Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Deneysville, South Africa, as it plays a significant role in safeguarding skin health and preventing sunburn. This picturesque town, characterized by its Cwb climate, experiences varied UV exposure throughout the day, peaking at a UV Index of 7 around noon. Being aware of these UV levels helps you take essential precautions during those high-risk hours, ensuring that you can enjoy the outdoors safely while minimizing potential damage from harmful UV rays. So, stay informed and keep your skin protected in the beautiful landscapes of Deneysville!
As the sun rises, the UV Index remains low at 1 from 07:00 to 08:00, offering a gentle start to the day. However, as the hours progress, the intensity increases, reaching 3 by 09:00 and peaking at 7 between 11:00 and 13:00. This midday surge signifies the sun's powerful rays, urging everyone to take precautions for skin protection. As the afternoon wanes, the UV Index begins to decline, dropping to 5 at 14:00, and further decreasing to 3 by 15:00. The evening brings relief, with the index falling to 1 by 16:00 and 0 from 18:00 onward. Embrace the early hours for outdoor activities, but stay vigilant during lunchtime when the sun is at its strongest!
| 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 | 7 | high | 25 min |
| 12:00 | 7 | high | 25 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, seasonal UV changes display notable fluctuations, with January and February typically experiencing the highest UV Index values at 15, categorized as extreme, where the burn time is only 10 minutes. The risk remains elevated in March and April, though slightly lower at 13 and 11, respectively. A shift occurs in May, when the UV Index drops to 7, moving into the high category, allowing for a longer burn time of 25 minutes. June and July maintain a similar risk level, but August sees an increase to 8, categorized as very high, with a reduced burn time of 15 minutes. As the year progresses, September and October return to an extreme exposure level at 11 and 12, while November and December peak again at 14 and 16, respectively. Visitors and residents should exercise extra caution during the high-risk months of January, February, September, October, November, and December, taking protective measures such as wearing sunscreen, hats, and sunglasses to mitigate UV exposure 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 |
| Deneysville | 15 | 15 | 13 | 11 | 7 | 6 | 6 | 8 | 11 | 12 | 14 | 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 |