UV Index in Tonalapa del Sur, Mexico

Last updated: July 2, 2025

Awareness of the UV Index is vital for residents and visitors of Tonalapa del Sur, Mexico, where the warm Aw climate brings abundant sunshine year-round. Understanding UV levels plays a crucial role in preventing sunburn and protecting skin health, particularly during peak hours when the UV Index reaches its highest at 12:00 PM, soaring to a staggering 14. With sunlight duration extending throughout the day, being informed about the UV Index helps you take necessary precautions, ensuring enjoyable and safe outdoor activities while minimizing the risk of harmful UV exposure.

Hourly UV Index in Tonalapa del Sur

The UV Index for the day reveals a dramatic rise in sun exposure as the hours progress. Starting from a maximum of 0 at 07:00, the index climbs to a mild 1 at 08:00 and continues to escalate, hitting 2 by 09:00. The intensity peaks sharply at 12:00 with a striking 12. From there, the sun's rays reach their zenith at 13:00 and 14:00 with a peak UV Index of 14, prompting caution for outdoor activities. As the afternoon wanes, the index gradually declines, resting at 9 at 16:00, then settling down to 3 by 18:00, and finally returning to a safer 1 at 19:00. Be sure to gear up with sunscreen during those peak hours to stay protected!

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	8	very high	15 min
12:00	12	extreme	10 min
13:00	14	extreme	10 min
14:00	14	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 Tonalapa del Sur

Throughout the year, UV levels exhibit significant fluctuations, with high-risk months spanning from February to October, when the UV Index reaches extreme levels between 11 and 14, resulting in a rapid burn time of as little as 10 minutes. January and November also present very high UV conditions, with slightly longer burn times of 15 minutes. Visitors and residents should take precautions during these critical months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours. Safeguarding against overexposure is essential to prevent sunburn and long-term skin damage.

Monthly Maximum UV Index for Tonalapa del Sur, Mexico

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

The table above highlights how UV exposure in Tonalapa del Sur 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 del Sur'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
Tonalapa del Sur	10	11	14	14	13	14	14	13	14	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