Last updated: March 2, 2024
The weather in Luzern, Switzerland, during April is characterized by an average temperature of 8°C (46°F). Highs can soar to 20°C (69°F), while lows may dip to -4°C (25°F). Typically, the humidity level in Luzern throughout April hovers around 84%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Luzern averages 102 mm (4.0 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 13 hours 37 minutes of daylight, with the sun shining for approximately 11 hours 55 minutes each day. Additionally, there is a 46% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in Luzern reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 25 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 2 | 3 | 5 | 6 | 6 | 6 | 5 | 4 | 3 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||