UV Index in Santa Ana, Guatemala

Last updated: June 2, 2025

In Santa Ana, Guatemala, awareness of the UV Index is crucial to safeguarding your skin from harmful solar radiation. With high UV levels peaking at 12 around noon, understanding these fluctuations can help prevent sunburn and long-term skin damage. The region's tropical climate brings about intense sun exposure, particularly during the dry season, increasing the risks associated with UV rays. By staying informed about the UV Index, you can take proactive steps to protect yourself and enjoy the beautiful sunshine in Santa Ana responsibly.

Hourly UV Index in Santa Ana

As the sun rises, the UV Index begins its ascent, peaking at 13 around noon, making it a crucial time for sun safety. Starting at a modest 2 at 7:00 AM, the index steadily climbs, hitting 4 by 8:00 AM, and then surging to 10 at 10:00 AM. The intensity peaks at 12:00 PM, marked by a high of 13, before gradually declining to 6 by 3:00 PM. As the afternoon wanes, the values drop further, ending the day at a safe 0 by 7:00 PM. It’s clear that midday is the time to be sun-smart and 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	2	low	45 min
08:00	4	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	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 Santa Ana

Throughout the year, UV index levels exhibit significant seasonal variation, with March through October being particularly concerning. The highest risk months occur from February to October, where the UV Index peaks at 14 in April, indicating an extreme exposure category with a minimal burn time of just 10 minutes. Residents and visitors should take precautions during these months by wearing protective clothing, applying sunscreen regularly, and limiting sun exposure during peak hours. Conversely, the UV Index decreases to very high levels during January, November, and December, where the burn time extends slightly to 15 minutes. Overall, vigilance is essential year-round, but especially so when the UV Index reaches extreme levels in the spring and summer months.

Monthly Maximum UV Index for Santa Ana, Guatemala

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

The table above highlights how UV exposure in Santa Ana 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.

Santa Ana'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
Santa Ana	9	11	13	14	13	13	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