Last updated: March 2, 2024
The weather in Alpena, United States, during May is characterized by an average temperature of 10°C (51°F). Highs can soar to 25°C (77°F), while lows may dip to 0°C (32°F). Typically, the humidity level in Alpena throughout May hovers around 79%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Alpena averages 84 mm (3.3 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 14 hours 52 minutes of daylight, with the sun shining for approximately 10 hours 1 minutes each day. Additionally, there is a 46% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Alpena reaches a maximum of 8, 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 | 1 | 3 | 4 | 6 | 8 | 9 | 9 | 7 | 6 | 4 | 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 | ||||||