Last updated: August 1, 2025
In Tsau, Botswana, awareness of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can help prevent sunburn and reduce the risk of long-term skin damage, making it essential for residents and visitors alike. Tsau’s climate, characterized by its arid conditions (BSh), often leads to elevated UV exposure, particularly during midday hours when levels can reach as high as 8. By staying informed about the UV Index, you can take proactive steps to enjoy the sun safely and maintain your skin's health.
As the sun rises, the UV Index gradually increases, peaking at 12:00 PM and 1:00 PM with a striking 8. Early morning hours see a moderate index of 1 at 07:00 and 08:00, providing a gentle start before the intensity ramps up. By 10:00, the index reaches 4, climbing to a noteworthy 6 at 11:00. This midday surge urges beachgoers and outdoor enthusiasts to seek shade and apply sunscreen, as the index starts to decline after 1:00 PM. In the afternoon, it dips to 4 at 3:00 PM, before returning to a safe 1 by late afternoon and evening, ending in a soothing 0 at 7:00 PM. Stay sun-safe and enjoy the warmth!
| 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 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV exposure dramatically fluctuates, with the highest risk months being January through April, where the UV Index reaches extreme levels of 17 to 12, requiring minimal sun exposure to avoid burns in just 10 minutes. Following this period, May to August sees a slight decrease, with UV Index values ranging from 9 to 10, categorized as very high, allowing for longer exposure times of 15 to 25 minutes. As temperatures drop in September through December, UV Index values remain high, fluctuating between 12 and 15, again necessitating caution with exposure limited to 10 to 15 minutes. To ensure safety, both visitors and residents are advised to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade, especially during the highest risk periods. Regularly checking the local UV index and adjusting outdoor activities accordingly is essential to minimize skin damage and promote overall health.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gaborone UVI | 16 | 15 | 13 | 11 | 8 | 6 | 6 | 9 | 11 | 13 | 14 | 16 |
| Molepolole UVI | 16 | 15 | 13 | 11 | 8 | 6 | 6 | 9 | 11 | 13 | 14 | 16 |
| Selebi-Phikwe UVI | 16 | 15 | 13 | 12 | 9 | 7 | 7 | 9 | 11 | 14 | 14 | 15 |
| Francistown UVI | 17 | 16 | 14 | 12 | 9 | 7 | 7 | 10 | 11 | 14 | 14 | 15 |
| Tsau | 17 | 16 | 14 | 12 | 9 | 7 | 8 | 10 | 12 | 13 | 15 | 15 |
| Maun UVI | 16 | 15 | 14 | 12 | 9 | 8 | 8 | 10 | 12 | 13 | 15 | 15 |