Last updated: May 3, 2025
Understanding the UV Index is vital for residents and visitors in Oudtshoorn, South Africa, where the unique BSk climate offers long hours of sunshine and high UV exposure throughout the day. Being aware of UV levels is not just about avoiding sunburn; it plays a crucial role in protecting your skin health and preventing long-term damage. With midday UV Index values reaching up to 5, the risk of harm increases significantly, especially between 11 AM and 2 PM. As you explore this beautiful region, stay informed about UV conditions to enjoy the sun safely and keep your skin healthy!
The UV Index for the day begins at a safe 0 at 07:00, making it the perfect time for morning activities. As the sun rises, the index gradually climbs to 1 by 08:00 and 2 by 09:00. The intensity peaks between 11:00 and 13:00, reaching a maximum value of 5—a key time for sun protection! Following this, the UV levels gradually decline, dropping to 4 at 14:00 and then tapering off to 3 by 15:00. As afternoon gives way to evening, the UV Index decreases steadily to 1 at 17:00 and finally back to 0 by 19:00. Remember to enjoy the sun responsibly during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, with the highest values occurring during the early months and the winter season. January, February, and March showcase an extreme UV Index of 14 and a quick burn time of just 10 minutes, making these months a high-risk period for sun exposure. April continues with a very high UV Index of 8, easing slightly to 5 in May and 4 from June to July, where the risk moves to moderate levels. The UV Index increases again in August at 6 (high) and peaks in September at 9 (very high). As temperatures drop, October and November return to the extreme category, while December sees a 15, the highest of the year. Residents and visitors are advised to take precautions during high-risk months—especially in late winter and early spring—by wearing protective clothing, using sunscreen, and limiting sun exposure time to stay safe from harmful UV rays.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cape Town UVI | 14 | 13 | 11 | 8 | 5 | 3 | 4 | 6 | 9 | 11 | 12 | 14 |
| Oudtshoorn | 14 | 14 | 11 | 8 | 5 | 4 | 4 | 6 | 9 | 11 | 13 | 15 |
| Durban UVI | 14 | 13 | 12 | 9 | 6 | 4 | 5 | 7 | 9 | 11 | 13 | 15 |
| Johannesburg UVI | 15 | 15 | 13 | 10 | 7 | 6 | 6 | 8 | 11 | 12 | 14 | 16 |
| Pretoria UVI | 16 | 15 | 13 | 10 | 7 | 6 | 6 | 9 | 11 | 13 | 14 | 16 |
| Soweto UVI | 16 | 15 | 13 | 11 | 7 | 6 | 6 | 8 | 11 | 13 | 15 | 16 |