Last updated: August 1, 2025
Understanding the UV Index in Marsassoum, Senegal, is crucial for maintaining skin health and preventing sunburn. With hot, sunny days typical of the Aw climate zone, residents and visitors alike must be aware of daily UV levels to protect themselves effectively. The UV Index can soar to a maximum of 13 around midday, indicating extreme exposure risks that necessitate precautionary measures. Being informed about these UV levels not only fosters awareness but also empowers the community to enjoy the beautiful sunshine of Marsassoum while safeguarding their skin.
The UV Index displays a fascinating hourly progression throughout the day, starting off gently. At 07:00 and 08:00, the index is low, peaking at 1, ideal for morning activities without much sun protection needed. However, as the day unfolds, things heat up—by 09:00 it escalates to 3, and by 10:00, it reaches 6, signaling the sun's increasing strength. The intensity peaks sharply around 12:00, hitting a maximum of 12, before climbing even higher to 13 at 13:00. This is when sun exposure should be minimized, with protective measures highly recommended. As the afternoon progresses, the index gradually declines, dropping to 10 at 15:00 and further to 3 by 17:00 as daylight begins to fade. The day wraps up with a soft descent back to 1 by 18:00 and 19:00, marking a safe end to outdoor activities. Stay informed and enjoy the sunshine responsibly!
| 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 | 10 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 13 | extreme | 10 min |
| 15:00 | 10 | 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 fluctuations, with the highest readings occurring from March to October. During this period, the UV Index reaches its peak at 14 in August and September, categorized as extreme, with a burn time of just 10 minutes. The months of January and December see lower UV levels (index 9) categorized as very high, necessitating a burn time of 15 minutes. Visitors and residents should exercise caution and protect their skin, especially during the high-risk months of March to October, where the potential for skin damage increases. It is advisable to wear sunscreen, protective clothing, and seek shade during peak sunlight hours to minimize the risk of UV exposure.
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 |
| Marsassoum | 9 | 10 | 12 | 12 | 13 | 13 | 13 | 14 | 14 | 12 | 9 | 9 |
| Touba UVI | 9 | 10 | 12 | 14 | 13 | 13 | 14 | 14 | 13 | 12 | 10 | 8 |