UV Index in Warsaw, Poland

Last updated: May 3, 2025

Being aware of the UV Index in Warsaw, Poland, is crucial for maintaining skin health and preventing sunburn, especially during the bright summer months. Understanding the levels of ultraviolet radiation can empower residents and visitors to take necessary precautions, ensuring safe outdoor experiences. Warsaw, with its temperate maritime climate, sees varying UV exposure throughout the day, peaking around midday with indices reaching up to 6. By staying informed about UV levels, you can better protect yourself and enjoy all that this vibrant city has to offer while minimizing the risk of skin damage.

Hourly UV Index in Warsaw

The UV Index today begins its journey softly at 07:00 with a reading of 1, signaling a gentle start to the day. As the sun climbs higher, the intensity quickly rises, peaking at 6 between 11:00 and 14:00, indicating a time when sun protection is essential. Following this midday zenith, the index gracefully drops back to 5 by 15:00 and gradually decreases to 1 by 19:00, allowing for a more comfortable end to the day. With these fluctuations, it’s important to stay mindful of UV exposure, particularly during the midday hours when the sun is the strongest. Always remember to apply sunscreen and seek shade as needed!

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
12:006high25 min
13:006high25 min
14:006high25 min
15:005moderate30 min
16:003moderate30 min
17:002low45 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Warsaw

Throughout the year, the UV Index exhibits notable seasonal changes that reflect shifts in sun exposure. January and February are considered low risk months, with an index of 1-2 and a burn time of 45 minutes. However, as spring approaches, March and April move into the moderate category with an index of 4-5 and a decreased burn time of 30 minutes. The risk escalates significantly in May and June, reaching high (UV Index 6) and very high levels (UV Index 8), with just 15 minutes of unprotected exposure leading to potential skin damage. July continues this trend with similar UV intensity. In August, the index slightly lowers to 7, but still maintains a high risk level. The fall months of September and October see a return to moderate conditions with still significant burn times of 30 minutes. Finally, November and December again present low risk, echoing the start of the year. To ensure safety, it is essential for visitors and residents to be vigilant, especially during the high-risk months of May through August, by using sun protection measures like sunscreen, hats, and protective clothing when outdoors.

Monthly Maximum UV Index for Warsaw, Poland

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Warsaw. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124568875321
Data source: Statistical UV Index data for Warsaw, 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 Warsaw UV Index with Other Poland Cities

The table above highlights how UV exposure in Warsaw compares to other major locations across Poland. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Warsaw's solar exposure compared to other cities in Poland. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Warsaw124568875321
Poznan UVI124578876321
Lodz UVI124578876321
Wroclaw UVI124578876321
Krakow UVI224678876421