Last updated: August 1, 2025
Understanding the UV Index in Leira, Norway is crucial for protecting your skin and overall health. With UV levels peaking at 7 during midday, awareness can help prevent painful sunburns and long-term skin issues. Leira's Dfc climate means cool summers and varied sun exposure, but even on overcast days, UV rays can reach dangerous levels. By learning about UV Index fluctuations throughout the day, you can take proactive steps to enjoy the beautiful outdoors safely!
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 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 5 | 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 |
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 |
| Leira | 1 | 2 | 3 | 4 | 6 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |