Last updated: June 2, 2025
Understanding the UV Index in Follebu, Norway is crucial for safeguarding your skin health and preventing sunburn. This small yet significant measure can help residents and visitors alike take necessary precautions against harmful UV radiation, especially during peak hours. With a climate classified as Dfc, Follebu experiences varying UV exposure levels throughout the day, peaking at a UV index of 7 around midday. By staying informed about these levels, you can enjoy the beautiful outdoors while protecting your skin from potential damage.
From 7:00 AM to 8:00 AM, the UV Index starts at a low 1, indicating minimal risk of harm from unprotected sun exposure. As the day progresses, the numbers rise steadily, peaking at 7 around 1:00 PM and 2:00 PM, where the danger increases to moderate, advocating for sun protection measures. The UV Index then gradually declines, dropping to 4 by 5:00 PM and further to 2 by the evening hours of 6:00 PM through 7:00 PM. This data highlights the importance of sun safety, especially during the midday hours when the UV rays are at their strongest. Remember, protecting your skin is essential when the UV Index hits that high mark!
| 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 | 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 | 2 | low | 45 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal changes, impacting the risk of UV exposure for visitors and residents. The low-risk months are from January to March, with UV Index values of 1 to 3 and burn times of up to 45 minutes. As spring progresses into April and May, the UV Index increases to moderate and then reaches high levels in May, June, and July (UV Index of 6 to 7) where burn times drop to just 25 minutes. August marks a decline to moderate levels before it further decreases in September and October, returning to low-risk conditions by late fall and winter. Therefore, it is crucial for visitors and residents to be particularly cautious and protective during the high-risk months of May, June, and July, using appropriate sun protection measures such as sunscreen, hats, and sunglasses 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 |
| Follebu | 1 | 1 | 3 | 4 | 6 | 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 |