Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Melmoth, South Africa, where the climate can lead to heightened sun exposure. As the sun rises higher during the day, UV levels can reach their peak around noon, making it essential to be aware of these fluctuations to prevent sunburn and protect skin health. With Melmoth's Cfa climate, characterized by warm summers and mild winters, the risk of UV radiation is ever-present, especially during those midday hours when the UV Index often hits 5— a level of moderate concern. By staying informed about local UV levels, you can enjoy the sunny days while safeguarding your skin effectively.
The UV Index for today reveals a dynamic day filled with fluctuating sun exposure. Early morning hours start off mild, with levels at 1 from 07:00 to 08:00, ideal for gentle outdoor activities. As the sun climbs, the index rises to 2 by 09:00 and peaks at 5 between 11:00 and 13:00, signaling a strong need for sunscreen and protective gear during midday. Fortunately, the intensity begins to dip after 14:00, descending back to 3 and eventually settling at 1 by late afternoon. As twilight approaches, the UV Index falls to 0, providing a safe window for evening strolls. Remember to stay protected when the sun is at its strongest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | 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 |
The UV Index shows significant seasonal variation, with extreme levels persisting from January to March and then reappearing in October to December. During these months, the UV Index peaks at 15 in January and decreases to 14 in December, each associated with a burn time of just 10 minutes. April and September also present very high risk with indices of 9 and 10, respectively, allowing slightly longer burn times of 15 minutes. Conversely, May sees a reduction to a high risk of 6, permitting 25 minutes of safe exposure, while June and July feature moderate levels with indices of 5 and a burn time of 30 minutes. As summer transitions to fall, visitors and residents should take extra precautions between January and March and again from October to December when UV exposure is most extreme. It's essential to apply sunscreen, wear protective clothing, and seek shade during peak hours to minimize 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 |
| Melmoth | 15 | 14 | 12 | 9 | 6 | 5 | 5 | 7 | 10 | 12 | 13 | 14 |
| 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 |