Last updated: July 2, 2025
In Gaj, Slovenia, staying informed about the UV Index is essential for safeguarding your skin health and preventing sunburn. Understanding UV levels allows residents and visitors alike to take informed precautions against harmful solar radiation, especially during peak hours. Situated in a Cfb climate zone, Gaj experiences varying UV exposure throughout the day, peaking between 11 AM and 1 PM when the index reaches a maximum of 9. By being aware of the UV Index, you can enjoy the beautiful outdoors while effectively protecting yourself from potential skin damage.
The UV Index throughout the day started off low, with 1 at 07:00, gradually rising as the sun climbed higher in the sky. By 09:00, it reached a moderate 4, but the real peak came at 12:00 with an impressive 9—a perfect reminder to apply sunscreen! As the afternoon unfolded, the UV levels remained high, hovering around 8 at 14:00 and dipping slightly to 7 by 15:00. As the sun began to set, the index gracefully descended, dropping to 3 by 17:00, and finally returning to a safe 1 by 19:00. This daily cycle underscores the importance of sun safety, particularly during those high noon 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 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | 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 |
During the year, UV index levels fluctuate significantly, indicating varying risks for skin damage from sun exposure. The low-risk months are January, December (UV Index 2), and November, February, October (UV Index 3), where exposure is generally safe with longer burn times of 30-45 minutes. As the season progresses into March and April (UV Index 5-6), caution is advised as burn times decrease to 25-30 minutes. The high-risk months, notably May through August (UV Index 8-9), present very high UV exposure, with burn times shortening dramatically to just 15 minutes. In September, risk lowers slightly (UV Index 6) but remains significant with a burn time of 25 minutes. Visitors and residents are strongly encouraged to protect their skin, especially during peak UV months, by wearing sunscreen, protective clothing, and seeking shade whenever possible to minimize potential harm.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gaj | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 2 |
| Maribor UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 2 |
| Celje UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 2 |
| Velenje UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 2 |
| Kranj UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 4 | 3 | 2 |
| Ljubljana UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |