Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Rudan, Iran, as it directly impacts skin health and sunburn prevention. With a climate classified as BWh, Rudan experiences intense sunlight, especially during the peak hours when the UV Index can soar to 13. This means that without proper protection, prolonged exposure can lead to serious skin damage. By staying informed about daily UV levels, locals can take the necessary precautions to enjoy the warm climate while safeguarding their skin from harmful radiation.
As the sun rises and warms the day, the UV Index begins its ascent. At 7:00 AM, it starts at a mild 1, making it a safe time to be outdoors. By 8:00 AM, it climbs to 3, suggesting increased caution. The intensity peaks sharply at 10:00 AM with a striking 10, indicating a high risk of harm from unprotected sun exposure. The day reaches its zenith at 12:00 PM with an intense 13, where protective measures are essential. The UV levels begin to taper off after 1:00 PM, dropping to 10 by 2:00 PM, then gradually decreasing to 4 by 4:00 PM. As sunset approaches, the UV Index continues to decline, falling to 1 by 6:00 PM and finally hitting 0 by 7:00 PM, signaling the end of a day marked by a significant solar influence. Remember, staying protected during peak hours is key for your skin health!
| 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 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 10 | 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 | 0 | low | 45 min |
The UV index shows a significant rise in ultraviolet radiation from January through August, peaking with an extreme UV index of 13 in May and July, where the recommended burn time is only 10 minutes. High-risk months for sun exposure include March through September, each registering an extreme or very high rating that necessitates caution. In contrast, the UV exposure lessens towards the end of the year, with November and December indicating high and moderate levels, respectively. Visitors and residents are advised to take protective measures, especially during high-risk months, such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours to reduce the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Rudan | 6 | 7 | 11 | 11 | 13 | 12 | 13 | 11 | 11 | 9 | 6 | 5 |