Last updated: May 3, 2025
Understanding the UV Index in Trnava, Slovakia is essential for ensuring your skin's health and preventing sunburn. With its temperate oceanic climate, Trnava experiences varying UV exposure throughout the day, peaking around midday with values reaching as high as 8. Awareness of these levels helps residents and visitors protect themselves during those dangerously intense hours. Whether you're enjoying a sunny afternoon or participating in outdoor activities, keeping an eye on the UV Index can make a significant difference in safeguarding your skin against harmful effects. Stay informed and embrace the sun safely!
As the sun rises, the UV Index begins its gradual ascent, starting at a gentle 1 at 7:00 AM. By 8:00 AM, it climbs to a 2, hinting that it's time to apply some sunscreen. The day progresses, and by 10:00 AM, the index jumps to 5, reaching a peak of 8 at 1:00 PM—the ideal moment to seek shade or wear protective clothing. After this peak, the UV levels start to dip, falling to 6 at 3:00 PM and decreasing further to 4 by 4:00 PM. As the sun begins to set, the index returns to a safe 2 at 5:00 PM, and finally settles back down to 1 from 6:00 PM onward, reminding us that while the sun may be setting, the importance of sun protection lingers throughout the day.
| 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 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 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, UV levels vary significantly, with the highest risk months occurring from May to August, where the UV Index reaches a peak of 9 in June and remains at 8 during July and August, indicating a very high exposure category and a critical burn time of just 15 minutes. In contrast, winter months see much lower UV levels, with January and November registering a UV Index of 2 and December dropping to 1, categorized as low exposure. Visitors and residents should exercise caution during the high-risk months by minimizing sun exposure, wearing protective clothing, and applying sunscreen regularly, particularly between late spring and early fall when UV radiation is at its strongest.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Presov UVI | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Kosice UVI | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Bratislava UVI | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Nitra UVI | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |
| Trnava | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |
| Zilina UVI | 2 | 3 | 5 | 6 | 7 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |