UV Index in Reforma, Mexico

Last updated: August 1, 2025

In Reforma, Mexico, staying informed about the UV Index is crucial for protecting your skin from the sun's harmful rays. Understanding UV levels is key to preventing sunburn and maintaining long-term skin health, particularly in this Aw climate, known for its warm temperatures and vibrant sunshine. With UV Index values peaking at 13 during midday, the risk of exposure is significant, making it essential to take necessary precautions. By keeping an eye on the UV Index, residents and visitors alike can enjoy the sunny weather while safeguarding their well-being.

Hourly UV Index in Reforma

From 7:00 AM to 8:00 AM, the UV Index begins its climb, starting at a mild 1 and reaching 2. The real intensity kicks in by 9:00 AM, as it jumps to 4, signaling a need for sun protection. The peak arrives at 12:00 PM, where the UV Index reaches its zenith at a sizzling 12. For those outdoors at 1:00 PM, be especially cautious as it hits a scorching 13—the highest of the day. As the sun begins its descent, the index gradually decreases, settling at 9 by 3:00 PM, before tapering off to 3 at 5:00 PM, and finally sinking back to 1 from 6:00 PM onward. This hourly breakdown underscores the importance of being sun-smart, especially during those midday 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	1	low	45 min
08:00	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Reforma

Throughout the year, the UV Index reveals significant seasonal variations that warrant attention from both visitors and residents. January sees a high UV Index of 9 with a burn time of just 15 minutes, while February to October features an extreme UV Index, peaking at 14 in April and remaining at 13 from May to September, where the burn time is only 10 minutes. Following this peak, November and December return to very high levels, with indices of 9 and 8, respectively. The high-risk months are clearly concentrated from February through October, where prolonged sun exposure can lead to severe burns in minimal time. Therefore, it's critical for everyone to take protective measures, such as wearing sunscreen, hats, and protective clothing, especially during these months, to minimize the risk of harmful UV exposure.

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
Reforma	9	11	13	14	13	13	13	13	13	11	9	8
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
Puebla UVI	10	12	14	15	15	15	15	14	14	13	10	9