Last updated: May 3, 2025
In Sao Joao da Pesqueira, Portugal, understanding the UV Index is crucial for maintaining your skin's health and preventing sunburn. With its Csb climate, characterized by warm summers and mild winters, residents and visitors alike should be aware of the varying levels of ultraviolet radiation throughout the day. Notably, peak UV exposure occurs between 11:00 AM and 2:00 PM, with values reaching a maximum of 10 — a reminder of the importance of sun protection during these hours. By staying informed about UV levels, you can enjoy the stunning landscapes of this beautiful region while safeguarding your skin against the harmful effects of sun exposure.
The UV Index throughout the day presents a clear narrative of rising intensity, peaking in the afternoon. Starting at 1 by 07:00, the UV levels gradually ascend, reaching 5 by 10:00. By 11:00, the index climbs to 7, and it soars to a striking 10 at 13:00—the optimal time for sun precautions. The intensity slightly wanes thereafter, dropping to 9 at 14:00 and continuing down to 4 by 17:00. As evening approaches, the UV Index dwindles to 1 by 19:00, signaling a return to safer levels. This data underscores the importance of sun safety measures during peak hours, particularly between 11:00 and 14:00.
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 | 9 | very high | 15 min |
13:00 | 10 | very high | 15 min |
14:00 | 9 | very high | 15 min |
15:00 | 8 | very high | 15 min |
16:00 | 6 | high | 25 min |
17:00 | 4 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
The UV Index shows significant seasonal variation, with highest levels occurring during the summer months. From April to August, UV Index values reach their peak, particularly in June with an extreme index of 11, making it crucial for individuals to take precautions during these high-risk months. In comparison, winter months like January and December exhibit lower UV exposure, classified as moderate to low, where burn time can extend up to 45 minutes. Visitors and residents alike should be vigilant during March (UV 6) and the late spring to summer months, ensuring protection through sunscreen, clothing, and seeking shade, especially during peak hours when burn times decrease significantly.
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 |
Sao Joao da Pesqueira | 3 | 4 | 6 | 9 | 10 | 11 | 10 | 9 | 8 | 6 | 4 | 2 |
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 |