UV Index in San Lucas, Mexico

Last updated: July 2, 2025

In San Lucas, Mexico, being aware of the UV Index is crucial for both residents and visitors, as it directly impacts skin health and sunburn prevention. Understanding UV levels helps you make informed decisions about sun exposure, especially during peak hours when indices soar to alarming heights, reaching a maximum of 15 around midday. With its Cwb climate, San Lucas experiences significant UV radiation, particularly in the dry season, making it vital to protect yourself from harmful sun rays. Stay informed and enjoy the sun safely by keeping an eye on the UV Index!

Hourly UV Index in San Lucas

During the day, the UV Index sees a significant rise, starting from a mild 1 at 07:00 and 08:00. By 09:00, it climbs to 3, but the real intensity kicks in at 10:00 with a surge to 6. The peak occurs at 12:00, hitting a scorching 13, followed closely by an alarming 15 at 13:00. As the afternoon progresses, the index remains elevated with values of 14 at 14:00 and gradually decreasing to 11 by 15:00. The sun’s strength declines into the evening, dropping to 7 at 16:00, then gently trailing off to 4 at 17:00, and finally winding down to 1 by 19:00. It's essential to protect your skin during those peak hours!

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

Seasonal changes in the UV Index highlight significant risks for both visitors and residents, particularly from February to October, when the UV Index reaches extreme levels. The highest risk occurs in July, with an index of 15, demanding protective measures within just 10 minutes of sun exposure. Conversely, January, November, and December show lower UV levels, classified as very high, with burn times of 15 minutes. To minimize the risk of skin damage, it is crucial during high-risk months to seek shade, wear protective clothing, and apply sunscreen frequently, especially during midday hours when the sun is at its peak intensity. Stay vigilant, and prioritize health alongside outdoor activities!

Monthly Maximum UV Index for San Lucas, Mexico

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

The table above highlights how UV exposure in San Lucas 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 Lucas'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
San Lucas	10	12	14	14	14	14	15	13	13	12	10	9
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