UV Index in Chalcatzingo, Mexico

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors in Chalcatzingo, Mexico, where the combination of its warm climate and high elevation can lead to significant sun exposure. With UV levels peaking between 12:00 PM and 2:00 PM—reaching a maximum of 14—awareness is key to preventing sunburn and protecting skin health. Regularly checking the UV Index can help you make informed decisions about outdoor activities, ensuring you take necessary precautions during the hottest parts of the day. Stay sun-safe in Chalcatzingo, where the sun shines brightly and the risks of UV radiation are ever-present.

Hourly UV Index in Chalcatzingo

As the sun rises, the UV Index begins its climb from a gentle 1 at 07:00, nudging upwards to 2 by 09:00. By mid-morning, the intensity escalates to 5 at 10:00, signaling the need for some sun safety. The peak arrives at noon with a sizzling 12, reaching a blistering 14 by 13:00 and 14:00, marking the hours of most intense sun exposure. As afternoon fades, the UV Index gradually recedes to 12 at 15:00, before cooling further to 5 by 17:00, and finally winding down to 1 by 19:00. During the peak hours, make sure to stay protected and enjoy the sunshine responsibly!

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	11	extreme	10 min
13:00	13	extreme	10 min
14:00	14	extreme	10 min
15:00	12	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 Chalcatzingo

During the year, the UV Index in this region demonstrates notable seasonal variations. The highest UV levels occur from March to October, categorized as extreme, with consistent readings of 14, where the burn time is only 10 minutes. February, with a UV Index of 12, and January at 10, are the last months of high risk before the persistent peak from March to October. Notably, November and December see a decline to 9 and 8, respectively, categorized as very high with increased burn times of 15 minutes. Visitors and residents are advised to exercise caution during March through October, minimizing direct sun exposure and using adequate sun protection such as sunscreen, hats, and sunglasses to prevent harmful UV damage.

Monthly Maximum UV Index for Chalcatzingo, Mexico

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

The table above highlights how UV exposure in Chalcatzingo 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.

Chalcatzingo'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
Chalcatzingo	10	12	14	14	14	14	14	14	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