UV Index in San Juan Cancuc, Mexico

Last updated: June 2, 2025

Understanding the UV Index in San Juan Cancuc, Mexico is crucial for safeguarding your skin health and preventing sunburn. With the region's Cwb climate, characterized by high altitudes and intense sun exposure, knowing the UV levels is essential to enjoy outdoor activities safely. Between 10 AM and 2 PM, San Juan Cancuc can see UV Index values soaring up to 14, indicating a very high risk of harm from unprotected sun exposure. By staying informed about these levels, residents and visitors alike can take proactive measures to protect themselves while basking in the region’s natural beauty.

Hourly UV Index in San Juan Cancuc

As the sun rises, the UV Index starts off low at 1 by 7:00 AM and 8:00 AM, perfect for early morning outings without much concern for sunburn. However, as the day progresses, intensity ramps up significantly, peaking at a striking 14 by 1:00 PM. The 12:00 PM hour marks an intense 13, indicating a time when sun safety becomes crucial. With values tapering off after 3:00 PM, where it drops to 10, and then gradually decreases to 1 by 7:00 PM, it's clear the midday sun is the strongest. To enjoy outdoor activities safely, be sure to slather on sunscreen and wear protective clothing during those peak UV hours!

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	7	high	25 min
11:00	10	very high	15 min
12:00	13	extreme	10 min
13:00	14	extreme	10 min
14:00	13	extreme	10 min
15:00	10	very high	15 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 San Juan Cancuc

Throughout the year, the UV Index demonstrates significant seasonal variation, with peak levels occurring from February to October. The highest risk months are March through October, where the UV Index consistently reaches 14, classified as extreme with a minimal burn time of just 10 minutes. Visitors and residents should take precautionary measures during these months, such as wearing protective clothing, applying sunscreen with high SPF, and seeking shade to minimize sun exposure. In contrast, January, November, and December experience lower UV levels, classified as very high, with burn times extending to 15 minutes. However, it's still important to remain vigilant about sun safety year-round.

Monthly Maximum UV Index for San Juan Cancuc, Mexico

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

The table above highlights how UV exposure in San Juan Cancuc 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.

San Juan Cancuc'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
Iztapalapa UVI	10	12	14	15	14	14	14	14	14	12	10	8
San Juan Cancuc	10	12	14	14	14	14	14	13	13	12	10	9
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