Last updated: August 1, 2025
Understanding the UV Index is crucial for the residents of San Lazaro, Paraguay, where the subtropical climate can expose individuals to harmful ultraviolet rays. As UV levels rise, so do the risks of sunburn, long-term skin damage, and various skin cancers. The daily UV Index often peaks between 10:00 AM and 2:00 PM, hitting levels as high as 7, which indicates a high risk of harm from unprotected sun exposure. By keeping an eye on these levels, residents can better protect their skin and enjoy the sunny days of San Lazaro while minimizing health risks.
The UV Index throughout the day paints a vivid picture of sun intensity, starting at a modest 1 at 07:00 and gradually climbing to its peak of 7 from 11:00 to 13:00. This high level signifies a heightened risk for prolonged sun exposure, perfect for sun lovers but cautionary for the rest. From the peak, the index starts to dip, dropping to 5 at 14:00 and dwindling to 1 by 16:00. As the sun begins to set, the UV Index plummets to 0 by 18:00 and remains in the safe zone through the evening. Plan your outdoor activities wisely, ensuring midday sun protection while enjoying the earlier and later 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 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 3 | moderate | 30 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 exhibits significant seasonal variations, with the highest levels occurring from January to April and again in September to November, indicating extreme exposure risk. Throughout the year, January, February, March, and December stand out as high-risk months with an index of 15, where a mere 10 minutes of unprotected exposure can lead to skin burns. Conversely, from May to August, the UV Index drops slightly, reaching a maximum of 9 in August during the very high category, allowing for marginally longer burn times of 15 to 25 minutes. However, visitors and residents should remain vigilant, especially during the peak months, and take protective measures such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours. Staying informed about the UV Index is crucial for enjoying outdoor activities safely year-round.
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 |
| San Lazaro | 15 | 15 | 13 | 11 | 8 | 7 | 7 | 9 | 11 | 13 | 14 | 15 |