Last updated: May 3, 2025
Understanding the UV Index is essential for residents and visitors of Juybar, Iran, where the Csa climate brings sunny days and higher levels of ultraviolet radiation. Being aware of UV levels helps prevent sunburns and promotes long-term skin health, ensuring that you enjoy the beautiful outdoors without the harmful effects of excessive sun exposure. With daily peaks reaching 11 at noon, understanding the fluctuating UV index throughout the day is vital for recognizing the risks associated with sun exposure in this region. Protect your skin and stay informed to make the most of Juybar's sunny climate!
At sunrise, the UV Index starts low at 1, gradually increasing to 3 by 8:00 AM. As the day progresses, the sun’s intensity peaks at 12:00 PM with an impressive 11, signaling that midday is when UV exposure is at its highest. Shortly thereafter, the index slightly declines to 10 at 1:00 PM, before tapering off through the afternoon: 9 at 2:00 PM, 7 at 3:00 PM, and dropping to 4 by 4:00 PM. As evening approaches, the UV Index diminishes to 2 at 5:00 PM and finally returns to its morning levels of 1 by 6:00 PM, showcasing the natural ebb and flow of sunlight throughout the day. Be sure to protect your skin during peak hours between 11:00 AM and 1:00 PM!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits notable seasonal changes, peaking during the summer months. January and February see moderate UV exposure with values of 3 and 4, allowing for a burn time of 30 minutes. However, starting in March, the risk escalates sharply with a UV Index of 7 (high), and by April, it reaches 8 (very high), reducing burn time to 15 minutes. The dangerous period peaks in May with an extreme UV Index of 11, signaling only 10 minutes of safe exposure. June and July maintain high UV intensity (10), while August and September remain very high (9 and 8, respectively), again enforcing a 15-minute burn time. As fall approaches, October sees a drop to 6 (high), extending burn time to 25 minutes, and November and December revert to moderate levels of 4 and 3, allowing for 30 minutes of exposure. Visitors and residents should exercise caution and protective measures—especially between April and September—by wearing sunscreen, hats, and protective clothing, and seeking shade during peak daylight hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Juybar | 3 | 4 | 7 | 8 | 11 | 10 | 10 | 9 | 8 | 6 | 4 | 3 |
| Karaj UVI | 4 | 5 | 8 | 9 | 12 | 12 | 11 | 10 | 10 | 7 | 4 | 3 |
| Mashhad UVI | 4 | 5 | 8 | 10 | 12 | 12 | 12 | 11 | 10 | 7 | 4 | 3 |
| Tehran UVI | 4 | 6 | 8 | 9 | 13 | 12 | 11 | 10 | 10 | 7 | 5 | 3 |
| Tabriz UVI | 4 | 5 | 9 | 10 | 12 | 12 | 12 | 11 | 9 | 7 | 4 | 3 |
| Isfahan UVI | 5 | 7 | 10 | 10 | 13 | 13 | 12 | 11 | 10 | 9 | 6 | 4 |