Last updated: July 2, 2025
Understanding the UV Index is essential for residents and visitors of Randaberg, Norway, as it plays a crucial role in protecting against harmful UV radiation. Knowing the UV levels can help you take necessary precautions to prevent sunburn and maintain long-term skin health, especially as sunny days can present unseen risks. With Randaberg's Cfb climate, characterized by cool summers, the potential for elevated UV exposure during peak daylight hours—reaching a maximum of 6 between 12:00 PM and 3:00 PM—highlights the importance of being vigilant about sun safety. Stay informed and enjoy the sun responsibly!
The UV Index for the day presents a clear progression of intensity as the hours unfold. Starting off at a manageable 1 at 07:00, the warmth of the sun gradually encourages an increase, reaching 2 by 08:00 and maintaining this level through 09:00. The sun then begins to assert its strength, peaking at 6 from 12:00 to 15:00, indicating a need for sun protection, especially during these midday hours. As the day winds down, the index recedes, dropping to 4 by 17:00 and eventually settling at 2 by 19:00. Be sure to enjoy the sunlight wisely and stay protected during those vibrant afternoon hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | 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 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
The UV Index shows significant seasonal variation, highlighting key months for sun exposure and skin protection. From March to August, the UV Index rises, peaking in June at 7 (high exposure category), which indicates a burn time of just 25 minutes. Visitors and residents should be particularly cautious during the high-risk months of May (UV Index 6), June (UV Index 7), and July (UV Index 6), when the potential for skin damage increases. In contrast, the winter months of January, February, October, November, and December are characterized by a low UV Index (1-2), allowing for longer burn times of up to 45 minutes. To ensure safety during high UV periods, it is advisable to wear protective clothing, apply sunscreen, and seek shade during peak sun hours.
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 |
| Randaberg | 1 | 1 | 3 | 4 | 6 | 7 | 6 | 5 | 4 | 2 | 1 | 1 |
| Stavanger UVI | 1 | 1 | 3 | 4 | 6 | 7 | 6 | 5 | 4 | 2 | 1 | 1 |