UV Index in Guadalajara, Mexico

Last updated: July 2, 2025

Being aware of the UV Index in Guadalajara, Mexico, is crucial for protecting your skin and overall health. Understanding UV levels not only helps prevent painful sunburns but also plays a significant role in reducing long-term skin damage and the risk of skin cancer. With Guadalajara's climate classified as Cwa, characterized by warm summers and ample sunshine, residents and visitors alike must be vigilant about UV exposure, especially during peak hours when the UV Index can soar to dangerous levels. Knowledge is your best defense against the sun’s harmful rays—stay informed and enjoy the beautiful Guadalajara sun safely!

Hourly UV Index in Guadalajara

As the day unfolds, the UV Index rises steadily, beginning at a safe 0 at 07:00 and peaking dramatically. By 10:00, it escalates to 4, signaling the need for some sun protection. The intensity reaches 10 at 12:00, and then hits its maximum at 13:00 with a formidable 12. Right after, it slightly dips but remains high at 12 until 15:00. As the afternoon wanes, the UV Index begins to decline, dropping to 9 by 16:00, and continuing its descent to 1 by 19:00. This fluctuation highlights the importance of being sun-smart during peak hours, especially between 11:00 and 15:00, when the sun is at its strongest.

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	10	very high	15 min
13:00	12	extreme	10 min
14:00	13	extreme	10 min
15:00	12	extreme	10 min
16:00	9	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 Guadalajara

The UV Index experiences significant seasonal variations, peaking from February to October with particularly high levels from March to October where it reaches extreme levels of 13 to 14, indicating a burn time of just 10 minutes. Notably, the highest UV Index values occur in March, April, and May. As the year progresses towards winter, the UV Index drops, with January and November marking very high exposure levels (UV Index 9) and longer burn times of 15 minutes, while December shows a slight decline to 8. For both residents and visitors, it is crucial to take preventive measures against UV exposure, especially during the high-risk months of February through October, by wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Guadalajara, Mexico

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

The table above highlights how UV exposure in Guadalajara 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.

Guadalajara'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
Guadalajara	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