UV Index in Chapalilla, Mexico

Last updated: July 2, 2025

In Chapalilla, Mexico, understanding the UV Index is crucial for protecting yourself against harmful sun exposure. With soaring UV levels, peaking at 13 around midday, being aware of UV levels helps prevent sunburn and promotes long-term skin health. The region's Csa climate means plenty of sunshine, increasing the risk of UV exposure throughout the day. By staying informed about the UV Index, residents and visitors alike can take the necessary precautions to enjoy the beautiful weather safely.

Hourly UV Index in Chapalilla

The UV Index today showcases a dramatic rise in sun exposure as the day progresses. Starting at 7:00 AM with a mild value of 1, the index climbs steadily to reach 4 by 9:00 AM. However, it's around 11:00 AM that the UV radiation peaks at 10, escalating further to a maximum of 12 at noon. The sun’s intensity continues to be fierce, reaching a high of 13 by 1:00 PM before gradually tapering off. From 2:00 PM, the index starts its descent, hovering at 12 and then dropping to 9 by 3:00 PM. As the afternoon transitions into evening, the UV levels diminish significantly, resting at 1 by 7:00 PM. For anyone spending time outdoors, taking precautions during the peak hours is crucial to ensure safety from harmful UV rays.

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	7	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	12	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 Chapalilla

The UV Index exhibits significant seasonal fluctuations, with the highest levels typically occurring from March to October, when exposure is classified as extreme for most months. April holds the peak UV Index at 14, resulting in a minimal burn time of just 10 minutes. The months of January and February also present high risk, characterized by very high indices of 8 and 10, respectively, where a burn can occur in as little as 15 minutes. Visitors and residents should take precautions, especially during March through October, by wearing protective clothing, applying sunscreen, and seeking shade to mitigate the risks of overexposure. As the UV Index drops in November and December, with values of 9 and 7, the risk decreases, allowing for safer outdoor activities with longer burn times of 15 and 25 minutes. Overall, awareness of these seasonal changes is crucial for health and safety during outdoor activities.

Monthly Maximum UV Index for Chapalilla, Mexico

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

The table above highlights how UV exposure in Chapalilla 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.

Chapalilla'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
Chapalilla	8	10	13	14	13	14	13	13	13	11	9	7
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