UV Index in San Lorenzo, Paraguay

Last updated: June 2, 2025

Understanding the UV Index is vital for residents of San Lorenzo, Paraguay, where the sun can be both a friend and foe. High UV levels, particularly during midday, pose significant risks for sunburn and long-term skin health. With a humid subtropical climate (Cfa), San Lorenzo experiences a mix of heat and sunlight that can intensify UV radiation. During peak hours, the UV Index can reach levels of 5, elevating the risk of skin damage and emphasizing the need for protective measures. By staying informed about daily UV levels, you can enjoy the outdoors while safeguarding your skin from harmful effects.

Hourly UV Index in San Lorenzo

The UV Index for the day showcases a gradual increase in solar intensity as the sun climbs higher in the sky. Starting from a low of 1 at 07:00 and 08:00, it peaks at 5 from 11:00 to 13:00, indicating a heightened risk of harm from unprotected sun exposure. Just after noon, the index begins its decline, dropping to 3 by 14:00 and further to 2 at 15:00. As the afternoon fades into evening, the UV Index dips to 1 at 16:00, and eventually, it settles at 0 from 17:00 onward. To enjoy the outdoors safely, consider protecting your skin during the midday hours when UV radiation is most intense!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:001low45 min
08:001low45 min
09:003moderate30 min
10:004moderate30 min
11:005moderate30 min
12:005moderate30 min
13:005moderate30 min
14:003moderate30 min
15:002low45 min
16:001low45 min
17:000low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in San Lorenzo

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.

Monthly Maximum UV Index for San Lorenzo, Paraguay

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Lorenzo. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec15141310756810131415
Data source: Statistical UV Index data for San Lorenzo, based on information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Compare San Lorenzo UV Index with Other Paraguay Cities

The table above highlights how UV exposure in San Lorenzo compares to other major locations across Paraguay. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
San Lorenzo's solar exposure compared to other cities in Paraguay. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
San Lorenzo15141310756810131415
Lambare UVI15141310756810131415
Capiata UVI15141310756810131415
Asuncion UVI15141310756810131415
Ciudad del Este UVI15151310756810131514