UV Index in Sasamulco, Mexico

Last updated: May 3, 2025

In Sasamulco, Mexico, understanding the UV Index is crucial for safeguarding your skin and maintaining overall health. The UV Index warns us about the strength of ultraviolet radiation, which peaks during midday hours and can lead to sunburns, premature aging, and increased skin cancer risk if we aren't careful. With a climate categorized as Aw, Sasamulco experiences high UV levels, especially from 11:00 AM to 2:00 PM, where readings soar to 11 and 13. Staying informed about daily UV levels empowers you to take the necessary precautions — whether it’s wearing sunscreen, seeking shade, or limiting sun exposure — to enjoy the beautiful weather while protecting your skin's health.

Hourly UV Index in Sasamulco

At 07:00 and 08:00, the UV Index remains low, peaking at 1, making it a safe time for outdoor activities. However, as the day progresses, the sun’s intensity ramps up sharply. By 10:00, the index reaches 5, climbing to a striking 11 by noon. The day hits its peak at 13:00 and 14:00, with a UV Index of 13, warranting caution and sun protection. As the afternoon unfolds, you’ll find a gradual decline: readings drop to 11 at 15:00, then 8 at 16:00, further easing to 2 by 18:00, and finally settling back to 1 by 19:00. Remember, to enjoy the sun safely, consider protective measures during the high UV hours!

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	1	low	45 min
09:00	2	low	45 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	11	extreme	10 min
13:00	13	extreme	10 min
14:00	13	extreme	10 min
15:00	11	extreme	10 min
16:00	8	very high	15 min
17:00	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Sasamulco

Throughout the year, UV levels exhibit significant seasonal fluctuations, with the highest risks occurring from February to September, where the UV Index consistently reaches extreme levels of 12 to 14. During these months, the burn time is as short as 10 minutes, making it crucial for both visitors and residents to take protective measures. The peak UV Index occurs in April, June, July, and September at 14, marking them as particularly hazardous months. In contrast, from November to January, UV levels decrease, but January and February still present high (10-12) and extreme risks. Therefore, individuals are strongly advised to utilize sunscreen, wear protective clothing, and seek shade, especially during the high-risk months to minimize UV exposure.

Monthly Maximum UV Index for Sasamulco, Mexico

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

The table above highlights how UV exposure in Sasamulco 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.

Sasamulco'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
Sasamulco	10	12	13	14	13	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