Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Warrenton, South Africa, as it provides essential insights into daily sun exposure risks. With a climate classified as BSh, the region experiences notable UV levels that can lead to sunburn and long-term skin health issues. By monitoring these UV levels, you can protect yourself and your loved ones from harmful radiation, especially during peak hours when the index reaches its maximum at 12:00 PM and 1:00 PM with a level of 5. Stay informed and safe under the African sun!
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, UV exposure varies significantly, with extreme levels dominating the high-risk months of January, February, March, September, October, November, and December, all displaying UV Index values of 13 or higher and a burn time of just 10 minutes. April sees a slight decline to a very high UV Index of 10 and a burn time of 15 minutes, while May and June lower the risk with UV Index values of 7 and 5 respectively, allowing for 25 to 30 minutes of safe sun exposure. As summer progresses into July, the UV Index remains moderate but increases again in August to 8. To protect yourself during high UV periods, it’s crucial for visitors and residents to seek shade, wear protective clothing, and apply sunscreen regularly, especially during peak hours.
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 |
Warrenton | 15 | 15 | 13 | 10 | 7 | 5 | 5 | 8 | 11 | 13 | 14 | 16 |
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 |