UV Index in San Jose del Rio, Mexico

Last updated: July 2, 2025

In San Jose del Rio, Mexico, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. With the region's BSk climate, residents and visitors alike experience significant UV exposure, especially during midday hours when the UV Index can soar to a staggering 14. Understanding these levels not only helps you plan your sun exposure wisely but also empowers you to take protective measures against harmful rays. Stay informed and keep your skin healthy while enjoying the beautiful sunny days that San Jose del Rio has to offer!

Hourly UV Index in San Jose del Rio

As the sun rises, the UV Index gradually climbs, starting at 0 at 7:00 AM—a safe time for outdoor activities. By 9:00 AM, it reaches 2, indicating a mild risk. However, as the day progresses, the intensity peaks at 12:00 PM with a high of 11, and again at 1:00 PM and 2:00 PM, both hitting an alarming 14. This represents a very high risk of harm from unprotected sun exposure, urging caution for those outdoors. The afternoon sees a slight drop, with the index falling to 9 at 4:00 PM and tapering off as the sun begins to set, closing out the day at 1 by 7:00 PM. Remember to stay protected 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	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	14	extreme	10 min
14:00	14	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 Jose del Rio

The UV Index demonstrates significant seasonal changes, peaking during the late spring and summer months. From January to March, the index starts high but quickly escalates, reaching its maximum of 15 in both April and May. The months of February to October pose the highest risk, with an extreme exposure category, where the burn time is notably short at 10 minutes. Visitors and residents should be particularly vigilant during these high-risk months, especially from February to October, and adopt protective measures such as wearing sunscreen, hats, and protective clothing. As we approach the fall and winter months, the UV risk decreases but remains notably high in November and December. It is essential to stay informed and protect your skin year-round.

Monthly Maximum UV Index for San Jose del Rio, Mexico

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

The table above highlights how UV exposure in San Jose del Rio 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 Jose del Rio'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 Jose del Rio	9	11	14	15	15	14	14	14	14	12	10	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