UV Index in Guerrero, Mexico

Last updated: July 2, 2025

Understanding the UV Index in Guerrero, Mexico is crucial for anyone looking to enjoy the sun safely. With the region's warm semi-arid climate (BSk), the sun can be particularly intense, especially from late morning to early afternoon when the UV Index can soar to levels as high as 13—indicating an extreme risk of harm from unprotected sun exposure. Being aware of UV levels is not just about avoiding painful sunburns; it plays a vital role in promoting long-term skin health and preventing conditions like skin cancer. By keeping track of the UV Index, residents and visitors can take proactive measures to protect themselves while still enjoying the beautiful, sun-soaked days that Guerrero has to offer.

Hourly UV Index in Guerrero

The UV Index starts off modestly at 1 at 07:00, perfect for a leisurely morning. As the day progresses, it ramps up significantly, hitting 10 by 11:00 and peaking at an intense 13 around 13:00 and 14:00. This midday sun intensity necessitates caution, making sunscreen and protective gear essential during these peak hours. As the afternoon rolls into evening, the index gradually declines, dropping to 4 by 17:00 and returning to a low 1 by 19:00, allowing for a safer outdoor experience as the day winds down. Always stay prepared for the sun's powerful rays during the hours of highest UV exposure!

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	12	extreme	10 min
13:00	13	extreme	10 min
14:00	13	extreme	10 min
15:00	11	extreme	10 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