UV Index in Antigua Guatemala, Guatemala

Last updated: July 2, 2025

Understanding the UV Index in Antigua Guatemala is essential for protecting your skin and maintaining overall health under the sun. With high UV levels peaking around midday, awareness of these fluctuations is critical to prevent sunburn and long-term skin damage. The region’s Cwb climate provides delightful weather, but it also carries inherent risks due to consistently high UV exposure. By monitoring the UV Index, residents and visitors alike can make informed decisions to enjoy Antigua's beautiful outdoors safely, ensuring that all sun-filled adventures are both enjoyable and health-conscious.

Hourly UV Index in Antigua Guatemala

The UV Index rises steadily through the morning, starting at a gentle 1 at 07:00 and escalating to a peak of 14 by 12:00. As the sun reaches its zenith, the index hits a blistering 12 at 11:00 and maintains an impressive 13 at 13:00, signaling ideal conditions for sunbathers and outdoor enthusiasts. However, the intensity of UV rays begins to wane after 14:00, dipping to 10 and further declining to 3 by mid-afternoon. As evening approaches, the index falls sharply to 1 by 17:00 and settles at 0 by 19:00, marking a gradual retreat from peak sun exposure. For safety, sunscreen and protective clothing are essential during the midday hours, especially from 10:00 to 14:00 when UV radiation is at its strongest.

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
08:003moderate30 min
09:007high25 min
10:0010very high15 min
11:0012extreme10 min
12:0014extreme10 min
13:0013extreme10 min
14:0010very high15 min
15:006high25 min
16:003moderate30 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Antigua Guatemala

The UV Index experiences significant variability throughout the year, peaking from February to July, where it reaches extreme levels of 12 to 14 with a consistent burn time of just 10 minutes. March sees the highest index at 14, closely followed by April, May, and June. As summer fades into autumn, slight decreases are noted, with August and September at 13, followed by October at 12. The risk remains high through November and December, although the indices drop to 10 and 9 respectively, resulting in slightly longer burn times of 15 minutes. Visitors and residents are strongly advised to take precautions, especially during peak months by utilizing broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sunlight hours to minimize the risk of harmful UV exposure. Always remain vigilant, even in winter months, as UV radiation can still pose a significant threat.

Monthly Maximum UV Index for Antigua Guatemala, Guatemala

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Antigua Guatemala. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141414131312109
Data source: Statistical UV Index data for Antigua Guatemala, 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 Antigua Guatemala UV Index with Other Guatemala Cities

The table above highlights how UV exposure in Antigua Guatemala compares to other major locations across Guatemala. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Antigua Guatemala's solar exposure compared to other cities in Guatemala. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Antigua Guatemala11121414141414131312109
Petapa UVI111314151414141414131010
Villa Nueva UVI111314151414141414131010
Mixco UVI111315151414141414131110
Guatemala City UVI111315151414141414131110
San Juan Sacatepequez UVI111315151414151414131110