Last updated: July 2, 2025
In Alfandega da Fe, Portugal, understanding the UV Index is crucial for protecting your skin and overall health. The UV Index indicates the strength of ultraviolet (UV) radiation at different times of the day, helping you gauge how much sun exposure is safe. With maximum UV levels peaking at 10 during midday, residents and visitors should be particularly vigilant to prevent sunburn and long-term skin damage. Given Alfandega da Fe's Csb climate—characterized by mild summers and cool winters—it's essential to remain aware of UV risks, especially during hotter months when outdoor activities are more prevalent. Keep your skin safe and enjoy the sunny beauty of Alfandega da Fe with informed UV awareness!
The UV Index for the day showcases a striking ascent in intensity, peaking during the afternoon hours. Starting from a low of 1 at 07:00 and 08:00, the index swiftly climbs to reach 3 by 09:00. By 10:00, it escalates to a moderate 5, but the real surge occurs between 11:00 and 14:00, hitting a maximum of 10—indicating a high risk of harm from unprotected sun exposure. As the day progresses, the UV Index gradually drops, retracting to 4 by 17:00 and further declining to 1 by 19:00. It's crucial to stay protected during those 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 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index shows a clear seasonal pattern, with increasing intensity from January to June and a gradual decline thereafter. March marks the transition to high risk, followed by extremely high levels in June (UV Index 11). April and May also present very high values (UV Index 9), making them critical months for sun exposure. From June to September, the UV Index remains predominantly in the very high category, indicating a heightened risk for sunburn and skin damage. Residents and visitors should take precautions, especially during April to September, by wearing protective clothing, applying sunscreen, and limiting time in direct sunlight, particularly during peak hours. As October and November roll in, UV levels decrease significantly, providing some relief, although it's still advisable to stay cautious with moderate UV levels in these months.
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 |
| Alfandega da Fe | 3 | 4 | 6 | 9 | 9 | 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 |