UV Index in San Luis Rey, Mexico

Last updated: July 2, 2025

In San Luis Rey, Mexico, understanding the UV Index is essential for protecting your skin and overall health. With its Cwb climate, this vibrant region experiences fluctuating UV levels throughout the day, often peaking at an intense 11-13 between noon and early afternoon. Awareness of these levels is crucial to prevent painful sunburns and long-term skin damage. As you enjoy the beautiful outdoor scenery, staying informed about UV exposure risks can help you make smart choices about sun protection and ensure your experiences under the sun remain safe and enjoyable.

Hourly UV Index in San Luis Rey

At dawn, the UV Index begins its ascent, starting at a cool 0 at 7:00 AM. As the sun climbs higher, from 8:00 AM to 10:00 AM, it gradually rises to 4, indicating a low risk of harm from unprotected sun exposure. However, by 11:00 AM, a surge in intensity brings the index to 8, signaling a moderate level of UV radiation. The peak occurs at 12:00 PM and 1:00 PM, reaching a striking 11 and 13, showcasing a high risk that calls for protective measures. As the afternoon wanes, the index gently declines, hitting 12 at 3:00 PM before tapering off to 9 at 4:00 PM and finally falling back to 1 by 7:00 PM. It's a day where the sun demands both respect and vigilance!

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	8	very high	15 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	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 San Luis Rey

Throughout the year, the UV Index experiences significant fluctuations, with the highest risk months occurring from February to September, when the index reaches extreme levels of 11 to 14 and requires minimal exposure times of just 10 minutes to avoid sunburn. In contrast, the months of November and December see the UV Index drop to 9 and 8 respectively, categorized as very high with longer burn times of 15 minutes. Residents and visitors are advised to take extra precautions during the peak months, such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours, to safeguard against harmful UV radiation.

Monthly Maximum UV Index for San Luis Rey, Mexico

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

The table above highlights how UV exposure in San Luis Rey 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 Luis Rey'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
San Luis Rey	9	11	14	14	14	14	13	13	14	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