Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Brok, Poland, as it helps safeguard against the harmful effects of ultraviolet radiation. With a climate classified as Dfb, Brok experiences distinct seasonal variations, making it essential to monitor UV levels, especially during peak hours when the index can reach a high of 7. Awareness of these levels is vital for preventing sunburn and promoting overall skin health. By staying informed, you can enjoy the sun's warmth while minimizing risks and ensuring a healthier, more enjoyable outdoor experience.
The UV Index throughout the day showcases a noteworthy progression, peaking sharply during the midday hours. Starting at a modest 2 by 7:00 AM, the index steadily rises, reaching 4 by 9:00 AM. As the sun climbs higher, the intensity surges to a strong 7 from 11:00 AM to 2:00 PM, indicating a significant risk of harm from unprotected sun exposure. Thankfully, the levels taper off in the afternoon, dropping to 5 at 3:00 PM and settling back to 2 by 5:00 PM. Even as daylight wanes, the UV Index remains low, with values of 1 by 6:00 PM and 7:00 PM—ideal for evening outdoor activities. Remember to take precautions during the peak hours to enjoy the sun safely!
| 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 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | 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 |
Throughout the year, the UV Index experiences significant seasonal variations. From January to February, the UV Index remains low (1-2), allowing for safe outdoor activities with a burn time of approximately 45 minutes. As spring approaches, March and April see a rise to moderate levels (4-5), with a reduced burn time of 30 minutes, indicating a need for protective measures. The transition into late spring and summer brings higher risk months: May and June (UV Index 6-7, burn time 25 minutes) and the peak in July at 8, classified as very high, where incidents of sunburn can occur rapidly within 15 minutes. August sees a slight decline to a high rating (7), followed by a return to moderate levels from September to October (UV Index 5-3, burn time 30 minutes). Finally, winter months return to low UV exposure (2-1, burn time 45 minutes) from November to December. Residents and visitors are strongly advised to take caution during the high-risk summer months—especially in July—by applying sunscreen, wearing protective clothing, and minimizing sun exposure during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brok | 1 | 2 | 4 | 5 | 6 | 7 | 8 | 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 |