UV Index in Isfahan, Iran

Last updated: June 2, 2025

Understanding the UV Index in Isfahan, Iran, is crucial for maintaining optimal skin health and preventing sunburn. With its BSk climate, Isfahan experiences intense sunlight, especially during the summer months, when UV levels can soar to dangerous heights—peaking at 13 around midday. By being aware of UV Index fluctuations throughout the day, residents and visitors can take proactive measures to protect themselves from harmful UV radiation. Whether you’re exploring the stunning historic sites or enjoying the vibrant local culture, knowing when to seek shade or apply sunscreen is key to enjoying Isfahan safely under the sun.

Hourly UV Index in Isfahan

At 07:00 AM, the UV Index starts off low at 1, making it a safe time for early risers. As the sun ascends, the index rises steadily, reaching 3 by 08:00 AM. By 09:00 AM, it climbs to 6, indicating that sun protection becomes increasingly important. The real surge occurs from 10:00 AM to 12:00 PM, where the UV Index peaks significantly at 9 and then hits its maximum of 13 at 12:00 PM—a crucial window for being mindful of sun exposure. The intensity begins to taper off after 13:00 PM, dropping to 11 at 14:00 PM, and further declining to 8 by 15:00 PM. As the day winds down, the UV index falls to 5 at 16:00 PM, then further dwindles to 3 by 17:00 PM, and returns to a safe 1 by 18:00 PM, finally settling at 1 again by 19:00 PM. For those spending time outdoors, it's vital to take precautions during the peak hours when the UV Index is at its highest!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:001low45 min
08:003moderate30 min
09:006high25 min
10:009very high15 min
11:0012extreme10 min
12:0013extreme10 min
13:0013extreme10 min
14:0011extreme10 min
15:008very high15 min
16:005moderate30 min
17:003moderate30 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Isfahan

The UV Index exhibits significant seasonal variation, with the highest levels occurring from April to August. During this peak period, specifically in May and June, the UV Index reaches a maximum of 13, categorized as extreme, indicating a burn time of only 10 minutes. Notably high-risk months for UV exposure include March through October, where proactive sun protection is essential. Visitors and residents should be particularly vigilant during these months, seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly to reduce the risk of skin damage. As the UV levels decline in November and December, with indices dropping to a moderate level of 4, caution is still advised during sunny days. Remember, UV exposure can lead to long-term skin damage, so it's crucial to stay informed and protect yourself year-round.

Monthly Maximum UV Index for Isfahan, Iran

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Isfahan. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec5710101313121110854
Data source: Statistical UV Index data for Isfahan, based on information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Compare Isfahan UV Index with Other Iran Cities

The table above highlights how UV exposure in Isfahan compares to other major locations across Iran. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Isfahan's solar exposure compared to other cities in Iran. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Karaj UVI45891212111010743
Mashhad UVI458101212121110743
Tehran UVI46891312111010753
Tabriz UVI45910121212119743
Isfahan5710101313121110964