UV Index in Calvillo, Mexico

Last updated: June 2, 2025

Understanding the UV Index in Calvillo, Mexico is crucial for protecting your skin from harmful UV radiation. With the sun's rays peaking at a staggering UV level of 14 during midday, awareness of these levels is essential for sunburn prevention and long-term skin health. Calvillo's Csa climate means warm summers and mild winters, but the intensity of UV exposure remains a significant risk year-round. Stay informed and enjoy the sun safely by keeping an eye on the UV Index!

Hourly UV Index in Calvillo

As the day unfolds, the UV Index showcases a fascinating progression. Starting off at a gentle 0 at 7:00 AM, it gradually climbs to a modest 1 by 8:00 AM. The intensity picks up at 9:00 AM, reaching 2, and then takes a notable leap to 5 by 10:00 AM. The sun reaches its peak at 12:00 PM, where the index soars to a striking 11, signaling a high level of ultraviolet radiation. This intensity escalates further, hitting an impressive 14 at 2:00 PM—the highest point of the day. As the afternoon transitions to evening, the index begins to taper off, dropping to 12 at 3:00 PM, then sliding to 9 at 4:00 PM, and finishing the day at a soft 1 by 7:00 PM. It's a reminder for everyone to stay protected under the sun, especially during those 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	5	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	9	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 Calvillo

Throughout the year, UV levels fluctuate significantly, with peak exposure occurring from February to October. March through October is identified as high-risk months, featuring an extreme UV Index consistently at 14 or higher and a minimal burn time of 10 minutes. Conversely, November and December show a decrease to a very high UV Index of 10 and 8, allowing for slightly longer exposure times of 15 minutes. Visitors and residents are strongly advised to take protective measures, especially during the extreme months, such as wearing sunscreen, protective clothing, and sunglasses, and seeking shade during peak daylight hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Calvillo, Mexico

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

The table above highlights how UV exposure in Calvillo 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.

Calvillo'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
Calvillo	9	11	14	15	15	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