UV Index in San Juan Ermita, Guatemala

Last updated: July 2, 2025

In San Juan Ermita, Guatemala, understanding the UV Index is crucial for safeguarding your skin’s health and preventing sunburn. With a warm climate that peaks in UV exposure during the midday hours, residents and visitors alike should pay close attention to UV levels. Notably, the index can soar as high as 14 around noon, posing serious risks if proper precautions are not taken. By being aware of these indices and the associated risks, you can enjoy the beautiful sunlit days while protecting yourself from harmful effects and ensuring your outdoor activities are safe and enjoyable.

Hourly UV Index in San Juan Ermita

The UV Index tells a compelling story throughout the day, starting off with a gentle 1 at 7:00 AM. As the sun ascends, it charges up rapidly, reaching a moderate 4 by 8:00 AM. The intensity peaks at 12:00 PM with an intense 14, suggesting that this is the time to seek shade and take precautions against sunburn. The index gradually declines thereafter, dropping to 6 by 3:00 PM, and further down to a safe 1 at 5:00 PM. As evening sets in, the UV rays diminish, leaving a 0 at 7:00 PM. It's clear: the midday hours are when the sun is most powerful, so plan accordingly to protect your skin!

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.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in San Juan Ermita

Throughout the year, UVA levels display pronounced seasonal variability, with January to September marked by an extreme UV Index, peaking in April at 15. During this period, burn time is critically short at just 10 minutes, highlighting the increased risk of skin damage during the high-risk months from February to April. Following this peak, UV levels gradually decrease but remain extreme through much of the summer, before tapering off to very high levels in November and December. For both visitors and residents, it is crucial to practice sun safety, especially during the spring and summer months. Sunscreen application, protective clothing, and seeking shade are essential strategies to reduce the risk of harmful UV exposure during these high-risk seasons.

Monthly Maximum UV Index for San Juan Ermita, Guatemala

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Juan Ermita. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for San Juan Ermita, 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 Juan Ermita UV Index with Other Guatemala Cities

The table above highlights how UV exposure in San Juan Ermita 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 Juan Ermita's solar exposure compared to other cities in Guatemala. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
San Juan Ermita	11	13	14	15	14	14	14	14	13	13	10	9
Petapa UVI	11	13	14	15	14	14	14	14	14	13	10	10
Villa Nueva UVI	11	13	14	15	14	14	14	14	14	13	10	10
Mixco UVI	11	13	15	15	14	14	14	14	14	13	11	10
Guatemala City UVI	11	13	15	15	14	14	14	14	14	13	11	10
San Juan Sacatepequez UVI	11	13	15	15	14	14	15	14	14	13	11	10