Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Ndwedwe, South Africa, as it provides essential insights into daily sun exposure levels. Being aware of UV levels can help prevent sunburn and promote long-term skin health, allowing you to enjoy the beautiful weather safely. Ndwedwe's Cfa climate brings warm temperatures and ample sunshine, which can elevate UV risks, particularly during midday hours. With UV Index readings peaking at 5 around noon, it’s vital to take precautions and protect your skin to avoid harmful effects.
The UV Index throughout the day follows a distinct pattern, with the intensity peaking at 12:00 PM when it reaches a noteworthy level of 5. Morning hours start off mild, with values of 1 at 07:00 and 08:00, gradually escalating to 2 by 09:00, then climbing to 4 at 11:00. Post-noon, the index slightly decreases, falling to 4 again at 13:00, before tapering off to 2 by 15:00. As the day winds down, the levels drop significantly, plunging to 0 by 19:00. This highlights the importance of sun protection during the midday hours when UV radiation is at its strongest.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 5 | moderate | 30 min |
11:00 | 7 | 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, the UV Index shows significant fluctuations, with the highest risk months being January, February, March, October, November, and December, all categorized as having an extreme exposure level and a burn time of just 10 minutes. April and September also exhibit very high levels of UV exposure with a burn time of 15 minutes. In contrast, June and July present a moderate risk, while May and August fall into the high category. Visitors and residents should take extra precautions during high-risk months by using broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak hours to minimize UV exposure and ensure skin safety.
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 |
Ndwedwe | 14 | 13 | 12 | 9 | 6 | 4 | 5 | 7 | 9 | 11 | 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 |