UV Index in Irkutsk, Russian Federation

Last updated: June 2, 2025

In Irkutsk, Russian Federation, understanding the UV Index is crucial for safeguarding your skin against the sun's harmful effects. With UV levels peaking between 11 AM to 3 PM—reaching as high as 8—being aware of these fluctuations can help you prevent sunburn and maintain long-term skin health. Irkutsk's Dwb climate brings varying solar intensity, making it essential to monitor UV exposure, especially during the summer months. Embrace the outdoors while taking proactive steps to protect yourself from UV damage, ensuring a healthy and enjoyable experience under the sun!

Hourly UV Index in Irkutsk

As the sun rises, the UV Index gradually climbs, showcasing its intensity throughout the day. At 07:00, it starts at a mild 1, but by 09:00, it picks up pace, reaching 3. The peak occurs at 12:00, hitting a solid 7. From 13:00 to 14:00, the index reaches its zenith at 8, warning us to take precautions under the midday sun. As the afternoon rolls on, the UV intensity drops steadily—dipping to 6 by 15:00, then falling further to 5 by 16:00. The evening brings more relief, with readings returning to 1 by 19:00. Be mindful of the sun’s powerful reach, especially during its peak hours!

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
08:002low45 min
09:003moderate30 min
10:005moderate30 min
11:006high25 min
12:007high25 min
13:008very high15 min
14:007high25 min
15:006high25 min
16:005moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Irkutsk

Throughout the year, UV radiation levels fluctuate significantly, necessitating varying levels of sun protection. From January to February, the UV Index remains low (1-2), allowing for extended exposure times without burning, approximately 45 minutes. However, as spring approaches, the UV Index rises, reaching moderate levels (4-5) in March and April, where 30-minute burn times apply. The summer months of May through July present the highest risk, with UV Index values peaking at 8 and very high exposure categories, meaning that unprotected skin can burn in just 15 minutes. August sees a slight decrease, but still maintains a high UV Index of 7, with a burn time of 25 minutes. In contrast, September to October return to moderate levels, allowing for 30-minute safe exposure, while November and December drop back down to low levels (1-2) with burn times of 45 minutes. Visitors and residents are strongly advised to take precautions during the high-risk months of May through July, utilizing sunscreen, protective clothing, and seeking shade to minimize UV exposure and safeguard skin health.

Monthly Maximum UV Index for Irkutsk, Russian Federation

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Irkutsk. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Statistical UV Index data for Irkutsk, 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 Irkutsk UV Index with Other Russian Federation Cities

The table above highlights how UV exposure in Irkutsk compares to other major locations across Russian Federation. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Irkutsk's solar exposure compared to other cities in Russian Federation. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Saint Petersburg UVI123457754211
Nizhniy Novgorod UVI124567765311
Yekaterinburg UVI124567765311
Moscow UVI124567765321
Novosibirsk UVI124577665311
Irkutsk124578875321