UV Index in Guerrero, Mexico

Last updated: May 3, 2025

Being aware of the UV Index in Guerrero, Mexico, is crucial for both locals and visitors. Understanding UV levels helps prevent sunburn and protects overall skin health, especially in a region where the semi-arid climate poses significant exposure risks. With midday UV Index readings soaring to 13, it's essential to take proper precautions during peak hours, typically between 10 AM and 2 PM. By staying informed about UV levels, you can enjoy the beautiful Guerrero sun while safeguarding your skin against potential damage.

Hourly UV Index in Guerrero

As the day unfolds, the UV Index ramps up significantly, peaking during the midday hours. At 07:00, it starts at a gentle 1, barely warranting concern. By 09:00, it rises to 4, signaling a gradual increase in sun intensity. However, it’s at 11:00 that the UV Index surges to a powerful 10, reaching 13 by 12:00 and 13:00, urging everyone to seek shade and slather on sunscreen. The intensity tapers off into the afternoon, dropping to 12 at 14:00, before gradually fading to 10 by 15:00, and then continuing its descent to 4 at 17:00. As the sun sets, the UV Index recedes to a safe 2 at 18:00 and finally retreats back to 1 by 19:00. It's a brilliant reminder of how vital it is to stay sun-safe 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	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	12	extreme	10 min
15:00	10	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Guerrero

Throughout the year, the UV Index displays significant seasonal changes, with the highest risks occurring from February to October. The most critical months are March, April, June, July, August, and September, where the UV Index reaches extreme levels of 11 to 14 and the burn time is as low as 10 minutes. Visitors and residents should exercise extra caution during these months, ensuring they wear protective clothing, apply broad-spectrum sunscreen, and seek shade during peak sun hours. Notably, even during the high-risk months of February and November, with UV Index values of 9 and 8, exposures remain hazardous with burn times of 15 minutes. As the year progresses into December and January, while UV Index levels decrease, they still warrant attention, indicating a high category in January and a moderate level in December. Overall, awareness and proactive sun protection are crucial for health all year round.

Monthly Maximum UV Index for Guerrero, Mexico

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

The table above highlights how UV exposure in Guerrero compares to other major locations across Mexico. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Guerrero's solar exposure compared to other cities in Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Guerrero	7	9	11	14	13	14	13	13	13	11	8	6
Guadalajara UVI	9	11	14	14	14	13	13	13	13	12	9	8
Iztapalapa UVI	10	12	14	15	14	14	14	14	14	12	10	8
Ecatepec de Morelos UVI	10	12	14	15	15	14	14	13	14	12	10	8
Mexico City UVI	10	12	14	15	15	14	14	13	14	12	10	8
Puebla UVI	10	12	14	15	15	15	15	14	14	13	10	9