Last updated: July 2, 2025
Understanding the UV Index in Ostrow Mazowiecka is crucial for safeguarding your skin against the harmful effects of ultraviolet radiation. With peak UV levels reaching up to 8 during midday, being aware of these fluctuations helps prevent sunburn and maintains long-term skin health. Ostrow Mazowiecka, located in a Dfb climate zone, experiences varied sunlight exposure, particularly in the summer months. By keeping an eye on the UV Index, you can enjoy the beautiful weather while taking the necessary precautions to protect yourself from excessive UV exposure. Stay informed and make your sun-soaked days safer!
The UV Index data reveals a dynamic and engaging sun exposure experience throughout the day. Starting at 7:00 AM, the index gradually rises from 2, signaling mild solar intensity. By 9:00 AM, it reaches 4, perfect for a morning walk under the sun. The peak occurs around 12:00 PM and 1:00 PM, where it hits a high of 8, indicating that sunscreen and shade are essential. As the afternoon progresses, the index slips to 7 at 2:00 PM and further down to 5 by 3:00 PM, before gradually declining to 1 by 6:00 PM. This fluctuation not only emphasizes the need to be sun-safe during the peak hours but also encourages outdoor enjoyment as the day cools down.
| 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 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ostrow Mazowiecka | 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 |