UV Index in San Diego de Alejandria, Mexico

Last updated: May 3, 2025

In San Diego de Alejandria, Mexico, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding the daily UV levels can empower residents and visitors to protect themselves from harmful solar radiation, especially during peak hours when the index soars to dangerous levels. With a Cwa climate that offers plenty of sunshine, San Diego de Alejandria faces unique UV exposure risks, especially between 11 AM and 3 PM when the index peaks at a striking 15. Staying informed about UV exposure is key to enjoying the sun safely while preserving your skin's health.

Hourly UV Index in San Diego de Alejandria

The UV Index fluctuates throughout the day, peaking in the early afternoon. At 07:00, it starts at a safe level of 0, gradually rising to 1 by 08:00. As the sun climbs higher, the index spikes dramatically, reaching 5 by 10:00 and soaring to a striking 12 at noon. The intensity peaks further at 13:00 with a maximum of 14, and then hits a scorching high of 15 at 14:00. As the day progresses, the UV levels begin to taper off; they drop to 13 at 15:00, then decline steadily, hitting 6 by 17:00 and tapering down to 1 by 19:00. These numbers remind us to take care during the midday hours when sun protection is essential!

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	9	very high	15 min
12:00	12	extreme	10 min
13:00	14	extreme	10 min
14:00	15	extreme	10 min
15:00	13	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 Diego de Alejandria

The UV Index shows significant seasonal changes, with the highest risk occurring from February to October. This period features an extreme UV rating, peaking at 15 in May. Residents and visitors should be particularly cautious during March to October, when the UV Index ranges from 14 to 15, allowing just 10 minutes of sun exposure before risking burns. While November to January see a decline in UV intensity, the risk remains high, particularly in November with a UV Index of 10. To protect your skin, always wear sunscreen, protective clothing, and seek shade during peak sun hours, especially in those high-risk months.

Monthly Maximum UV Index for San Diego de Alejandria, Mexico

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

The table above highlights how UV exposure in San Diego de Alejandria 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 Diego de Alejandria'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 Diego de Alejandria	9	11	14	14	15	14	13	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