Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Mansoa, Guinea-Bissau, where the tropical Aw climate brings plenty of sunshine year-round. As UV levels can peak dramatically, especially around noon, being aware of these levels is essential for sunburn prevention and maintaining optimal skin health. With a maximum UV Index of 13 during the hottest parts of the day, the risks of overexposure are significant, making it vital to take precautions, especially for those enjoying outdoor activities. By staying informed about the UV Index, you can protect yourself and your loved ones from harmful effects of UV radiation while enjoying the beautiful sunny days that Mansoa has to offer.
The UV Index for the day tells a fascinating story of rising intensity under the sun. Early risers at 07:00 and 08:00 experienced a mild UV Index of 1, perfect for leisurely outdoor activities. As the day progressed, the index climbed steadily, reaching a moderate 3 by 09:00. By 11:00, it surged to 9, marking the start of peak sun exposure. The sun blazed at 12:00, reaching a high of 12, and continued to shine at 13:00 with an impressive 13. Throughout the afternoon, the intensity began to retreat, falling to 12 by 14:00 and gently tapering to 9 at 15:00. By evening, the sun’s grip loosened, with the index dropping to 3 at 17:00 and finally returning to a gentle 1 by 18:00 and 19:00. A day filled with sunshine serves as a reminder 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 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal variation, peaking during the summer months from June to September, where it reaches an extreme level of 13 to 14. Consequently, the months with the highest risk for UV exposure are August and September, necessitating vigilant sun safety practices. In contrast, the early winter months of January and February still present a very high UV Index of 10, with a burn time of just 15 minutes. Residents and visitors alike should be aware that regardless of the season, prolonged exposure to the sun's rays can lead to harmful effects. It is advisable to wear protective clothing, apply broad-spectrum sunscreen, and seek shade during peak sun hours, especially during high-risk months. Staying informed and taking precautions can help ensure a safe and enjoyable outdoor experience year-round.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bafata UVI | 9 | 10 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 9 | 9 |
| Mansoa | 10 | 10 | 11 | 12 | 12 | 13 | 13 | 14 | 14 | 12 | 9 | 9 |
| Gabu UVI | 9 | 10 | 12 | 12 | 13 | 13 | 13 | 14 | 13 | 12 | 10 | 9 |
| Bolama UVI | 10 | 10 | 11 | 12 | 13 | 13 | 13 | 14 | 14 | 12 | 9 | 9 |
| Bissau UVI | 10 | 10 | 11 | 12 | 13 | 13 | 13 | 14 | 14 | 12 | 9 | 9 |
| Bissora UVI | 9 | 10 | 12 | 12 | 13 | 13 | 13 | 14 | 14 | 12 | 9 | 9 |