Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Asuncion, Paraguay, where the sun's intensity can pose significant health risks. With UV levels peaking around midday—often reaching as high as 7, which indicates a strong potential for harm—being aware of these indices is essential for sunburn prevention and maintaining long-term skin health. Asuncion experiences a Cfa climate, characterized by hot summers and moderate humidity, which can amplify UV radiation exposure. Staying informed not only helps protect your skin but also encourages outdoor enthusiasts to plan their activities wisely, ensuring a safe and enjoyable experience under the Paraguayan sun.
The UV Index displayed a dynamic fluctuation throughout the day, starting off at 0 at 7:00 AM, indicating no risk. As the sun rose higher, it slowly climbed to 1 by 8:00 AM and reached 2 at 9:00 AM. By mid-morning, the UV levels surged, peaking at 7 between 12:00 PM and 1:00 PM—a point where sun safety becomes crucial. As the afternoon progressed, the index dipped, settling to 6 at 2:00 PM, and then gradually declining to 4 by 3:00 PM, and finally tapering off to 1 by 5:00 PM. The day wrapped up with a return to 0 UV risk by 7:00 PM, marking a significant drop as daylight faded. Stay vigilant and protect your skin during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index experiences significant seasonal fluctuations, with the highest levels occurring during winter months and extreme exposure categories persisting from January through March (UV Index 15 to 13, burn time of 10 minutes). April marks the transition to very high levels (UV Index 10) with a slightly longer burn time of 15 minutes, while May begins a gradual decline to high levels (UV Index 7, burn time of 25 minutes). Summer sees moderate to high UV levels in June (UV Index 5) and July (UV Index 6), before rising again in August and September to very high levels (UV Index 8 and 10, burn time of 15 minutes). As the year closes, extreme levels resurface in October and November (UV Index 13 to 14, burn time of 10 minutes). Visitors and residents are strongly advised to take precautions, such as wearing protective clothing, using sunscreen, and limiting sun exposure during high-risk months from January to March and October to November, to safeguard against the harmful effects of UV radiation.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Asuncion | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 8 | 10 | 13 | 14 | 15 |
| 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 |
| Ciudad del Este UVI | 15 | 15 | 13 | 10 | 7 | 5 | 6 | 8 | 10 | 13 | 15 | 14 |