Last updated: July 2, 2025
Understanding the UV Index in Nouadhibou, Mauritania is crucial for protecting your skin and health as you enjoy the sun-soaked environment of this coastal city. The UV Index provides vital information about the strength of ultraviolet radiation, which peaks around midday, reaching levels of 10—indicating a high risk of harm from unprotected sun exposure. With an arid climate characteristic of a BWh zone, local residents and visitors must remain vigilant, as even brief exposure during the hottest hours can lead to sunburn and long-term skin damage. Stay informed and safeguard your well-being by monitoring the UV levels during your time under the Mauritanian sun!
The UV Index for today presents a dynamic landscape, peaking dramatically during the midday hours. Starting off at a gentle 1 by 07:00 and 08:00, the intensity ramps up to 2 by 09:00. As the sun rises higher, the index soars to 5 at 10:00, reaching its zenith with a striking 10 from 13:00 to 14:00—indicating a high risk of harm from unprotected sun exposure. Fortunately, the afternoon offers some relief, with numbers tapering off to 8 at 15:00 and then descending further to 3 by 17:00. The late evening brings a welcome decrease back down to 1 as the sun sets around 18:00, reminding us to be mindful of our sun safety throughout the day!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 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 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal changes, with the highest levels occurring from March to September. During these months, UV exposure is categorized as extreme, peaking at 13 in April and May, while February and August also reach extreme levels of 9 and 11, respectively. High-risk months include March, April, May, and June, where the burn time is just 10 minutes, indicating a critical need for sun protection. Residents and visitors are advised to take precautions during these periods by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade, particularly between 10 AM and 4 PM, when UV radiation is strongest. As the year progresses toward October and November, while the UV Index remains elevated at 10 and 8, respectively, the burn time increases to 15 minutes, still necessitating vigilance against overexposure to sunlight.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nouadhibou | 7 | 9 | 11 | 13 | 13 | 12 | 10 | 11 | 12 | 10 | 8 | 7 |
| Nouakchott UVI | 8 | 9 | 12 | 13 | 13 | 13 | 12 | 12 | 14 | 11 | 9 | 8 |
| Kaedi UVI | 9 | 9 | 12 | 12 | 12 | 13 | 13 | 14 | 13 | 11 | 10 | 8 |
| Nema UVI | 9 | 11 | 12 | 14 | 13 | 12 | 12 | 13 | 12 | 11 | 10 | 9 |
| Rosso UVI | 9 | 10 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 12 | 10 | 8 |