Last updated: June 2, 2025
Understanding the UV Index in Mount Ayliff is crucial for ensuring your skin remains healthy and protected from the sun's harmful rays. Awareness of UV levels not only helps prevent painful sunburn but also plays a significant role in long-term skin health. Nestled in a Cfb climate zone, Mount Ayliff experiences varying UV exposure throughout the day, with peak levels reaching 5 around noon. By staying informed about the UV Index, you can enjoy the beautiful outdoors while safeguarding your skin from potential damage.
The UV Index throughout the day shows a steady rise in intensity, peaking at 12:00 PM with a value of 5—a clear indicator for sun protection. Mornings start off gentle with an index of 1 at 07:00 and 08:00, climbing to 2 by 09:00. As the sun reaches its zenith, the index increases to 3 at 10:00 and escalates to 4 by 11:00. However, the intensity peaks at 12:00 PM before gradually declining in the afternoon; it slips back to 4 at 1:00 PM, then 3 at 2:00 PM, 2 at 3:00 PM, and finally returns to a safer 1 by 4:00 PM. By 5:00 PM, the UV exposure is negligible at 0, allowing for a safe evening outside. Keeping an eye on these UV levels can ensure you enjoy the sunshine while staying protected!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 2 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 0 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index experiences significant fluctuations throughout the year, with January, February, March, October, November, and December classified as high-risk months due to their extreme exposure category and a burn time of only 10 minutes. As the year progresses, the UV Index decreases from 15 in the winter months to a low of 5 during June and July, where exposure is considered moderate. However, the risk increases again in August and September, with indices reaching 7 and 10, respectively. Residents and visitors should be especially cautious during the extreme months, applying sunscreen frequently, wearing protective clothing, and seeking shade to minimize skin damage. Even during moderate months, it’s advisable to stay aware of UV levels and take protective measures when spending extended time outdoors.
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 |
| Mount Ayliff | 15 | 15 | 13 | 9 | 6 | 5 | 5 | 7 | 10 | 12 | 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 |