Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Himeville, South Africa, where the Cwb climate provides both beauty and potential danger under the sun. As UV levels can reach a moderate peak of 5 between 11:00 AM and 1:00 PM, being aware of these fluctuations is essential for sunburn prevention and maintaining long-term skin health. With increased risks during midday hours, Himeville residents should take proactive measures to shield themselves from harmful rays while enjoying the town's outdoor lifestyle. Stay informed, stay protected, and make the most of South Africa's stunning sunshine!
Starting your day early has its perks, as the UV Index remains quite low—hovering between 1 and 2 from 07:00 to 09:00. However, as the sun rises higher, expect a noticeable increase in UV exposure. By 11:00, the index peaks at a robust 5, indicating a need for protection, especially around midday when it stays elevated at 5 until 13:00. Post-noon, the index begins to taper off, dropping back to 4 by 14:00 and down to 1 as evening approaches from 16:00 onward, where it finally settles at 0 by 18:00. To enjoy your day safely, consider applying sunscreen during the 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 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 7 | 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 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 |