Last updated: March 2, 2024
The weather in Appalachia, United States, during May is characterized by an average temperature of 18°C (64°F). Highs can soar to 28°C (83°F), while lows may dip to 3°C (39°F). Typically, the humidity level in Appalachia throughout May hovers around 84%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Appalachia averages 146 mm (5.8 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 14 hours 8 minutes of daylight, with the sun shining for approximately 9 hours 52 minutes each day. Additionally, there is a 29% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Appalachia 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 | 9 | 11 | 10 | 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 | ||||