Last updated: August 1, 2025
Understanding the UV Index is essential for residents of Mariano Roque Alonso, Paraguay, where the subtropical climate can lead to varying levels of sun exposure. With peak UV levels reaching up to 6 around midday, it’s crucial to be aware of these changes to effectively prevent sunburn and protect your skin health. A higher UV Index indicates increased risk of harm from unprotected sun exposure, making it important to take precautions during the hotter hours. Stay informed and safeguard your skin in a place where the sun can be both a friend and a foe!
The UV Index in this hourly snapshot reveals a dynamic pattern throughout the day. Early morning sees low levels, with a maximum of 1 at 7:00 AM and 8:00 AM, indicating minimal risk for skin damage. As the sun rises higher, the index climbs sharply, peaking at 6 between 11:00 AM and 1:00 PM, where caution is advised due to an increased risk of harm from unprotected sun exposure. By mid-afternoon, the index starts to drop, falling to 4 at 2:00 PM, and then further declines towards evening, with readings of 2 at 3:00 PM and returning to 1 by 4:00 PM. The day concludes with a relief as the index reaches 0 by 6:00 PM, signaling a safe time to be outdoors without sun protection. This data serves as a reminder to stay vigilant during peak hours to protect your skin!
| 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 | 6 | 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 | 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 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mariano Roque Alonso | 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 |
| 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 |