Last updated: August 1, 2025
In Oseja de Sajambre, Spain, understanding the UV Index is crucial for protecting your skin from harmful solar radiation. With a climate classified as Cfb, this picturesque region experiences varying UV levels throughout the day, peaking at a significant 10 between 2 PM and 3 PM. Awareness of these levels allows residents and visitors alike to take proactive measures against sunburn and long-term skin health risks. As the sun shines brightly, especially during summer months, knowing when to seek shade or apply sunscreen can help safeguard your skin while enjoying the stunning natural beauty of Oseja de Sajambre.
The UV Index throughout the day showcases a significant rise in intensity, peaking during the afternoon. Starting from a mild level of 1 at 7:00 AM and 8:00 AM, it steadily climbs and hits 3 by 10:00 AM. The sun's rays become more intense as the day progresses, reaching a noteworthy level of 7 at 12:00 PM. The highest values appear between 1:00 PM and 3:00 PM, where the UV Index reaches a maximum of 10, indicating a very high risk of harm from unprotected sun exposure. As the sun begins to dip, the index gradually declines, falling to 4 by 6:00 PM and resting at 2 by 7:00 PM. It's a vivid reminder to stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 4 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, UV index levels vary significantly, indicating changing risks for sun exposure. January and December present low UV levels (Index 2), allowing for longer safe exposure times of 45 minutes. As the year progresses, February brings a moderate risk with an index of 4, reducing safe exposure to 30 minutes. The risk escalates in March (Index 6, 25 minutes) and peaks during the summer months of June (Index 11, 10 minutes) and July (Index 10, 15 minutes), which are considered high-risk periods. August and September maintain very high levels (Indices 9 and 8, respectively), followed by a gradual decline in October (Index 5, 30 minutes) and November (Index 3, 30 minutes). To protect against harmful UV rays, it is crucial for visitors and residents to take extra precautions during the high-risk months from March to September, including wearing sunscreen, protective clothing, and seeking shade during peak sun hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Barcelona UVI | 3 | 4 | 5 | 7 | 8 | 10 | 10 | 9 | 7 | 6 | 3 | 2 |
| Oseja de Sajambre | 2 | 4 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 5 | 3 | 2 |
| Zaragoza UVI | 3 | 4 | 6 | 8 | 9 | 11 | 11 | 9 | 8 | 6 | 3 | 2 |
| Valencia UVI | 3 | 4 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |
| Madrid UVI | 3 | 4 | 6 | 8 | 10 | 11 | 11 | 9 | 8 | 6 | 4 | 3 |
| Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |