Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Himeville, South Africa, especially given the area's unique climatic conditions. With its Cwb climate, Himeville experiences varying UV levels throughout the day, peaking around midday when the index can reach 7, indicating a high risk of harm from unprotected sun exposure. By being aware of these UV levels, you can effectively prevent sunburn and protect your skin health, allowing you to enjoy the outdoors while safeguarding yourself against potential damage caused by harmful ultraviolet rays. Stay informed and prioritize sun safety to make the most of Himeville's beautiful sunny days!
The UV Index reveals an early morning reprieve, starting at a gentle 1 at 7:00 AM and remaining low through 9:00 AM. However, as the sun climbs, intensity increases sharply, peaking at a 7 around noon, signaling the most potent UV exposure of the day. The early afternoon maintains a respectable UV level of 6 at 1:00 PM before gradually tapering off. By mid-afternoon, it drops to 4, then swiftly declines to 1 by 4:00 PM, and finally settles at 0 by 6:00 PM, marking the day's end for UV concern. This hourly trend underscores the importance of sun safety during peak hours, especially between 10 AM and 2 PM.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 4 | 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 |
Throughout the year, the UV Index exhibits significant seasonal variations, with extreme levels observed from January to March and again in September, October, and November. The highest UV Index recorded is 17 in December, emphasizing a persistent risk for sunburn with a burn time of just 10 minutes. The transition into April sees a decrease to a very high category (UV Index 10), allowing for slightly longer exposure of 15 minutes. As summer approaches, the UV Index decreases to moderate in June and July (UV Index 5), before rising again to very high in August (UV Index 8). Visitors and residents are advised to take necessary precautions, especially during high-risk months (January, February, March, September, October, November) when the risk of harm from unprotected sun exposure is at its peak. Always ensure to wear protective clothing, apply sunscreen, and seek shade during peak hours to mitigate these risks effectively.
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 |
| Himeville | 16 | 15 | 13 | 10 | 7 | 5 | 5 | 8 | 11 | 12 | 14 | 17 |
| 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 |