 13°C / 55°F | |
| Rainfall | 80 mm / 3.1 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 75% | 💧 humid |
| Dew point | 5°C / 40°F | |
| Sunshine | 9.8 h/day | |
| Daylight | 13.7 h | |
| Wind | 13 km/h / 8 mph | |
| Snowfall | 7.3 cm / 2.9 in | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Basel in April — FAQ
- Is April a good time to visit Basel?
- April in Basel: cool, a little rain, with clean air — a great time to visit. It ranks #6 of 12 months for Basel on SeasonMap's comfort score (79/100).
- What is the weather like in Basel in April?
- In April, Basel averages a daily high of 15°C and a low of 4.2°C, with about 79.5 mm of rain over roughly 12.4 rainy days.
- What is the air quality in Basel in April?
- Basel has a mean US Air Quality Index of about 45 in April.
- Does it snow in Basel in April?
- Basel sees roughly 7.3 cm of snowfall in April.