UV Index in Fresnillo, Mexico

Last updated: June 2, 2025

In Fresnillo, Mexico, being aware of the UV Index is essential for maintaining skin health and preventing sunburn. With the region's BSk climate, residents and visitors alike face significant UV exposure, especially during peak hours, when the index can soar to levels that warrant caution. Understanding these UV levels is crucial not only for enjoying the sun safely but also for reducing long-term skin damage. As you navigate the vibrant sun-drenched days of Fresnillo, arm yourself with knowledge about UV risks and protective measures to ensure your outdoor experiences are both enjoyable and safe.

Hourly UV Index in Fresnillo

The UV Index for today presents an intriguing journey through the day’s hours. Starting off at a notable low of 0 at 7:00 AM, it gradually picks up as the sun rises, reaching 1 by 8:00 AM. A marked increase occurs around mid-morning, with the index soaring to 5 by 10:00 AM and peaking at an impressive 14 between 1:00 PM and 2:00 PM. This high intensity signifies a vital need for sun protection! As the afternoon progresses, the UV index begins to decline, dipping to 10 at 4:00 PM and tapering down to 1 by 7:00 PM. It’s essential to stay vigilant, particularly during midday hours, to ensure safety under 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	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	13	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 Fresnillo

The UV Index exhibits significant seasonal variations, with the highest values typically recorded between February and October. During these months, particularly March through October, the UV Index reaches extreme levels, peaking at 15 in both April and May, providing only a brief burn time of 10 minutes. January and December are classified as very high with values of 8, allowing a slightly longer burn time of 15 minutes. As high-risk months, February to October demand increased awareness and protection methods to prevent sunburn and longer-term health issues. Visitors and residents are strongly advised to apply broad-spectrum sunscreen, wear protective clothing, and seek shade during peak hours to mitigate the risks associated with intense UV exposure.

Monthly Maximum UV Index for Fresnillo, Mexico

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

The table above highlights how UV exposure in Fresnillo 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.

Fresnillo'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
Fresnillo	8	11	13	15	15	14	14	14	14	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