Last updated: August 1, 2025
In Vredendal, South Africa, being aware of the UV Index is crucial for safeguarding your skin against the sun’s harmful rays. Understanding UV levels can help prevent sunburn and promote long-term skin health, especially in this sunny climate where UV exposure risks can escalate during midday hours. Typically characterized by a BSh climate, Vredendal experiences significant UV radiation, peaking at levels of 4 around noon. Staying informed about the UV Index not only protects your skin but also ensures you enjoy the beautiful outdoor lifestyle that Vredendal has to offer.
At dawn, the UV Index remains nonexistent until 8:00 AM, when it registers a low 1, gradually climbing as the day unfolds. By 10:00 AM, it reaches 2, and as the sun reaches its zenith at 12:00 PM, the index peaks at a moderate 4. This peak is maintained until 2:00 PM, where the sun’s intensity persists, before gradually tapering off in the afternoon. At 3:00 PM, the UV Index drops back down to 3, continuing its decline to 1 by 5:00 PM, and ultimately settling back to 0 by 6:00 PM. As evening approaches, the UV radiation fades, highlighting the importance of sun protection during those midday hours when it’s most potent.
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 | 4 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, UV exposure varies significantly, with January, February, March, October, November, and December presenting extreme conditions and a high UV Index of 15 to 13, allowing for a rapid burn time of only 10 minutes. The transition to April marks a decrease to a very high category (UV Index 9) with a burn time of 15 minutes, while May and August experience high conditions (UV Index 6) with burn times of 25 minutes. The months of June and July see a decline to a moderate level (UV Index 4) with longer burn times of 30 minutes. As September returns to very high (UV Index 10), visitors and residents are urged to exercise caution throughout the year, especially during the peak months of January to March and October to November. To minimize risk, it’s crucial to wear sunscreen, protective clothing, and avoid prolonged exposure during peak UV 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 |
Vredendal | 15 | 13 | 12 | 9 | 6 | 4 | 4 | 6 | 10 | 12 | 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 |