Last updated: March 2, 2024
The weather in Hellissandur, Iceland, during May is characterized by an average temperature of 6°C (42°F). Highs can soar to 10°C (50°F), while lows may dip to 1°C (34°F). Typically, the humidity level in Hellissandur throughout May hovers around 87%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Hellissandur averages 81 mm (3.2 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 18 hours 50 minutes of daylight, with the sun shining for approximately 11 hours 5 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 Hellissandur reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 30 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 | 2 | 3 | 4 | 4 | 5 | 5 | 4 | 4 | 3 | 2 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||