Last updated: March 2, 2024
The weather in Porto Ercole, Italy, during May is characterized by an average temperature of 18°C (64°F). Highs can soar to 24°C (75°F), while lows may dip to 12°C (53°F). Typically, the humidity level in Porto Ercole throughout May hovers around 69%.
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Average temperature
Maximum temperature
Humidity
In May, Porto Ercole averages 53 mm (2.1 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 14 hours 37 minutes of daylight, with the sun shining for approximately 12 hours 56 minutes each day. Additionally, there is a 50% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In May, the UV Index in Porto Ercole reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 6 | 8 | 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 | ||||||