Last updated: June 2, 2025
Understanding the UV Index in Hat, Czech Republic is crucial for protecting your skin and overall health. With the region's Cfb climate, residents and visitors alike should be aware of varying UV levels throughout the day, especially since they can soar as high as 8 during midday hours. Being informed about UV intensity not only helps prevent sunburn but also contributes to long-term skin health. As sunlight exposure increases in the peak hours from 10 AM to 2 PM, understanding these levels becomes essential for safe outdoor activities and optimal sun protection measures. Embrace the sun wisely!
As the day unfolds, the UV Index rises steadily, peaking at 8 during midday hours, specifically at noon and 1 PM. This indicates a higher risk of harm from unprotected sun exposure, making it essential to take precautions during these hours. Starting the morning with a mild 1 at 7 AM, the UV Index climbs to 2 by 8 AM, gradually intensifying as it reaches 4 at 9 AM, and 6 at 10 AM. The intensity continues to soar as we approach noon, with 7 at 11 AM, before hitting that critical 8. As the afternoon progresses, there’s a gradual decline, with levels decreasing to 7 at 2 PM, then to 6 at 3 PM, and finally dipping to 3 by 5 PM. By evening, the UV Index settles back down to 2 at 6 PM and ultimately returns to a safe 1 by 7 PM, signaling a day of fluctuating sun exposure risks, highlighting the importance of sun safety throughout the hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 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 | 6 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal variations, with peak levels typically occurring during the summer months. January and February have low UV ratings (Index 2), allowing for relatively prolonged exposure without risk of burning (45 minutes). As spring approaches, March (Index 4) and April (Index 5) see a shift to moderate levels, reducing safe exposure times to 30 minutes. The high-risk months are May through August, where the UV Index reaches its highest points—7 to 8—requiring caution with burn times of just 15-25 minutes. September remains a high-risk month (Index 6) before it tapers back to moderate values in October (Index 4). By November and December, UV exposure risks reduce significantly. Residents and visitors are advised to stay vigilant during peak UV months, wearing protective clothing and sunscreen, especially between late spring and summer, to safeguard against skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hat | 2 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Prague UVI | 2 | 3 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Ostrava UVI | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Olomouc UVI | 2 | 3 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 2 |
| Pilsen UVI | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Brno UVI | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 2 |