UV Index in Jalisco, Mexico

Last updated: July 2, 2025

Understanding the UV Index in Jalisco, Mexico, is crucial for protecting your skin and overall health. The high levels of UV radiation, especially during midday hours, can lead to painful sunburns and long-term skin damage if proper precautions aren’t taken. With Jalisco's predominantly BWh climate, residents and visitors face significant exposure risks, making it essential to stay informed about daily UV levels. By knowing when the UV Index peaks—such as the alarming highs of 13 between 1 PM and 2 PM—you can take proactive measures to enjoy the sun safely and promote skin health.

Hourly UV Index in Jalisco

As the sun rises, the UV Index begins at a safe 0 at 07:00, gradually climbing to 1 by 08:00. The intensity peaks dramatically at 13 between 13:00 and 14:00, with a maximum of 11 at noon. This is the time to take extra precautions! From 15:00 onwards, the index begins to decline, dropping to 6 by 17:00, and cooling off to 3 by 18:00, before settling back to 1 by evening. It’s essential to stay protected during peak hours to enjoy the day safely!

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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	7	high	25 min
12:00	11	extreme	10 min
13:00	13	extreme	10 min
14:00	13	extreme	10 min
15:00	12	extreme	10 min
16:00	10	very high	15 min
17:00	6	high	25 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Jalisco

The UV Index experiences significant seasonal fluctuations, with the highest levels occurring from March to October, where it reaches extreme categories (12-14), resulting in a burn time as short as 10 minutes during peak months. February marks the transition to very high levels, peaking at 10, while January and December see lower, yet still concerning levels of 7, categorized as high. For visitors and residents, the high-risk months are clearly from March through October, where it is crucial to take protective measures against UV exposure, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours. As the UV Index declines in November and December, vigilance should remain, particularly in February when transitioning into the peak season. Always be mindful of the UV index when planning outdoor activities!

Monthly Maximum UV Index for Jalisco, Mexico

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

The table above highlights how UV exposure in Jalisco 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.

Jalisco'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
Jalisco	7	10	12	14	14	13	13	13	13	11	8	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