Last updated: March 2, 2024
The weather in Florence, United States, during May is characterized by an average temperature of 13°C (55°F). Highs can soar to 28°C (83°F), while lows may dip to -1°C (30°F). Typically, the humidity level in Florence throughout May hovers around 66%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Florence averages 64 mm (2.5 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 14 hours 16 minutes of daylight, with the sun shining for approximately 11 hours 4 minutes each day. Additionally, there is a 44% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In May, the UV Index in Florence reaches a maximum of 12, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 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 | 5 | 7 | 10 | 12 | 12 | 11 | 9 | 6 | 4 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||