UV Index in El Rosario, Mexico

Last updated: June 2, 2025

Understanding the UV Index in El Rosario, Mexico is crucial for safeguarding your skin health in this sun-drenched paradise. With UV levels climbing as high as 13 during the peak hours, awareness of these fluctuations can significantly aid in preventing sunburn and reducing long-term skin damage. The climate here is characterized by its arid conditions and abundant sunshine, making residents and visitors alike vulnerable to harmful UV exposure. Stay informed and protect yourself under the sun, ensuring your time in beautiful El Rosario remains both enjoyable and safe!

Hourly UV Index in El Rosario

The UV Index throughout the day showcases a dynamic pattern of sun intensity. At 7:00 AM, the index begins at a modest 1, gradually rising as the sun climbs higher in the sky. By 10:00 AM, it reaches 7, illustrating a marked increase in exposure. The peak occurs at 12:00 PM, hitting a striking 12, making it essential to seek shade or wear protective gear. The intensity remains high at 1:00 PM, reaching 13, before starting to decline after 2:00 PM, dropping to 9 by 3:00 PM. The late afternoon sees further decrease, settling at 3 by 5:00 PM and tapering off to 1 by the evening. Overall, this data underscores the importance of vigilant sun safety during the midday hours when UV exposure is at its most potent.

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	12	extreme	10 min
15:00	9	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in El Rosario

Throughout the year, UV exposure levels show significant seasonal variations, with highest risks occurring from March to October, where the UV Index reaches extreme levels of 10 to 14 and burn times drop to just 10 minutes. Specifically, April stands out with a peak UV Index of 14, marking it as a crucial month for sun safety. Visitors and residents should take extra precautions during these high-risk months by wearing protective clothing, applying broad-spectrum sunscreen regularly, and seeking shade during peak sun hours. In contrast, January and February are still classified as very high with an Index of 8 and 10 respectively, and while the burn time increases to 15 minutes, vigilance is still advised. As the year progresses into November and December, UV levels decline, making them less hazardous but still requiring some sun protection, particularly in December with a burn time of 25 minutes.

Monthly Maximum UV Index for El Rosario, Mexico

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

The table above highlights how UV exposure in El Rosario 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.

El Rosario'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
El Rosario	8	10	12	14	13	13	13	13	12	11	9	7
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