Last updated: March 2, 2024
The weather in Grundarhverfi, Iceland, during April is characterized by an average temperature of 4°C (39°F). Highs can soar to 12°C (54°F), while lows may dip to -7°C (20°F). Typically, the humidity level in Grundarhverfi throughout April hovers around 87%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Grundarhverfi averages 123 mm (4.8 inches) of rainfall, typically over the course of 17 rainy days. The month enjoys an average of 15 hours 10 minutes of daylight, with the sun shining for approximately 7 hours 2 minutes each day. Additionally, there is a 24% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in Grundarhverfi reaches a maximum of 4, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 1 | 2 | 2 | 3 | 4 | 4 | 4 | 3 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||