Last updated: March 2, 2024
The weather in Deer Isle, United States, during May is characterized by an average temperature of 9°C (49°F). Highs can soar to 16°C (61°F), while lows may dip to 4°C (40°F). Typically, the humidity level in Deer Isle throughout May hovers around 76%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Deer Isle averages 105 mm (4.1 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 14 hours 46 minutes of daylight, with the sun shining for approximately 9 hours 13 minutes each day. Additionally, there is a 35% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In May, the UV Index in Deer Isle reaches a maximum of 9, 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 | 4 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 | 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 | ||||||