UV Index in Cuilco, Guatemala

Last updated: May 3, 2025

In Cuilco, Guatemala, being aware of the UV Index is crucial for maintaining healthy skin and preventing sunburn. As a region characterized by a tropical wet climate, Cuilco experiences varying UV exposure levels, peaking dramatically during midday hours with values reaching 14. Understanding these UV levels can protect you from harmful effects, enabling you to enjoy the stunning outdoors safely. Whether you're a local resident or a visitor, keeping an eye on the UV Index is essential for safeguarding your skin's health and ensuring a fun time under the Guatemalan sun.

Hourly UV Index in Cuilco

The UV Index presents a clear picture of a sun’s intensity throughout the day. Starting the morning gently at 1 at 07:00, it escalates rapidly, hitting 4 by 08:00. The real peak unfolds between 10:00 and 12:00 when it reaches an impressive 14, urging sun-seekers to take precautions. As the sun begins its descent after 13:00, the index gradually declines, settling back to 1 by 17:00. As evening approaches, the index drops to 0 by 19:00, signaling a safe end to sun exposure. This hourly trend underscores the importance of vigilance around midday, where protection is crucial to enjoying the sun safely.

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	11	extreme	10 min
11:00	14	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	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 Cuilco

The UV Index exhibits significant seasonal variations, with peak values occurring from February through July, where it consistently reaches an extreme level of 13-15. This indicates that the months of March, April, July, and May are particularly high-risk for UV exposure, with a burn time of just 10 minutes. As residents and visitors plan outdoor activities, it is crucial to exercise extra caution during these months by using sunscreen, wearing protective clothing, and seeking shade whenever possible. Even in the fall and winter months, UV levels remain very high, so maintaining sun safety practices year-round is advisable.

Monthly Maximum UV Index for Cuilco, Guatemala

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Cuilco. 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 Cuilco, 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 Cuilco UV Index with Other Guatemala Cities

The table above highlights how UV exposure in Cuilco 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.

Cuilco'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
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
Cuilco	11	13	15	15	14	14	15	14	14	13	11	10
San Juan Sacatepequez UVI	11	13	15	15	14	14	15	14	14	13	11	10