UV Index in Colotlan, Mexico

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Colotlan, Mexico, where the Cwb climate brings a unique blend of tropical warmth and seasonal changes. As the sun climbs higher, UV levels can soar, peaking at an extreme 14 during midday hours, which significantly increases the risk of sunburn and long-term skin damage. Being aware of these UV levels enables you to take necessary precautions, safeguarding your skin and overall health. By staying informed, you can enjoy the beautiful outdoor environment of Colotlan while effectively minimizing the risks associated with high UV exposure.

Hourly UV Index in Colotlan

During the day, the UV Index experiences a dramatic rise, starting at 0 at 7:00 AM and reaching its peak of 14 by 2:00 PM. The ascent is gradual, with values climbing from 1 at 8:00 AM and hitting 4 by 10:00 AM. As the sun reaches its zenith, the intensity of UV rays intensifies, soaring to 11 at 12:00 PM and peaking at 13 by 1:00 PM. However, after 2:00 PM, a notable decline begins, with the index dropping steadily to 6 at 5:00 PM, and further dwindling to 1 by 7:00 PM. It's a classic example of nature’s cycle, showcasing the importance of sun protection during peak 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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	8	very high	15 min
12:00	11	extreme	10 min
13:00	13	extreme	10 min
14:00	14	extreme	10 min
15:00	12	extreme	10 min
16:00	10	very high	15 min
17:00	6	high	25 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Colotlan

Throughout the year, UV exposure levels show significant variation, with the highest risk months occurring from February to October, where the UV Index consistently remains in the extreme (11-15) category, posing a serious risk for skin damage. Notably, March and April present the peak UV index at 13 and 15, respectively, with a recommended burn time of just 10 minutes under direct sunlight. As the seasons transition into November and December, the UV Index decreases to 10 and 8, categorized as very high, which allows for slightly longer exposure times of 15 minutes. Visitors and residents are advised to take extra precautions during these high-risk months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade to minimize direct exposure, especially during midday hours.

Monthly Maximum UV Index for Colotlan, Mexico

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

The table above highlights how UV exposure in Colotlan 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.

Colotlan'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
Colotlan	9	11	13	15	14	14	14	14	13	12	10	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