UV Index in Nanacatlan, Mexico

Last updated: May 3, 2025

Understanding the UV Index in Nanacatlán, Mexico is crucial for safeguarding your skin against harmful ultraviolet rays. With peak UV levels often reaching 12 during the midday hours, awareness of these numbers can play a vital role in preventing sunburn and maintaining long-term skin health. The region’s Cfa climate brings warm temperatures and high UV exposure, making it essential for residents and visitors alike to gauge their sun habits correctly. By familiarizing yourself with the UV Index, you can enjoy the beautiful sunny days of Nanacatlán while minimizing your risk of skin damage.

Hourly UV Index in Nanacatlan

The UV Index throughout the day paints a vivid picture of sun intensity, peaking dramatically around noon. Starting at a modest 1 at 7:00 AM, the index gently climbs to 3 by 9:00 AM, before hitting a striking 6 at 10:00 AM. As the sun rises higher, the UV Index reaches its zenith at 12:00 PM with a blistering score of 12, and then surges to a peak of 14 by 1:00 PM. The intensity begins to wane in the afternoon, dropping to 11 at 3:00 PM and further declining to 4 by 5:00 PM. As evening approaches, a safe 2 is reached by 6:00 PM, and the day ends with a gentle 1 by 7:00 PM. It’s a clear reminder to stay protected during the peak hours when the sun’s rays are at their strongest!

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	9	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	8	very high	15 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Nanacatlan

Throughout the year, UV index levels vary significantly, with the highest risk months occurring from February to October. During this period, the UV index reaches extreme levels, peaking at 14 in May, June, and July, where the burn time is as short as 10 minutes. Notably, March and April also present extreme conditions, making it crucial for visitors and residents to take precautions. The months of November and December show a slight reduction with a UV index of 9 and 8 respectively, falling into the very high exposure category, suggesting that UV protection remains important even in winter. To stay safe, everyone is advised to wear sunscreen, protective clothing, and sunglasses, and to limit sun exposure during peak hours, particularly in the spring and summer months.

Monthly Maximum UV Index for Nanacatlan, Mexico

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

The table above highlights how UV exposure in Nanacatlan 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.

Nanacatlan'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
Nanacatlan	8	11	12	13	14	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