Last updated: June 2, 2025
In the sun-kissed landscape of Masiri, Iran, understanding the UV Index is crucial for protecting your skin and overall health. With its BSk climate, this region experiences varying levels of ultraviolet radiation throughout the day, peaking at an intense UV index of 13 around noon. Being aware of these levels can help residents and visitors alike safeguard against harmful sunburns and long-term skin damage. By monitoring the UV Index, you can enjoy the outdoors while taking essential precautions to maintain your skin's health, especially during those high-risk hours when the sun is at its strongest.
The UV Index exhibits a striking pattern throughout the day, peaking significantly between 11:00 AM and 1:00 PM, with a maximum value of 13 at 12:00 PM. As the morning unfolds, the index rises from a mild 1 at 7:00 AM to a moderate 6 by 9:00 AM, indicating a potential for increased sun exposure. By 10:00 AM, sun seekers encounter a notable intensity as it reaches 9. Post-peak, the index gradually declines, dropping to 9 at 3:00 PM, and gently falling back to 1 by 6:00 PM, suggesting that safe sun practices should be a priority especially during those higher hours. Overall, this UV trajectory highlights the importance of sun safety measures during peak hours for health-conscious individuals.
| 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 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 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, UV Index levels exhibit seasonal variations that reflect the risks associated with sun exposure. The high-risk months are predominantly from February to September, where the UV Index reaches extreme levels of 11 and above, particularly peaking in May at 14. During these months, the burn time decreases sharply to just 10 minutes. Visitors and residents are strongly advised to take precautions during these periods, such as wearing protective clothing, applying sunscreen with a high SPF, and seeking shade during peak hours. As the year progresses towards winter, October and November see lowered UV levels; however, caution is still recommended, especially in early months like February and March, when the Index starts to rise again.
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 |
| Masiri | 6 | 8 | 11 | 12 | 14 | 13 | 13 | 12 | 11 | 9 | 7 | 5 |