Last updated: July 2, 2025
In San Julian de Muskiz, Spain, being aware of the UV Index is crucial for safeguarding your skin health, especially during the warmer months when exposure levels can soar. Understanding UV levels helps prevent sunburn and long-term skin damage, making it an essential part of daily life in this Cfb climate zone, where mild summers can still bring significant UV radiation. With peak UV Index values reaching as high as 10 between 1 PM and 2 PM, it's vital for residents and visitors alike to stay informed and take necessary precautions to enjoy the sun safely.
The UV Index for the day starts off mild, with values of 1 at both 7:00 and 8:00 AM, indicating that sun protection is not yet a priority. As the morning progresses, the index gradually rises, reaching 2 by 9:00 AM and 3 by 10:00 AM. The real intensity kicks in around 11:00 AM, where the UV Index escalates to 5, marking the beginning of elevated sun exposure. By noon, the index spikes to 7, and peaks at 10 by 2:00 PM, signaling a period of high risk for harm from unprotected sun exposure. As the afternoon shifts, values begin to taper off, dropping to 6 by 5:00 PM, then easing to 4 by 6:00 PM, and finally closing the day at 2 by 7:00 PM. It's a clear reminder to stay protected during peak hours!
| 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 | 5 | moderate | 30 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 4 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, seasonal changes in UV exposure highlight significant fluctuations in the UV Index. The months of May through August are particularly high-risk, with UV Index values reaching a peak of 10, indicating very high exposure and a burn time of only 15 minutes. Visitors and residents should remain vigilant during these months, employing protective measures such as sunscreen and clothing, especially between 10 AM and 4 PM when UV exposure is strongest. March and April also show increased risk with UV Index values of 6 and 7 respectively. Conversely, January and December present lower risk levels, with UV Index values of 2 indicating low exposure and longer potential burn times of 45 minutes. It is essential to monitor UV levels year-round and adjust sun protection strategies accordingly to ensure safety.
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 |
| San Julian de Muskiz | 2 | 4 | 6 | 7 | 9 | 10 | 10 | 9 | 7 | 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 |