Last updated: March 2, 2024
The weather in Grimstad, Norway, during August is characterized by an average temperature of 16°C (62°F). Highs can soar to 24°C (75°F), while lows may dip to 9°C (49°F). Typically, the humidity level in Grimstad throughout August hovers around 78%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Grimstad averages 101 mm (4.0 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 15 hours 14 minutes of daylight, with the sun shining for approximately 13 hours 14 minutes each day. Additionally, there is a 49% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In August, the UV Index in Grimstad reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 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 | 3 | 4 | 5 | 6 | 5 | 5 | 4 | 3 | 2 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||