UV Index in Cuilco, Guatemala

Last updated: June 2, 2025

In Cuilco, Guatemala, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps residents and visitors alike to prevent sunburn and reduce the risk of long-term skin damage. With a predominantly Aw climate, Cuilco experiences significant UV exposure, particularly during midday hours when the index peaks at an intense 14. By keeping track of the UV Index, you can take proactive measures to enjoy the beautiful sunshine safely while safeguarding your skin's health.

Hourly UV Index in Cuilco

The UV Index shows a dynamic pattern throughout the day. It starts off at a mild level of 1 at 07:00, but as the sun rises, it ramps up quickly, reaching 4 by 08:00. The peak occurs around 12:00, where it hits a sizzling 14, indicating a high risk of harm from unprotected sun exposure. As the afternoon wanes, the index begins to drop—falling to 2 by 17:00 and finally tapering off to 0 at 19:00, when the sun sets. For those planning outdoor activities, the midday hours are crucial, as protective measures are essential to avoid sunburn and heat stress during this peak period. Stay safe and enjoy the sunshine!

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	13	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	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