Last updated: May 3, 2025
In Brandvlei, South Africa, awareness of the UV Index is crucial for protecting your skin from harmful sun exposure. Understanding UV levels not only helps in preventing painful sunburns but also plays a vital role in promoting long-term skin health. With a BWh climate that offers plenty of sunshine, residents and visitors alike must be mindful of peak UV periods, especially between 11:00 and 13:00 when levels can reach up to 6—a significant risk for overexposure. Stay informed and take the necessary precautions to enjoy the sun safely in this beautiful region!
The UV Index throughout the day presents a dynamic interplay of sunlight, peaking at 12:00 PM and 1:00 PM with a robust 6. Early risers will enjoy the gentle warmth with a UV Index of 0 at 7:00 AM, slowly climbing to 1 by 8:00 AM. As the morning progresses, it reaches 3 at 10:00 AM and then escalates to its highest at noon. Afternoon hours see a gradual decline, dipping back to 5 at 2:00 PM before gently dropping to 3 by 3:00 PM. As the sun sets, the index retreats below 1 from 5:00 PM onward, concluding with a soothing 0 at 6:00 PM and remaining steady until dusk. Make sure to stay protected during the peak hours, especially when the sun's rays are at their strongest!
| 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 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 2 | 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 in this region demonstrates significant seasonal variation, with extreme levels observed from January to March and again from September to November. The high-risk months are January, February, March, September, October, November, and December, where the UV Index reaches 12-15 and the burn time is as short as 10 minutes. It is crucial for visitors and residents during these months to take protective measures such as wearing sunscreen, hats, and protective clothing to minimize the risk of skin damage. As the year progresses into April and May, UV levels begin to moderate, signaling a slight decrease in risk but still warranting sun protection, especially during midday hours. As summer approaches, UV levels drop to a moderate range in June and July, before climbing back to high in August. Thus, consistent vigilance against UV exposure remains essential throughout the entire year.
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 |
| Durban UVI | 14 | 13 | 12 | 9 | 6 | 4 | 5 | 7 | 9 | 11 | 13 | 15 |
| Brandvlei | 15 | 15 | 12 | 9 | 6 | 5 | 5 | 7 | 11 | 12 | 14 | 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 |