UV Index in San Rafael Petzal, Guatemala

Last updated: June 2, 2025

Understanding the UV Index in San Rafael Petzal, Guatemala, is essential for safeguarding your skin and overall health in this beautiful yet intense climate. With an average UV Index peaking at a staggering 15 around noon, it's vital to recognize the risks associated with high UV exposure, such as sunburn and long-term skin damage. Living in a Cwb climate zone offers unique weather patterns, but also means higher UV levels, especially during the midday hours when the sun is at its strongest. Staying informed about UV levels will empower you to take the necessary precautions and enjoy the outdoors safely.

Hourly UV Index in San Rafael Petzal

The UV Index throughout the day showcases a dramatic rise and fall in intensity. Starting at 07:00, the index is a modest 2, but by 09:00, it jumps to 7, indicating a sharp increase in sun exposure. The peak intensity occurs at 12:00, where the UV Index reaches a scorching 15, signaling a critical need for sun protection. As the afternoon rolls in, the numbers begin to decline, dipping to 11 by 14:00 and further down to 4 at 16:00. Finally, the index wanes into the evening, dropping to 1 at 18:00 and settling at 0 by 19:00, effectively marking the end of a sun-soaked day. Pay attention to these fluctuations to protect your skin from harmful UV rays!

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
07:002low45 min
08:004moderate30 min
09:007high25 min
10:0011extreme10 min
11:0014extreme10 min
12:0015extreme10 min
13:0014extreme10 min
14:0011extreme10 min
15:007high25 min
16:004moderate30 min
17:002low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in San Rafael Petzal

The UV Index varies throughout the year, peaking from March to October with values consistently marked as extreme. The highest levels occur in April with an index of 16, while January and December experience lower indices of 11 and 10, respectively, categorized as very high. Notably, the high-risk months for UV exposure are February through October, during which visitors and residents should take precautions seriously as the burn time at these levels is only 10 minutes. It is essential for individuals to wear sunscreen, protective clothing, and seek shade during peak sunlight hours to minimize the risk of skin damage. As the UV Index decreases in November and December, vigilance should still be retained, especially since burn times are still within a hazardous range.

Monthly Maximum UV Index for San Rafael Petzal, Guatemala

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Rafael Petzal. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec111315161515151515131110
Data source: Statistical UV Index data for San Rafael Petzal, 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 Rafael Petzal UV Index with Other Guatemala Cities

The table above highlights how UV exposure in San Rafael Petzal 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.
San Rafael Petzal's solar exposure compared to other cities in Guatemala. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Petapa UVI111314151414141414131010
Villa Nueva UVI111314151414141414131010
Mixco UVI111315151414141414131110
Guatemala City UVI111315151414141414131110
San Juan Sacatepequez UVI111315151414151414131110
San Rafael Petzal111315161515151515131110