Last updated: May 3, 2025
In Gandiaye, Senegal, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. With a BSh climate, characterized by hot, sunny days, residents and visitors are often exposed to elevated UV levels, especially during midday hours when the index peaks. Understanding these UV levels—from a moderate 3 in the morning to a striking 13 at noon—enables individuals to take necessary precautions, ensuring safe outdoor activities while protecting their skin from harmful effects. Stay informed and enjoy the sun wisely!
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 experiences significant seasonal variation, peaking during the warmer months. From March to October, the UV Index remains in the extreme category, with the highest readings in April, July, and August (all reaching 14), necessitating very brief sun exposure times of only 10 minutes before burning begins. January and February are also notable high-risk months, with UV indices of 9 to 10 and burn times of 15 minutes. As such, visitors and residents are advised to take necessary precautions during these months, including wearing sunscreen, protective clothing, and seeking shade to reduce the risk of skin damage. Additionally, even during the lower UV months of November and December, with indices of 8 to 10, it is wise to remain vigilant about sun protection.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pikine UVI | 9 | 10 | 12 | 13 | 12 | 12 | 13 | 13 | 13 | 11 | 10 | 9 |
| Dakar UVI | 9 | 10 | 12 | 13 | 12 | 12 | 13 | 13 | 13 | 11 | 10 | 9 |
| Thies Nones UVI | 9 | 10 | 12 | 13 | 12 | 12 | 13 | 13 | 13 | 11 | 10 | 8 |
| Thies UVI | 9 | 10 | 12 | 13 | 12 | 12 | 13 | 13 | 13 | 11 | 10 | 8 |
| Gandiaye | 9 | 10 | 12 | 14 | 13 | 13 | 14 | 14 | 13 | 12 | 10 | 8 |
| Touba UVI | 9 | 10 | 12 | 14 | 13 | 13 | 14 | 14 | 13 | 12 | 10 | 8 |