UV Index in San Javier, Mexico

Last updated: June 2, 2025

Being aware of the UV Index is crucial for residents and visitors in San Javier, Mexico, as it directly impacts your skin health and safety under the sun. Understanding UV levels helps in taking necessary precautions to prevent sunburn and long-term skin damage. With a Csa climate, San Javier experiences intense sunlight, especially between the hours of 10 AM and 3 PM, where the UV Index peaks at an alarming 12. By staying informed about the UV Index, you can enjoy the beautiful outdoor environment while protecting yourself from harmful UV radiation.

Hourly UV Index in San Javier

As the day unfolds, the UV Index reveals a dynamic pattern of sun intensity. Starting from a modest 1 at 07:00, the sun gradually ramps up its power, reaching 2 by 08:00. The intensity picks up significantly, hitting 6 at 10:00, before sharply peaking at 12 around 13:00 and 14:00, indicating the highest risk for unprotected skin. As afternoon transitions to evening, the index begins its decline, falling to 4 by 17:00, and tapering off to 1 by 19:00, signaling a gentle retreat of the sun's rays. This hourly data underscores the importance of sun protection during peak hours to ensure safety and enjoyment under the sun.

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	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	12	extreme	10 min
15:00	9	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 Javier

Throughout the year, UV exposure varies significantly, with high-risk months notably from February to September, where the UV Index reaches extreme levels. In March and April, peaks occur with an Index of 10 and 13, respectively, demanding cautious sun exposure. Visitors and residents are advised to take precautions during these high UV periods, such as wearing protective clothing, applying sunscreen, and seeking shade, particularly when the burn time drops to as low as 10 minutes in late spring and summer months. January, November, and December experience high UV levels as well, but with longer burn times of 25 minutes, easing some urgency. Always stay informed about daily UV levels and plan outdoor activities accordingly to minimize skin damage and health risks.

Monthly Maximum UV Index for San Javier, Mexico

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

The table above highlights how UV exposure in San Javier 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 Javier'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 Javier	6	9	10	13	13	12	12	12	12	10	7	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