UV Index in Tonalapa, Mexico

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Tonalapa, Mexico, where the climate is characterized by warm temperatures that elevate the risk of UV exposure. The UV Index serves as a valuable guide in preventing sunburn and safeguarding your skin health. With midday values soaring as high as 14, it's essential to stay informed about UV levels throughout the day, especially in this sun-kissed region. By monitoring the UV Index, you can take proactive steps to protect yourself from harmful effects, ensuring that your time outdoors is both enjoyable and safe.

Hourly UV Index in Tonalapa

Starting from the early hours of the day, the UV Index begins at a low 1 at 07:00, gradually climbing to 3 by 09:00. As the morning progresses, the intensity ramps up significantly, peaking at an impressive 14 around 13:00. The sun’s strength remains formidable, with a 12 at 12:00 and 10 at 11:00. After this midday apex, the UV levels start to decline—dropping to 11 by 15:00 and tapering to 4 at 17:00. As evening approaches, the index returns to a safe 1 by 19:00, signaling a gentle end to the day's solar exposure. It's essential to take precautions during the peak hours, especially between 10:00 and 14:00, when UV radiation is at its most intense.

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	3	moderate	30 min
10:00	6	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	14	extreme	10 min
14:00	13	extreme	10 min
15:00	11	extreme	10 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Tonalapa

Throughout the year, UV index levels dramatically fluctuate, with the highest risk occurring from February to October. The extreme UV Index reaches its peak in June and July at 14, demanding vigilant sun protection measures. During these high-risk months, minimal burn times of just 10 minutes are recorded, signifying that unprotected skin can be harmed in mere moments. January and November experience a slight decrease with a very high UV Index of 9 and a burn time of 15 minutes, while December and October are at 8 and 12 respectively, still warranting caution. Visitors and residents should ensure to apply broad-spectrum sunscreen, wear protective clothing, and seek shade during peak sun hours, particularly between February and October, to safeguard against harmful UV radiation.

Monthly Maximum UV Index for Tonalapa, Mexico

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

The table above highlights how UV exposure in Tonalapa 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.

Tonalapa'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
Tonalapa	9	11	12	13	13	14	14	13	13	12	9	8
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