Last updated: March 2, 2024
The weather in Castel San Pietro, Switzerland, during May is characterized by an average temperature of 17°C (63°F). Highs can soar to 27°C (81°F), while lows may dip to 8°C (47°F). Typically, the humidity level in Castel San Pietro throughout May hovers around 74%.
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Average temperature
Maximum temperature
Humidity
In May, Castel San Pietro averages 143 mm (5.6 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 14 hours 55 minutes of daylight, with the sun shining for approximately 12 hours 33 minutes each day. Additionally, there is a 45% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Castel San Pietro reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 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 | 2 | 3 | 4 | 6 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||