UV Index in San Juanito, Mexico

Last updated: May 3, 2025

Understanding the UV Index is essential for the residents and visitors of San Juanito, Mexico, where the sun's rays can be intense, particularly between late morning and early afternoon. With UV levels peaking at 14 around 1 PM, awareness can help prevent sunburn and protect skin health, making it crucial to know when to seek shade or apply sunscreen. Given San Juanito's Csb climate, characterized by mild temperatures that often mask the strength of UV radiation, being informed about daily UV risks ensures that outdoor activities can be enjoyed safely, without compromising your skin's well-being.

Hourly UV Index in San Juanito

The UV Index today shows a clear progression of intensity, starting with a maximum of 1 at 07:00, signaling a relatively safe morning. As the sun climbs, it peaks at a dramatic 14 at 13:00, indicating a high risk for sun exposure. From 10:00 onwards, the UV levels escalate rapidly, reaching 10 at 11:00 and a scorching 13 at noon. The afternoon sees a gradual decline, with the index easing back to 10 at 15:00, and further down to 4 by 17:00. The evening offers relief as it drops to 2 by 18:00 and finally settles at 1 by 19:00. It’s crucial to be sun-smart during peak hours, especially between 11:00 and 14:00.

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	13	extreme	10 min
13:00	14	extreme	10 min
14:00	13	extreme	10 min
15:00	10	very high	15 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 San Juanito

As the seasons change, so do the UV levels, peaking during the summer months. From April to September, the UV Index remains consistently at 14, categorized as extreme, which means that visitors and residents should take extra precautions as the burn time is only 10 minutes. February and March also pose high risks with UV indices of 10 and 11, respectively. To protect your skin during these high-risk months, it is advisable to limit sun exposure, wear protective clothing, and apply sunscreen regularly, even on cloudy days. As we move toward the late fall and winter, the UV levels decrease, dropping to 6 in December, yet caution should still be taken in January and November when the indices are 7 and 8, respectively. Being proactive about sun safety is crucial year-round.

Monthly Maximum UV Index for San Juanito, Mexico

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

The table above highlights how UV exposure in San Juanito 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 Juanito'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
San Juanito	7	10	11	14	14	14	14	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