Last updated: March 2, 2024
The weather in Louisville, United States, during May is characterized by an average temperature of 20°C (69°F). Highs can soar to 32°C (89°F), while lows may dip to 7°C (44°F). Typically, the humidity level in Louisville throughout May hovers around 85%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Louisville averages 113 mm (4.5 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 14 hours 4 minutes of daylight, with the sun shining for approximately 9 hours 38 minutes each day. Additionally, there is a 30% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In May, the UV Index in Louisville reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 | 1 | 3 | 5 | 7 | 10 | 11 | 11 | 9 | 7 | 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 | ||||