Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Tonekabon, Iran, where UV levels can soar, particularly in the summer months. Awareness of these levels helps in preventing sunburn and safeguarding skin health, allowing individuals to enjoy the beautiful coastal climate safely. Tonekabon, characterized by its warm Mediterranean Csa climate, experiences peak UV levels reaching up to 11 around midday, highlighting the importance of sun protection. By keeping an eye on the UV Index, you can make informed choices to protect yourself and your loved ones from harmful UV radiation and ensure a healthier outdoor experience.
The UV Index throughout the day presents a dynamic profile, peaking at 11 between 12:00 PM and 1:00 PM, indicating a high risk of harm from unprotected sun exposure. Morning hours start off mild, with values of 1 at 7:00 AM, gradually climbing to 5 by 9:00 AM. As the sun rises higher, the index hits 10 at 11:00 AM, before maxing out at 11. The afternoon sees a slight decline, dipping to 9 at 2:00 PM and continuing to fall, settling at 3 by 5:00 PM. As the day winds down, UV levels drop, returning to 1 by 6:00 PM, reminding us to seek shade and stay protected during those peak midday 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 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tonekabon | 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 |