Last updated: August 1, 2025
In Mankoeng, South Africa, understanding the UV Index is essential for promoting sun safety and protecting your skin. With an outdoor lifestyle often enjoyed under the radiant sun, being aware of UV levels can help prevent sunburn and reduce the risk of long-term skin damage. The local Cwa climate brings warm, sunny days, with peak UV Index values reaching 7 during midday hours – a sign that sun protection is crucial for maintaining healthy skin. By staying informed about daily UV fluctuations, residents can confidently enjoy their time outdoors while safeguarding their skin health.
At dawn, the UV Index starts off low, with a maximum of 1 at 07:00 and 08:00. As the sun rises higher, it reaches 3 by 09:00, before climbing to a peak of 7 at 12:00. This midday intensity signifies a need for sun protection, especially during the height of the day when UV exposure is most potent. The index begins to decline in the afternoon, dropping to 5 at 14:00 and settling back to 1 by 17:00. By 18:00 and into the evening, the UV Index sharply drops to 0, marking a safe time to enjoy outdoor activities without the risk of sunburn. Stay sun-safe!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 9 | very high | 15 min |
12:00 | 9 | very high | 15 min |
13:00 | 8 | very high | 15 min |
14:00 | 6 | high | 25 min |
15:00 | 4 | 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 |
The UV Index displays significant seasonal variation, with extreme levels persisting from January through April and again in September to November. The highest risk months for UV exposure are January, February, and December, each with a UV Index of 16, indicating an extreme exposure category and a burn time of only 10 minutes. April also has an extreme rating at 11. In contrast, May and August have very high levels with UV indices of 8 and 9 respectively, leading to longer burn times of 15 minutes. This information emphasizes the importance of protective measures such as sunscreen, protective clothing, and limiting sun exposure, particularly during these high-risk months. Visitors and residents should remain vigilant and prioritize safety throughout the year, especially during the extreme exposure periods.
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 |
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 |
Mankoeng | 16 | 16 | 13 | 11 | 8 | 6 | 7 | 9 | 11 | 13 | 15 | 16 |