Last updated: June 2, 2025
In Bialystok, Poland, staying informed about the UV Index is crucial for safeguarding your skin and health. Understanding UV levels helps prevent sunburn and long-term skin damage, especially during the peak hours of sunlight. The city experiences a Dfb climate, with significant UV exposure risks peaking around noon, where the index can soar to 8. Being aware of daily UV fluctuations allows residents and visitors alike to enjoy the beautiful outdoors while protecting themselves against harmful rays.
The UV Index today begins modestly, peaking at 2 by 7:00 AM and steadily rising to reach its zenith of 8 at 12:00 PM. Observers should take note as it climbs to 6 by 10:00 AM and hits a sharp 7 at 11:00 AM, signaling the height of midday sun intensity. As the afternoon unfolds, the index gradually declines, dropping to 6 at 2:00 PM, followed by a gentle descent to 5 at 3:00 PM. By 4:00 PM, the UV Index recedes to 4, before settling at 2 by 5:00 PM, and continuing to cool off as it ends the day at 1 by 6:00 PM. Remember, during peak hours, typically between 10:00 AM and 2:00 PM, to apply sunscreen and seek shade to protect against harmful UV rays!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons transition, the UV Index experiences notable fluctuations, peaking during the summer months. January and February present low risk with a UV Index of 1 and 2, allowing for extended exposure without significant concern. However, from March to August, the risk escalates, with high to very high levels in May (UV Index 6) and June (UV Index 8), making these the highest-risk months for UV exposure. Visitors and residents alike should take precautions during this period, especially in June, where the burn time decreases to just 15 minutes. Meanwhile, September and October see a decline back to the moderate category, while November and December return to low risk, presenting safer conditions for prolonged outdoor activities. It's essential to stay informed and practice sun safety, particularly from March through August, by wearing sunscreen, protective clothing, and seeking shade when necessary.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bialystok | 1 | 2 | 4 | 5 | 6 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |
| Warsaw UVI | 1 | 2 | 4 | 5 | 6 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Poznan UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 |
| Lodz UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 |
| Wroclaw UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 |
| Krakow UVI | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |