UV Index in San Jose Masiaca, Mexico

Last updated: June 2, 2025

In San Jose Masiaca, Mexico, understanding the UV Index is essential for safeguarding your skin in a region known for its hot semi-arid climate. The UV Index measures the strength of ultraviolet radiation on a given day, reaching dangerous levels between 10 AM and 2 PM, peaking at a blistering 12. Being aware of these levels is crucial, as it helps prevent sunburn and long-term skin damage, ensuring you enjoy the sunny days safely. With typically high UV exposure risks in this vibrant locale, staying informed can make all the difference in protecting your skin health while you soak up the sun.

Hourly UV Index in San Jose Masiaca

As the sun rises, the UV Index starts off low at 1 by 07:00. However, by 09:00, it climbs rapidly to 6, signaling a shift towards increasing intensity. The peak occurs at 12:00, where the UV Index reaches a significant 12, indicating a high risk of harm from unprotected sun exposure. As the afternoon progresses, values begin to decline, dropping to 9 by 14:00 and tapering off to 4 by 16:00. By the evening hours, the numbers dwindle back down to 1 by 18:00 and remain there until 19:00. Be mindful of the midday sun to protect your skin when the UV levels are at their highest!

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	11	extreme	10 min
14:00	9	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 Jose Masiaca

Throughout the year, the UV Index exhibits significant seasonal changes, with the highest risk of UV exposure occurring from March to September. During these months, the index remains at an extreme level of 12, necessitating only 10 minutes of sun exposure before risking skin burns. Notably, February and October also pose threats with UV indices reaching 8 and 10, respectively, categorized as very high. Conversely, the months of January, November, and December see a reduction in UV levels, with indices dropping to 6 or 7 and a longer burn time of up to 25 minutes. Consequently, it is crucial for visitors and residents to prioritize sun safety, particularly during the high-risk months from March to September, by wearing protective clothing, applying sunscreen, and seeking shade during peak hours.

Monthly Maximum UV Index for San Jose Masiaca, Mexico

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

The table above highlights how UV exposure in San Jose Masiaca 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 Masiaca'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 Jose Masiaca	6	8	10	12	12	12	12	12	12	10	7	6
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