Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Barkly West, South Africa, where the climate leans towards a semi-arid (BSh) zone, leading to prolonged sun exposure. Awareness of UV levels is essential for preventing sunburn and maintaining long-term skin health, especially during peak hours when the index reaches high levels, such as 12:00 PM with a UV reading of 7. With daily variations in UV exposure, recognizing these risks can help you enjoy the sun safely while protecting your skin from harmful effects. Stay informed and safeguard your health in the sunny days ahead!
The UV Index data for the day reveals a notable peak around noon, reaching a maximum of 7, indicating a high level of sun exposure. The morning begins with a mild index, starting at 1 at 07:00 and 08:00. By 09:00, it rises to 2, slowly climbing to 4 by 10:00. The intensity escalates significantly by 11:00 and hits its zenith at 12:00. After that, the UV levels gradually decline, dropping to 6 at 13:00 and 5 at 14:00, before falling to 3 by 15:00. As the evening approaches, the UV Index decreases rapidly, returning to 1 by 16:00 and reaching 0 by 18:00, signaling an end to the sun's harmful rays for the day. Remember to stay protected during those peak hours!
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 | 4 | moderate | 30 min |
11:00 | 6 | high | 25 min |
12:00 | 7 | high | 25 min |
13:00 | 6 | high | 25 min |
14:00 | 5 | 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 |
Barkly West | 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 |