UV Index in San Jose Grande, Mexico

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in San Jose Grande, Mexico, where the sun's rays can be particularly intense. The UV Index helps you gauge the strength of ultraviolet (UV) radiation and take appropriate precautions to prevent sunburn and protect your skin health. With a tropical climate characterized by long sunny days, San Jose Grande sees a high risk of UV exposure, especially during peak hours when the index soars to levels as high as 14. By staying informed about UV levels, you can enjoy the outdoors while safeguarding your skin from harmful effects.

Hourly UV Index in San Jose Grande

The UV Index today shows a dynamic range of exposure throughout the day, starting from a gentle 0 at 7:00 AM. As the sun rises, watch the index steadily climb, reaching 11 by noon and peaking at an intense 14 at 2:00 PM. For those venturing outside, it's crucial to seek shade or wear sunscreen during the hours of 11 AM to 3 PM, when the UV levels are at their highest. After 3:00 PM, the UV Index begins to taper off—dropping to 6 by 5:00 PM, and settling at a mild 1 by 7:00 PM. Staying vigilant during peak hours will ensure a safe and enjoyable day under the sun!

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	4	moderate	30 min
11:00	7	high	25 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	6	high	25 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in San Jose Grande

Throughout the year, the UV Index displays significant seasonal changes, peaking during the warmer months. From January to April, the UV Index begins at 9 (very high) and escalates to 14 (extreme) by March. The summer months of May through September consistently maintain a high UV Index of 14, indicating extreme exposure risk, before slightly declining in October to 11 and then to 9 in November and 8 in December (both very high). The high-risk months for UV exposure are February through September, with burn times as short as 10 minutes, underscoring the importance of protective measures during this period. Visitors and residents are advised to take proactive steps against UV exposure, including wearing sunscreen, protective clothing, and eyewear, especially during peak hours between 10 AM and 4 PM.

Monthly Maximum UV Index for San Jose Grande, Mexico

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

The table above highlights how UV exposure in San Jose Grande 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 Grande'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 Grande	9	11	14	14	14	14	14	13	14	11	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