Last updated: May 3, 2025
In Nashtarud, Iran, awareness of the UV Index is crucial for protecting your skin from harmful ultraviolet rays. Understanding the daily UV levels helps residents and visitors alike prevent sunburn and long-term skin health issues. With a Csa climate, Nashtarud experiences significant sun exposure, particularly during the peak hours of 10:00 AM to 2:00 PM, when UV Index values soar to 12—indicating an extreme risk of harm from unprotected sun exposure. Staying informed allows you to enjoy the beautiful outdoors safely while taking necessary precautions!
The UV Index throughout the day reveals a notable peak of intensity around midday. Starting from a gentle 1 at 07:00, the index rises gradually to reach 3 by 08:00. As the sun climbs higher, things heat up quickly, with values soaring to 5 at 09:00 and then sharply escalating to a maximum of 12 by 12:00. This potent level of UV exposure is sustained until 13:00, when it slightly dips to 11. The afternoon brings a gradual decline, with readings of 10 at 14:00, 7 at 15:00, and slipping further to 5 at 16:00. As the sun begins to set, the UV Index dwindles back down to 2 at 17:00 and settles at a safer 1 by 18:00 and 19:00. It's a clear reminder 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 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | 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 |
Throughout the year, the UV Index exhibits significant seasonal variation, peaking during the warmer months. From January to April, the index ranges between 4 to 9, indicating a moderate to very high exposure category, with burn times decreasing from 30 minutes to 15 minutes. May and June represent the high-risk period, with UV indices reaching extreme levels of 12 and 11, significantly lowering burn times to just 10 minutes. July and August maintain a very high index of 10, while the risk slightly diminishes in September to 9. As temperatures drop in October, the index lowers again to 7 (high), and further decreases to 3 and 4 in November and December (moderate). Visitors and residents are advised to take extra precautions during the high-risk months of May to September—wearing sunscreen, protective clothing, and limiting sun exposure during peak hours to reduce the risk of sunburn.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nashtarud | 4 | 5 | 9 | 8 | 12 | 11 | 10 | 10 | 9 | 7 | 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 |