Last updated: June 2, 2025
In Nowshahr, Iran, being aware of the UV Index is crucial for safeguarding your skin against the sun's harmful rays. Understanding UV levels can help you prevent sunburn and protect your skin health, especially under the intense sun typical of this Csa climate zone. With UV indexes soaring to a maximum of 10 during midday hours, residents and visitors alike should take heed of the risks associated with high UV exposure. By staying informed, you can enjoy the beautiful coastal environment while keeping your skin safe and healthy.
As the sun rises, the UV Index begins to escalate, peaking dramatically around midday. At 07:00, it's a modest 1, but by 08:00, it climbs to 3, signaling the start of a brighter day. The sun's intensity continues to rise swiftly, hitting 5 by 09:00 and reaching a scorching 10 between 12:00 and 13:00—a crucial time for sun safety awareness. As the afternoon wears on, the index begins to dip, dropping to 9 at 14:00 and gradually falling to 6, 4, and eventually down to 2 by 17:00, before settling back to 1 as the sun sets at 19:00. It's a day that showcases the importance of protecting your skin during 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 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nowshahr | 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 |