UV Index in San Javier, Mexico

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in San Javier, Mexico, especially given the area's BSh climate that brings warm temperatures and plenty of sunshine year-round. The UV levels here can soar significantly, with a peak index of 12 around midday, emphasizing the importance of safeguarding your skin against harmful sun exposure. By staying informed about the UV Index, you can effectively prevent sunburn and protect your skin health, enabling you to fully enjoy the beautiful outdoor activities that San Javier has to offer. Don't let the sun catch you off guard—know the risks and stay protected!

Hourly UV Index in San Javier

During the morning hours, the UV Index starts off low at 1 at 7:00 AM, indicating minimal risk of harm from unprotected sun exposure. As the day progresses, the intensity ramps up, peaking at 12 around 12:00 PM and 1:00 PM, suggesting a high risk for harm, especially for those spending extended periods outdoors. Post-peak, the index gradually declines, dropping to 7 at 3:00 PM and further down to 1 by 7:00 PM, which indicates a return to minimal risk as the sun sets. For sun enthusiasts, midday offers the most intense UV radiation, making sun protection essential during those 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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in San Javier

The UV Index exhibits significant seasonal fluctuations, peaking during the summer months with values consistently at 12, categorized as extreme from April through August. The highest-risk months for UV exposure are February to April, when the index reaches its maximum of 12 and burn times drop to a mere 10 minutes. Visitors and residents should prioritize sun protection during these months, utilizing sunscreen, wearing protective clothing, and seeking shade during peak hours. As autumn approaches, the UV Index gradually declines, with October still presenting a high risk at 9; however, by December, it falls to a moderate level of 5, allowing for longer safe exposure times of approximately 30 minutes. Adjusting sun safety practices according to these changes will help mitigate risks associated with UV radiation.

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	8	10	12	12	12	12	11	11	9	7	5
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