UV Index in El Tumbador, Guatemala

Last updated: August 1, 2025

In El Tumbador, Guatemala, awareness of the UV Index is crucial for safeguarding your skin and overall health. Understanding the UV levels helps you take proactive steps to prevent sunburn and long-term skin damage. With a tropical climate that sees high UV exposure—especially during midday hours when the index can soar above 12—being informed about UV risks can make all the difference. From 09:00 to 15:00, when UV levels peak, it’s essential to plan outdoor activities wisely and use sun protection to enjoy the beautiful Guatemalan sun safely.

Hourly UV Index in El Tumbador

As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 7:00 AM. By 8:00 AM, it jumps to 3, a signal to enjoy some morning sun responsibly. The real intensity kicks in at 9:00 AM, peaking at 12:00 PM with a blistering 13—a reminder to seek shade and slather on that sunscreen! After the midday heat, the index begins to decline, dipping to 10 at 2:00 PM, and down to 1 by 5:00 PM. Finally, the day winds down at 6:00 PM with a UV index of 1, wrapping up the daylight hours with minimal UV exposure. Stay sun-safe and keep that SPF handy during those peak hours!

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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	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 El Tumbador

The UV Index experiences significant seasonal fluctuations, peaking from February to September with consistently high levels categorized as extreme. During these months, the UV Index reaches up to 14, with a burn time of just 10 minutes, making it essential for visitors and residents to take precautionary measures, such as applying sunscreen and wearing protective clothing. January and November show a slight decrease, with a very high UV Index of 10, allowing for a longer burn time of 15 minutes. However, even in December and October, the UV Index remains considerable at 9 and 12, respectively. To ensure safety, it is advisable to limit sun exposure during the high-risk months of February through October, particularly between 10 AM and 4 PM, when UV radiation is at its strongest.

Monthly Maximum UV Index for El Tumbador, Guatemala

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

The table above highlights how UV exposure in El Tumbador 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.

El Tumbador'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
El Tumbador	10	12	13	14	14	14	13	13	13	12	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