UV Index in San Martin Zapotitlan, Guatemala

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors of San Martin Zapotitlan, Guatemala, where the sun shines bright in its warm Aw climate. With UV levels reaching as high as 13 during midday, awareness becomes essential for preventing sunburn and maintaining skin health. By keeping an eye on the UV Index, you can better protect yourself from harmful rays, especially during peak hours when exposure risks are significantly elevated. Stay informed and enjoy the beautiful sun while safeguarding your skin!

Hourly UV Index in San Martin Zapotitlan

At 07:00, the UV Index starts off gently at 1, making it a safe time for morning activities. By 08:00, it rises to 3, indicating moderate levels of UV radiation. The sun begins to assert its dominance by 09:00, with the index climbing to 7, pushing outdoor enthusiasts to seek shade. 10:00 marks a significant peak at 10, and by 11:00, it reaches 12—a dangerous level where sun protection becomes crucial. The highest point occurs at 12:00, with the UV Index soaring to 13, suggesting that even brief exposure can lead to skin damage. From 13:00 to 14:00, it gently decreases to 12 and 9, respectively, but still warrants caution. As afternoon fades into evening, the index tapers off, dropping to 6 at 15:00 and further down to 3 by 16:00. Finally, the sun's intensity dwindles in the early evening, with indices falling to 1 by 17:00, 1 at 18:00, and reaching a low of 0 by 19:00. Plan your outdoor activities wisely to stay safe under the sun!

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	7	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	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 Martin Zapotitlan

Throughout the year, the UV Index in this region exhibits significant seasonal variations, peaking from January to September, where it reaches extreme levels. The highest UV Index of 14 occurs in April, signaling a critical period for sun exposure. February through September are identified as high-risk months, with consistently extreme levels and a burn time as short as 10 minutes. In contrast, November and December see a drop to a very high UV Index of 9, allowing for a slightly longer safe exposure time of 15 minutes. Visitors and residents are advised to take precautionary measures during these peak months, such as wearing protective clothing, using high-SPF sunscreen, and seeking shade during midday hours to minimize the risk of harmful UV exposure.

Monthly Maximum UV Index for San Martin Zapotitlan, Guatemala

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

The table above highlights how UV exposure in San Martin Zapotitlan 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 Martin Zapotitlan'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 Martin Zapotitlan	10	11	13	14	13	13	13	12	13	12	9	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