Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Bjerkvik, Norway, especially given the town's unique climate characterized by cool summers typical of the Dfc zone. Being aware of UV levels helps in preventing sunburn and maintaining overall skin health, making it essential to track daily fluctuations. With midday UV Index readings peaking at levels 5, exposure during the summer months can pose moderate risks. Equip yourself with the right knowledge to enjoy the sun safely while exploring the stunning landscapes of Bjerkvik!
At 07:00 AM, the UV Index begins at a gentle 2, offering a comfortable level for morning activities. As the sun rises higher, it nudges past 3 by 09:00 AM, signaling a gradual increase in intensity. The peak arrives at 11:00 AM, where the index hits 5—a clear indication that midday sun protection is essential. For the next few hours, it maintains this level, suggesting that outdoor enthusiasts should apply sunscreen liberally. As the afternoon rolls on with a slight dip, the index decreases to 4 by 15:00 PM, before gently descending to 3 by 17:00 PM. By evening, the UV Index settles back down to a mild 2 at 18:00 PM and eventually fades to 1 by 19:00 PM, marking a safe phase to enjoy twilight strolls without the need for sunblock.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | 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 | 5 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels fluctuate, impacting sun safety for visitors and residents. January, February, October, November, and December experience a low UV Index (1 or 0), allowing for safe sun exposure with a burn time of up to 45 minutes. As spring approaches, March sees a slight increase to UV Index 2, still categorized as low. The risk months begin with April (UV Index 4), where the burn time decreases to 30 minutes, and peaks during June at UV Index 6, classified as high, necessitating extra precautions with a reduced burn time of just 25 minutes. During July and August, the index falls back to moderate levels, then gradually decreases through September. To ensure safety against UV exposure, it is advised that individuals apply sunscreen, wear protective clothing, and limit direct sun exposure during the peak summer months of April through September.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bjerkvik | 1 | 1 | 2 | 4 | 5 | 6 | 5 | 4 | 3 | 1 | 1 | 0 |
| 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 |