UV Index in San Andres, Mexico

Last updated: June 2, 2025

Understanding the UV Index is crucial for everyone in San Andres, Mexico, where the sun’s rays can be particularly intense throughout the year. With the region's tropical climate, UV levels can soar to a maximum of 12 during midday, making it essential to recognize and respond to these fluctuations. Being aware of UV levels not only helps in preventing sunburn but also plays a significant role in maintaining overall skin health. As you enjoy the beautiful beaches and outdoor activities San Andres has to offer, keeping an eye on the UV Index ensures you can bask in the sun safely while protecting yourself from its harmful effects.

Hourly UV Index in San Andres

During the early hours of the day, the UV Index starts off low at 1 at 7:00 AM, gradually rising as the sun climbs higher in the sky. By 10:00 AM, it reaches a moderate level of 6, with the intensity peaking at 12 from 12:00 PM to 1:00 PM—the time when sun protection is crucial. As the afternoon unfolds, the UV levels taper off, hitting 9 at 3:00 PM before steadily declining to 1 by 7:00 PM. This data underscores the importance of staying mindful of sun exposure, especially during the peak hours when the UV Index is at its 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	2	low	45 min
09:00	4	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in San Andres

Throughout the year, the UV Index experiences significant fluctuations, highlighting the importance of sun safety for both visitors and residents. The high-risk months for UV exposure are February to October, where the UV Index reaches its peak at 13 in April and May, indicating an extreme exposure category with a burn time as short as 10 minutes. Even in November, the UV Index remains at a very high level of 8, necessitating caution. To mitigate the risks of overexposure, it is essential to seek shade, wear protective clothing, and apply sunscreen, especially during these peak months when the potential for skin damage is greatest. Remember, while January and December show lower UV levels, maintaining sun safety habits year-round is advisable.

Monthly Maximum UV Index for San Andres, Mexico

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

The table above highlights how UV exposure in San Andres 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 Andres'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 Andres	7	10	12	13	13	12	12	12	12	11	8	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