UV Index in Janitzio, Mexico

Last updated: May 3, 2025

Understanding the UV Index in Janitzio, Mexico is crucial for protecting your skin and overall health. With elevated UV levels, particularly during midday hours, awareness can significantly help prevent sunburn and long-term skin damage. The island's Cwa climate creates a unique environment where UV exposure can peak at an intense 14 around noon, highlighting the need for caution. By familiarizing yourself with the daily UV patterns and understanding their implications, you can enjoy the sun responsibly while preserving your skin health in this beautiful destination.

Hourly UV Index in Janitzio

The UV Index for the day showcases a dramatic rise in intensity as the sun climbs higher in the sky. Starting from a calm 0 at 07:00, it gradually ticks upward, reaching 1 by 08:00. As the clock strikes 10:00, the UV Index surges to 5, and by 11:00, it climbs to a robust 9. The peak occurs at 13:00 and 14:00, where it hits a thrilling 14—a clear warning for sun protection. As the afternoon wanes, the intensity begins to drop, falling to 9 by 16:00, and further down to 5 at 17:00. The day wraps up with a gentle decline, ending with a low 1 by 19:00. As such, it’s essential to stay vigilant during the peak hours, particularly between 11:00 and 14:00, to enjoy the sun safely!

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	9	very high	15 min
12:00	12	extreme	10 min
13:00	14	extreme	10 min
14:00	14	extreme	10 min
15:00	12	extreme	10 min
16:00	9	very high	15 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Janitzio

Throughout the year, there are significant fluctuations in UV levels, with the highest indices occurring from February to October. This period sees extreme UV conditions, particularly from March to October where the UV Index consistently registers 14 to 15. January and November reflect very high exposure (UV Index 10) with a burn time of 15 minutes, while December sees a slight dip to a UV Index of 9. Visitors and residents are strongly advised to take precautions during the months of February to October, as these are categorized as high-risk months for skin damage, with a burn time of only 10 minutes. Wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours are essential measures to safeguard against harmful UV exposure.

Monthly Maximum UV Index for Janitzio, Mexico

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

The table above highlights how UV exposure in Janitzio 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.

Janitzio'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
Janitzio	10	12	14	15	14	14	14	14	14	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