UV Index in Tlachaloya, Mexico

Last updated: June 2, 2025

In Tlachaloya, Mexico, understanding the UV Index is crucial for maintaining optimal skin health and preventing sunburn. As a region influenced by a Cwb climate, residents and visitors alike face varying levels of ultraviolet radiation throughout the day, peaking at a staggering 15 between 1 PM and 2 PM. Being aware of these levels can help you protect yourself from harmful effects, ensuring you enjoy the sun safely. Whether you’re soaking up rays or taking part in outdoor activities, knowing the UV Index can be your best ally in safeguarding your skin against damage while enjoying the beautiful Tlachaloya landscape.

Hourly UV Index in Tlachaloya

The UV Index today unveils a steady rise in sun intensity as the day progresses. Morning hours start off gently, with values peaking at 1 by 08:00. However, as the clock strikes 10:00, be prepared for a dramatic increase, reaching a notable 6. The sun’s strength escalates sharply as we approach midday, soaring to a striking 13 by 12:00. The highest point arrives at 13:00 and 14:00, with both hours hitting 15, indicating a significant risk for unprotected skin. As the afternoon wanes, the index gradually declines, falling to 9 by 16:00, and tapering off to 1 by 19:00. Stay protected during those peak hours for a safe and enjoyable day in the sun!

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	13	extreme	10 min
13:00	15	extreme	10 min
14:00	15	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 Tlachaloya

Throughout the year, the UV Index experiences significant fluctuations, peaking during the warmer months. From January to February, the UV levels increase sharply, reaching an extreme rating of 12 in February, with a burn time of just 10 minutes. The high-risk months for sun exposure are March through October, where the UV Index consistently remains at 14 or 15, all categorized as extreme with a burn time of 10 minutes. Residents and visitors should exercise caution during these months by wearing protective clothing, applying sunscreen, and seeking shade to minimize the risk of sunburn. As the year progresses, UV levels decline in November and December, returning to a very high category of 10 and 9, respectively—still warranting careful sun protection measures, particularly during peak hours.

Monthly Maximum UV Index for Tlachaloya, Mexico

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

The table above highlights how UV exposure in Tlachaloya 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.

Tlachaloya'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
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
Tlachaloya	10	12	15	15	16	15	14	14	14	12	10	9
Puebla UVI	10	12	14	15	15	15	15	14	14	13	10	9