Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Empangeni, South Africa, where consistent exposure to sunlight poses significant risks to skin health. With temperatures typically falling within the Cfa climate zone, the UV levels can fluctuate throughout the day, peaking around midday. It's essential to be aware of these changes to prevent sunburn and long-term skin damage. During the hours of 11:00 to 12:00, for instance, the UV Index reaches a level of 5, indicating moderate risk; hence, taking protective measures during these times can make a considerable difference. By staying informed about UV conditions, you can enjoy the beautiful sunny days in Empangeni while prioritizing your skin's health.
The UV Index throughout the day exhibits a dynamic pattern, peaking at 5 during the late morning to early afternoon hours. Starting off with a low rating of 1 at 07:00 AM and 08:00 AM, the index rises steadily to 2 by 09:00 AM. As the sun climbs higher, it escalates to 3 at 10:00 AM and reaches its maximum of 5 at 11:00 AM and 12:00 PM, signaling the most intense UV exposure. By 01:00 PM, it begins to decline to 4, then 3 at 02:00 PM, and further decreases to 2 at 03:00 PM. As the day winds down, the UV Index drops back to 1 by 04:00 PM and stays there through the evening, finally slipping to 0 after 06:00 PM. Stay sun-smart and protect your skin during those peak hours!
| 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 experiences significant fluctuations, with January, February, March, October, November, and December marking the high-risk months for UV exposure, all registering an extreme level with a UV Index of 14 or 13 and a burn time of only 10 minutes. The spring sees a gradual decrease in UV levels, with April and May showing very high (8) and high (6) risk, respectively, while the summer months of June and July experience a moderate UV Index of 4 and 5, allowing for longer burn times of 30 minutes. As fall approaches, UV levels rise again, peaking at 9 in September, then dropping back to extreme levels in October and November. Visitors and residents are advised to remain vigilant in protecting themselves from UV radiation, especially during the high-risk months, by seeking shade, wearing appropriate clothing, and using sunscreen to minimize the risk of sunburn and long-term 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 |
| Empangeni | 14 | 14 | 12 | 8 | 6 | 4 | 5 | 7 | 9 | 11 | 13 | 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 |