Last updated: May 3, 2025
Understanding the UV Index is crucial for everyone living in or visiting Bella Vista, Paraguay, a region characterized by its warm Aw climate. Being aware of UV levels not only helps prevent sunburn but also promotes long-term skin health, protecting you from harmful ultraviolet rays. With UV Index values peaking at 8 during the midday hours, Bella Vista poses notable exposure risks, especially between 10:00 AM and 2:00 PM. Staying informed about the UV Index can empower residents and tourists alike to enjoy the sun safely while minimizing the risk of skin damage.
The UV Index throughout the day presented a clear pattern, peaking during the mid-morning to early afternoon hours. Starting at a low 1 at 07:00, the intensity gradually increased, reaching 4 by 09:00. The most critical period for sun exposure occurred between 11:00 and 12:00, where the UV Index hit a high of 8, indicating a very high risk of harm from unprotected sun exposure. As the afternoon progressed, values dipped to 7 at 13:00, and then saw a steady decline, dropping to 5 by 14:00. The UV Index continued to fall, plunging to 1 by 16:00 and eventually down to 0 after 18:00, signaling a safe period for evening outdoor activities. Always remember to take precautions during peak hours for your skin's health!
| 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 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 2 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index experiences significant seasonal fluctuations, peaking during the winter months and late fall with values of 15 in January, February, and December, categorizing exposure as extreme with a burn time of only 10 minutes. As spring approaches, the Index remains high, dropping slightly to 13 in March and 11 in April, continuing to present high risks for sunburn. The UV Index declines to 8 and 9 in the summer months of May through August, where exposure levels are still regarded as very high. A notable rebound occurs in September and October, returning to extreme levels at 11 and 14 respectively, with similarly low burn times. Given this data, residents and visitors should exercise caution during the high-risk months of January to April and September to November, ensuring to use adequate sun protection and limit exposure during peak sunlight hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lambare UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 8 | 10 | 13 | 14 | 15 |
| Capiata UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 8 | 10 | 13 | 14 | 15 |
| San Lorenzo UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 8 | 10 | 13 | 14 | 15 |
| Asuncion UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 8 | 10 | 13 | 14 | 15 |
| Ciudad del Este UVI | 15 | 15 | 13 | 10 | 7 | 5 | 6 | 8 | 10 | 13 | 15 | 14 |
| Bella Vista | 15 | 15 | 13 | 11 | 8 | 7 | 8 | 9 | 11 | 14 | 14 | 15 |