UV Index in San Juan (Las Joyas), Mexico

Last updated: May 3, 2025

In San Juan (Las Joyas), Mexico, staying informed about the UV Index is crucial for protecting your skin against harmful ultraviolet radiation. With a climate characterized by intense sunshine and warmth, understanding UV levels can help you prevent sunburn and maintain overall skin health. The data reveals that UV exposure peaks sharply between 10 AM and 3 PM, reaching dangerously high levels of 14 around midday. Being aware of these fluctuations is essential; it empowers residents and visitors alike to take necessary precautions and enjoy the beautiful weather safely.

Hourly UV Index in San Juan (Las Joyas)

As the sun rises, the UV Index begins its climb from a gentle 1 at 07:00, nudging upwards to 2 by 09:00. By mid-morning, the intensity escalates to 5 at 10:00, signaling the need for some sun safety. The peak arrives at noon with a sizzling 12, reaching a blistering 14 by 13:00 and 14:00, marking the hours of most intense sun exposure. As afternoon fades, the UV Index gradually recedes to 12 at 15:00, before cooling further to 5 by 17:00, and finally winding down to 1 by 19:00. During the peak hours, make sure to stay protected and enjoy the sunshine responsibly!

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	1	low	45 min
09:00	2	low	45 min
10:00	5	moderate	30 min
11:00	9	very high	15 min
12:00	12	extreme	10 min
13:00	14	extreme	10 min
14:00	14	extreme	10 min
15:00	12	extreme	10 min
16:00	9	very high	15 min
17:00	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in San Juan (Las Joyas)

Throughout the year, UV Index readings exhibit significant seasonal variation, with the highest levels occurring from March to September where the index consistently reaches 14 and is classified as extreme. January and November present very high indices of 10, with a burn time of 15 minutes, while December features a slightly lower index of 9. Visitors and residents are particularly at risk during the months of February through October, where the burn time drastically shortens to just 10 minutes due to the extreme UV exposure. It is essential for individuals to take proactive measures during these high-risk months by wearing protective clothing, applying sunscreen, and seeking shade to reduce the risk of skin damage.

Monthly Maximum UV Index for San Juan (Las Joyas), Mexico

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

The table above highlights how UV exposure in San Juan (Las Joyas) 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.

San Juan (Las Joyas)'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 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
San Juan (Las Joyas)	10	12	14	14	14	14	14	14	14	12	10	9
Puebla UVI	10	12	14	15	15	15	15	14	14	13	10	9