UV Index in Reforma, Mexico

Last updated: May 3, 2025

Understanding the UV Index in Reforma, Mexico is essential for maintaining your skin health and preventing sunburn, especially during the peak hours of UV exposure. Given Reforma's BSk climate, characterized by its dry and sunny conditions, awareness of UV levels helps residents and visitors alike make informed decisions about sun protection. With UV levels rising sharply to a maximum of 15 around midday, it becomes crucial to take precautions to minimize the risk of harmful effects from the sun's rays. Stay informed, stay safe, and enjoy the sun responsibly!

Hourly UV Index in Reforma

As the sun rises, the UV Index starts off modestly, peaking at 1 by 8:00 AM. However, as the day progresses, it experiences a dramatic surge. Expect a notable climb by 10:00 AM, hitting 5, and then reaching its zenith at 1:00 PM with an impressive 15. The intensity remains high throughout the afternoon, only slightly easing towards the evening. By 6:00 PM, the index drops to 3, and settles back to 1 by 7:00 PM. It's a reminder to stay sun-safe during peak hours, especially from 11:00 AM to 2:00 PM, when the UV radiation is strongest!

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	2	low	45 min
10:00	5	moderate	30 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	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 Reforma

Throughout the year, the UV Index in this region exhibits significant seasonal fluctuations, peaking between March and October with extreme levels consistently around 14 to 15. The highest risk months are March, April, and May, where the UV Index reaches 14 to 15, leading to a burn time as short as 10 minutes. Visitors and residents should exercise caution during these months, wearing protective clothing, using sunscreen, and minimizing sun exposure, particularly during midday when UV radiation is at its strongest. As the year progresses, the UV Index decreases slightly in November and December, returning to very high levels, but the risk remains substantial throughout the year. This calls for ongoing sun safety practices, especially for those spending extended time outdoors.

Monthly Maximum UV Index for Reforma, Mexico

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

The table above highlights how UV exposure in Reforma 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.

Reforma'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
Reforma	8	11	14	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