Last updated: June 2, 2025
In Alcanede, Portugal, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. With UV levels peaking at 11 around midday, understanding these values not only helps in preventing sunburn but also plays a vital role in long-term skin health. Alcanede's mild Csb climate brings unique exposure risks—especially during sunny days—making it essential for residents and visitors alike to stay informed about UV levels. By keeping an eye on the UV Index, you can enjoy the sunny days safely while minimizing the risk of harmful skin effects.
The UV Index for the day reveals a dynamic shift in sun exposure, starting off low in the early morning hours with values of 1 at both 7:00 and 8:00. As the sun climbs higher, the index ramps up, peaking at an intense 11 between 13:00 and 14:00—a clear signal for sun safety measures. This period of maximum intensity comes after a sharp rise from 3 at 9:00 to a notable 7 at 11:00. The afternoon provides a gradual decline, with levels falling to 9 by 15:00, then tapering off to 3 by 18:00 before returning to a safe 1 at 19:00. It's a solid 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 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, highlighting the importance of sun safety for both visitors and residents. High-risk months for skin exposure occur from April to September, with May and June reaching the highest levels at a UV Index of 10 and 11, categorized as very high and extreme, respectively, where burn times can be as short as 10 minutes. As the warmer months approach, individuals should take necessary precautions, such as wearing protective clothing, using sunscreen, and seeking shade during peak hours. As winter arrives in December and January, the UV Index decreases to 3 and 4, indicating a moderate risk, but protection remains essential to prevent skin damage. By being mindful of these seasonal UV changes, everyone can enjoy outdoor activities safely throughout the year.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Braga UVI | 2 | 4 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 6 | 4 | 2 |
| Porto UVI | 2 | 4 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 6 | 4 | 2 |
| Alcanede | 3 | 4 | 6 | 9 | 10 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |
| Amadora UVI | 3 | 5 | 6 | 9 | 10 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |
| Lisbon UVI | 3 | 5 | 6 | 9 | 10 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |
| Setubal UVI | 3 | 5 | 6 | 9 | 10 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |