UV Index in Reforma, Mexico

Last updated: June 2, 2025

Understanding the UV Index in Reforma, Mexico, is essential for safeguarding your skin health and preventing painful sunburns. As sun exposure can significantly impact your well-being, being aware of daily UV levels allows you to take proactive measures during peak hours. With Reforma's Am climate zone, the sun's intensity can reach dangerously high levels — peaking at an impressive UV Index of 13 around midday. By staying informed about UV fluctuations, you can enjoy the sunny weather while protecting yourself from the harmful effects of overexposure.

Hourly UV Index in Reforma

As the sun rises on this bright day, the UV Index starts off relatively low, peaking at just 1 at both 7:00 AM and 8:00 AM. However, by 9:00 AM, it jumps to 3, signaling an increase in UV exposure. The intensity escalates quickly, reaching a notable 6 by 10:00 AM. The real intensity hits its peak at 12:00 PM, when the UV Index soars to a striking 12, followed closely by a high of 13 at 1:00 PM. Over the next few hours, the index gradually diminishes, but still remains significant with 10 at 3:00 PM and 7 by 4:00 PM. As evening approaches, the levels continue to decline, returning to 1 once dusk settles in at 7:00 PM. Be sure to protect your skin!

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	9	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	12	extreme	10 min
15:00	10	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Reforma

The UV Index shows significant seasonal changes, particularly peaking during the late spring and summer months. From February to September, the region experiences extreme UV exposure, with indexes reaching as high as 14 in June. The highest-risk months for UV exposure are typically March through September, where the burn time is reduced to as little as 10 minutes. In contrast, January, November, and December present a lower risk, categorized as very high, with a slightly longer burn time of 15 minutes. Visitors and residents are advised to take precautions during the high-risk months, including wearing protective clothing, using sunscreen with a high SPF, and seeking shade, especially during peak hours between 10 AM and 4 PM. Proper sun safety measures are crucial to avoid sunburn and long-term skin damage.

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	12	13	13	14	13	13	12	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