UV Index in San Martin, Mexico

Last updated: June 2, 2025

In San Martin, Mexico, understanding the UV Index is crucial for protecting your skin from the sun's harmful rays. With peak UV levels reaching a staggering 14 in the midday hours, awareness of these fluctuations can help you prevent sunburn and safeguard your long-term skin health. The dry, BSk climate of San Martin means that residents and visitors alike should take extra precautions, especially during the intense sun hours between 10 AM and 2 PM. By staying informed about the UV Index, you can enjoy the beautiful outdoors without compromising your well-being.

Hourly UV Index in San Martin

The UV Index data reveals a striking daily peak in solar intensity, starting from a mere 0 at 07:00 and soaring to a blistering 14 by 14:00. Between 11:00 and 13:00, the sun's rays reach a dangerous level of 11 to 13, emphasizing the importance of protection during these hours. As the day progresses, values begin to taper off, with the index falling to 7 by 17:00 and down to 1 by evening, making the morning and early afternoon crucial times for sun safety. Remember, when the sun is at its brightest, so should your sunscreen!

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	5	moderate	30 min
11:00	8	very high	15 min
12:00	11	extreme	10 min
13:00	13	extreme	10 min
14:00	14	extreme	10 min
15:00	13	extreme	10 min
16:00	10	very high	15 min
17:00	7	high	25 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in San Martin

The UV Index in the region shows significant seasonal variation, with the highest values occurring from February to October, where exposure is categorized as extreme for the majority of this period. March and April register the peak UV Index at 13 and 15, respectively, resulting in a burn time of only 10 minutes, emphasizing the need for caution. High-risk months include February through October, when residents and visitors should prioritize sun safety measures. During January, November, and December, while still presenting a very high UV Index of 8 or 9, the burn time increases to 15 minutes, allowing for slightly more leniency. To protect against skin damage, it is crucial to wear sunscreen, seek shade, and wear protective clothing, especially during the peak hours of sunlight throughout the high-risk months.

Monthly Maximum UV Index for San Martin, Mexico

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

The table above highlights how UV exposure in San Martin 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 Martin'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 Martin	8	11	13	15	15	14	14	14	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