Last updated: July 2, 2025
Being aware of the UV Index in Bizana, South Africa, is crucial for protecting your skin and overall health. Understanding the varying UV levels throughout the day can help you prevent sunburn and long-term skin damage, especially during the peak hours when exposure risks are highest. With a Cfb climate, Bizana typically experiences moderate temperatures, but that doesn't diminish the potential risks from UV rays. From late morning to early afternoon, the UV Index can reach levels of 4 to 5, making it essential for residents and visitors alike to stay informed and take appropriate sun safety measures when enjoying the beautiful outdoor scenery of Bizana.
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 | 1 | low | 45 min |
09:00 | 2 | low | 45 min |
10:00 | 3 | moderate | 30 min |
11:00 | 4 | moderate | 30 min |
12:00 | 5 | moderate | 30 min |
13:00 | 4 | moderate | 30 min |
14:00 | 3 | moderate | 30 min |
15:00 | 2 | low | 45 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 |
The UV Index experiences significant fluctuations throughout the year, with the highest levels recorded from January to March and again in November and December, all categorized as extreme with burn times ranging from 10 minutes. April sees a decline to a very high category (burn time 15 minutes), while May and August are classified as high, allowing for longer exposure of 25 minutes. From June to July, the UV Index falls to a moderate level (burn time 30 minutes) before increasing again in September to very high. As such, January, February, March, October, November, and December are particularly high-risk months for UV exposure. Visitors and residents are strongly advised to take precautions during these periods, utilizing sunscreen, wearing protective clothing, and limiting sun exposure, especially during peak hours to reduce the risk of skin damage.
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 |
Bizana | 15 | 14 | 12 | 9 | 6 | 4 | 5 | 7 | 10 | 12 | 13 | 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 |