Last updated: May 3, 2025
Understanding the UV Index is essential for residents and visitors in Vranje, Serbia, where the Cfb climate brings a mix of warm summers and cool winters. As the sun's intensity varies throughout the day, being aware of UV levels is crucial for preventing sunburn and maintaining overall skin health. For instance, during the peak hours around noon, the UV Index can reach as high as 9, indicating a very high risk of harm from unprotected sun exposure. By keeping an eye on UV levels, you can enjoy Vranje’s beautiful sunny days while protecting your skin from potential damage.
The UV Index starts off low at 1 by 7:00 AM, perfect for early risers looking to enjoy the morning sun without worries. As the day progresses, the intensity increases, peaking at 9 between 12:00 PM and 1:00 PM, a clear signal to seek shade and protect your skin during the intense midday hours. From 2:00 PM onward, the UV Index begins to decline, dropping to 6 by 3:00 PM, and tapering off further to 2 by 5:00 PM. As daylight fades, UV levels return to low with 1 by 6:00 PM, making the evening hours more comfortable for outdoor activities. Be mindful of the sun's strength and plan your day accordingly!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 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, the UV Index fluctuates significantly, indicating varying levels of risk for sun exposure. From January to February, UV levels remain in the moderate range (3-4), allowing for approximately 30 minutes of safe sun exposure. As spring approaches in March, the UV Index escalates to 7, marking the beginning of high risk, with a reduced safe exposure time of 25 minutes. The late spring and summer months, particularly April to August, experience the highest UV readings, with values reaching a peak of 10 in June and July, categorizing them as very high risk and necessitating careful sun protection after just 15 minutes of exposure. September sees a slight decline to an 8, while October drops to a 6, signaling a return to high risk. Conversely, late fall and winter months—November (3) and December (2)—see safer exposure categories, with burn times extending up to 30-45 minutes. Visitors and residents should take proactive measures in high-risk months (March to September) by using sunscreen, wearing protective clothing, and seeking shade to minimize sun damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Novi Sad UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Zemun UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Belgrade UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Kragujevac UVI | 2 | 3 | 6 | 7 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Nis UVI | 2 | 4 | 6 | 7 | 8 | 10 | 9 | 9 | 7 | 5 | 3 | 2 |
| Vranje | 3 | 4 | 7 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 3 | 2 |