UV Index in San Jose de Guaymas, Mexico

Last updated: May 3, 2025

Understanding the UV Index in San Jose de Guaymas, Mexico is crucial for both residents and visitors navigating the sunny, desert climate of this coastal gem. With UV levels soaring to 12 during the peak midday hours, awareness of these readings is key to preventing sunburn and maintaining long-term skin health. Given the region's BWh climate, where sunny days are the norm, being informed about the daily UV exposure risks can help you enjoy the outdoors safely while protecting your skin from harmful rays. Stay vigilant and embrace the sun wisely!

Hourly UV Index in San Jose de Guaymas

The UV Index on this sunny day showcases a striking pattern, starting from a mere 1 at 07:00 and steadily climbing as the sun rises. By 09:00, it reaches 5, indicating an increasing need for sun protection. The peak occurs at 12:00, where it soars to a blistering 12—a clear reminder to seek shade and apply sunscreen. The intensity begins to wane in the afternoon, dropping to 9 at 14:00 and further declining to 4 by 16:00. As evening approaches, the index gently falls back to 1 by 19:00, marking the end of a day characterized by heightened sun exposure. Stay safe 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	1	low	45 min
08:00	3	moderate	30 min
09:00	5	moderate	30 min
10:00	8	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 de Guaymas

Throughout the year, UV exposure varies significantly, with the highest risk months occurring from April to September, where the UV Index reaches extreme levels of 11-12 and the burn time is as low as 10 minutes. Notably, February and March also present a very high risk, with indices of 8-9 and a burn time of just 15 minutes. As such, it is crucial for both visitors and residents to take precautions during these months, including wearing broad-spectrum sunscreen, protective clothing, and UV-blocking sunglasses. In contrast, January, November, and December present moderate to high exposure levels, making it safer, with longer burn times of 25 to 30 minutes. Regardless of the season, awareness and proactive measures can help minimize UV damage.

Monthly Maximum UV Index for San Jose de Guaymas, Mexico

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

The table above highlights how UV exposure in San Jose de Guaymas 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 de Guaymas'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 de Guaymas	5	8	9	11	12	12	12	11	11	9	6	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