Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Rumia, Poland, especially as the region's Cfb climate fosters a unique combination of sun exposure and humidity. By being aware of UV levels throughout the day, individuals can take proactive measures to prevent sunburn and protect their skin health. With peak UV measurements reaching as high as 6 during midday hours, understanding these fluctuations empowers the community to enjoy outdoor activities safely while minimizing the risks associated with harmful UV radiation. Whether you're spending a sunny afternoon at the park or simply walking to the store, staying informed about the UV Index is key to maintaining your well-being in Rumia.
The UV Index throughout the day shows a clear rise and fall, reflecting the sun's intensity during daylight hours. Starting at a mild 1 at 7:00 AM, the index gradually climbs to reach a peak of 6 between 12:00 PM and 2:00 PM, making it essential for outdoor enthusiasts to stay protected during this time. Following this zenith, the index begins to taper off, dipping to 5 at 3:00 PM and descending further to a gentle 1 by 7:00 PM. This pattern underscores the importance of sunscreen and protective clothing during midday hours when UV exposure is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels exhibit notable fluctuations, marking a clear seasonal trend. From January to February, the UV Index remains low (1-2), with a generous burn time of 45 minutes, allowing for safe outdoor activities. However, as spring approaches in March and April, the UV Index rises to moderate levels (4-5), reducing burn time to 30 minutes. The risk intensifies during the summer months of May through August, where UV Index values peak at 6-7 and burn time shrinks to 25 minutes, indicating high-risk conditions for prolonged sun exposure. The transition back to lower levels occurs in September and October, where the UV Index falls to moderate (3-5) with burn times returning to 30 minutes. By November and December, the UV Index dips back to low levels (1), providing a safe burn time of 45 minutes once again. Visitors and residents are advised to take necessary precautions, especially during the high-risk months of May through August, by utilizing sunscreen, wearing protective clothing, and seeking shade to prevent skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rumia | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 1 | 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 |