Last updated: March 2, 2024
The weather in Grotte di Castro, Italy, during May is characterized by an average temperature of 16°C (61°F). Highs can soar to 26°C (80°F), while lows may dip to 7°C (44°F). Typically, the humidity level in Grotte di Castro throughout May hovers around 69%.
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Average temperature
Maximum temperature
Humidity
In May, Grotte di Castro averages 109 mm (4.3 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 14 hours 38 minutes of daylight, with the sun shining for approximately 12 hours 42 minutes each day. Additionally, there is a 41% probability of sunny days during this period.
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Chance of sun
In May, the UV Index in Grotte di Castro reaches a maximum of 9, 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 | 5 | 7 | 8 | 9 | 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 | ||||||