Last updated: July 2, 2025
Understanding the UV Index in Prestestranda, Norway, is crucial for maintaining your skin's health and preventing sunburn. With its cool-summer humid continental climate, Prestestranda often surprises residents and visitors alike with its UV exposure, especially during the peak daytime hours when the index can reach as high as 6. By being aware of the UV levels throughout the day, you can take proactive steps to protect yourself and enjoy the beautiful Norwegian outdoors safely. Whether you’re soaking up the sun or engaging in outdoor activities, knowing the UV Index helps you make informed decisions to safeguard your skin and overall well-being.
At dawn, the UV Index begins its gentle ascent, peaking at 1 by 7:00 AM. As the sun rises higher, the index climbs steadily: reaching 2 at 8:00 AM, it hits 3 by 9:00 AM. The golden hour of 10:00 AM is marked with a 4, and by 11:00 AM, it surges to 5, indicating moderate exposure. The midday sun showcases its strength, with a maximum of 6 between 12:00 PM and 3:00 PM – a clear signal for sun protection! As the afternoon wanes, the index gradually declines, dropping to 3 at 5:00 PM, and finally tapering off to 1 by 7:00 PM, as the sun sets. Remember, during those peak hours, staying protected is essential!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal variation, with the highest levels occurring during the summer months. From May to July, the UV Index peaks at 6 to 7, classified as high, which corresponds to a burn time of just 25 minutes for unprotected skin. March to April sees moderate indices of 3 to 4, necessitating caution, while from August to October, the levels decrease back to moderate and low categories. Notably, the highest-risk months for UV exposure are May, June, and July, making it essential for visitors and residents to take specific precautions, such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours. From November through February, UV exposure is minimal, allowing for a more relaxed approach to sun safety. However, it's advisable to remain vigilant year-round as UV radiation can still pose risks, even on cloudy days.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Trondheim UVI | 1 | 1 | 2 | 4 | 5 | 6 | 6 | 5 | 3 | 2 | 1 | 1 |
| Bergen UVI | 1 | 1 | 3 | 4 | 5 | 7 | 6 | 5 | 4 | 2 | 1 | 1 |
| Oslo UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Drammen UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Stavanger UVI | 1 | 1 | 3 | 4 | 6 | 7 | 6 | 5 | 4 | 2 | 1 | 1 |
| Prestestranda | 1 | 2 | 3 | 4 | 6 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |