Last updated: June 2, 2025
Understanding the UV Index in Geilo, Norway, is crucial for protecting your skin and overall health. With its unique Dfc climate, Geilo experiences significant UV exposure, particularly during midday hours when the index can reach a high of 7. Being aware of the UV levels helps you take preventative measures against sunburn, which can lead to long-term skin damage. From enjoying the stunning landscapes to participating in outdoor activities, knowing the UV Index each day empowers residents and visitors alike to enjoy the sun safely while minimizing risks to skin health.
The UV Index throughout the day showcases a fascinating journey of sunlight intensity. At daybreak (07:00), the index starts low at 1, indicating only minimal risk for sun exposure. As the morning progresses, it climbs steadily, reaching 3 by 09:00 and escalating to 5 by 10:00. The peak intensity occurs at 12:00, where it hits 7, indicating a high risk for sunburn, and remains at this level until 14:00. As the afternoon wanes, the UV Index begins to taper off—6 at 15:00, followed by 5 at 16:00 and gradually decreasing to 2 by 19:00. This data underscores the importance of sun safety during peak hours, particularly between 11:00 and 14:00, when protective measures are essential. Remember to reapply sunscreen and seek shade to enjoy the sunshine safely!
| 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 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | 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 |
Throughout the year, seasonal UV Index changes indicate varying levels of sun exposure risk. In the low-risk months of January, February, October, November, and December, the UV Index remains between 1 and 2, allowing for a safer burn time of 45 minutes. As spring approaches, March sees a moderate UV Index of 3, reducing safe exposure to 30 minutes. The high-risk months of May through August, with UV Index values between 6 and 7, demand more caution as burn times drop to 25 minutes. September transitions back to moderate levels, while the cycle returns to low risk by October. Visitors and residents are advised to monitor UV Index changes, especially during high-risk months, by applying sunscreen, wearing protective clothing, and seeking shade to minimize skin damage.
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 |
| Geilo | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |