Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of As Sulayyil, Saudi Arabia. As this region experiences a BWh climate, the sun's intense rays can pose significant risks, particularly during the peak hours when UV levels soar to dangerous highs—reaching up to 12 at noon. Awareness of the UV Index not only aids in sunburn prevention, but it also plays a vital role in maintaining overall skin health. By keeping an eye on UV levels, you can enjoy the beautiful weather while protecting yourself from the harmful effects of excessive sun exposure. Stay informed and stay safe!
The UV Index throughout the day presents a dramatic curve of sun intensity, peaking spectacularly at 12 during the midday hours. Starting at a mild 1 at 07:00, the index climbs steadily, reaching 3 by 08:00. As the sun rises higher, the intensity escalates, hitting 6 at 09:00 and soaring to 8 by 10:00. The pinnacle of UV exposure occurs between 11:00 and 13:00, with an impressive high of 11 at 11:00 and 12 at noon. Following this zenith, the numbers gracefully dip to 8 at 14:00, then gradually taper off, descending to 5 by 15:00 and further down to 1 by 17:00. As the evening approaches, the UV Index turns gentle, resting at 0 by 19:00, signaling the end of a sun-soaked day. Always remember to protect your skin during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal variations, with the highest values occurring from March to September. During these months, particularly from April to May when the index peaks at 13, the risk of skin damage is at its extreme, and burn time drops to just 10 minutes. February also has a notably high UV index of 10, signaling a need for caution as winter transitions to spring. October, while slightly lower at 10, still poses a high risk. For those visiting or residing in the area, it is crucial to take precautions during these high-risk months by wearing sunscreen, protective clothing, and seeking shade to minimize UV exposure. As the UV Index decreases towards the winter months of November to January, with levels falling back to 8 and a longer burn time of 15 minutes, it remains advisable to stay vigilant about sun protection year-round.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Riyadh UVI | 7 | 8 | 10 | 10 | 12 | 11 | 11 | 10 | 11 | 9 | 7 | 6 |
| Mecca UVI | 8 | 9 | 11 | 12 | 13 | 11 | 11 | 11 | 10 | 10 | 8 | 7 |
| Jeddah UVI | 8 | 9 | 11 | 12 | 13 | 11 | 11 | 11 | 10 | 10 | 8 | 6 |
| Sultanah UVI | 7 | 9 | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 9 | 8 | 6 |
| Medina UVI | 7 | 9 | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 9 | 8 | 6 |
| As Sulayyil | 8 | 10 | 12 | 12 | 13 | 12 | 12 | 11 | 11 | 10 | 8 | 8 |