Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Jongiyeh, Iran, where the sun's rays can be particularly intense. Monitoring UV levels not only aids in preventing sunburn but also plays a vital role in maintaining long-term skin health. In this BSh climate zone, Jongiyeh experiences significant UV exposure, especially during midday hours when the index peaks at 11. By staying informed about the UV Index, you can take the necessary precautions to protect yourself and enjoy the sun safely.
The UV Index throughout the day paints a vivid picture of the sun's intensity. At 7:00 AM, the day begins with a gentle UVI of 1, making it safe for early risers. By 8:00 AM, it ticks up to 2, still in the low range. As the sun climbs higher, the index jumps to 4 at 9:00 AM, indicating a moderate level of UV radiation. The peak arrives at 12:00 PM and 1:00 PM, where the index soars to an alarming 11, highlighting the need for sun protection during these hours. Fortunately, as the afternoon progresses, the levels start to decline, dropping to 10 by 2:00 PM and then to 7 and 5 through 3:00 PM and 4:00 PM. By 5:00 PM, it settles back to 2, and by 6:00 PM, a return to the safer 1 concludes a day dominated by high UV intensity. Remember, at high levels, sun safety is vital!
| 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 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | 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 in the late spring and early summer months. From January (UV Index 5, moderate risk) to February (UV Index 6, high risk), the UV levels steadily increase. A significant rise occurs in March and April (both at UV Index 9, very high risk), leading to May and June, which boast an extreme UV Index of 11. The highest risk months are May and June, where the burn time is only 10 minutes. Although July and August see a slight decrease in index values (UV Index 10 and 9, respectively), the risk remains very high. As autumn approaches, UV levels gradually decline, with October seeing a UV Index of 7 (high risk), before returning to more moderate levels in November (5) and December (4). Visitors and residents are advised to take precautions, especially during the high-risk months of March through October. Wearing sunscreen, protective clothing, and seeking shade during peak sun hours can help minimize the harmful effects of UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jongiyeh | 5 | 6 | 9 | 9 | 11 | 11 | 10 | 9 | 9 | 7 | 5 | 4 |
| 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 |