UV Index in Rio Viejo, Mexico

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Rio Viejo, Mexico, where the sun can be both a source of warmth and potential harm. With UV levels peaking at an extreme 12 during midday, it's vital to be aware of these numbers to prevent sunburn and protect your skin health. Given Rio Viejo's tropical climate, the risk of overexposure increases, making it essential to plan outdoor activities around UV intensity. By staying informed about the UV Index, you can enjoy the beauty of Rio Viejo while safeguarding your wellbeing under the sun.

Hourly UV Index in Rio Viejo

During the early hours of the day, the UV Index starts off low at 1 at 7:00 AM, gradually rising as the sun climbs higher in the sky. By 10:00 AM, it reaches a moderate level of 6, with the intensity peaking at 12 from 12:00 PM to 1:00 PM—the time when sun protection is crucial. As the afternoon unfolds, the UV levels taper off, hitting 9 at 3:00 PM before steadily declining to 1 by 7:00 PM. This data underscores the importance of staying mindful of sun exposure, especially during the peak hours when the UV Index is at its highest.

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	2	low	45 min
09:00	4	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	12	extreme	10 min
13:00	12	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 Rio Viejo

Throughout the year, UV levels fluctuate, peaking during the spring and summer months. January starts with a high UV Index of 7, but by February, it rises significantly to 10, indicating very high risk with a burn time reduced to 15 minutes. The months of March through October consistently exhibit extreme UV conditions, with March and April reaching a peak Index of 13 and a burn time of just 10 minutes. July to September maintain a UV Index of 12, also allowing only 10 minutes for safe sun exposure. As the year progresses, November sees a drop to 8, while December ends with a high UV Index of 6. Visitors and residents are advised to exercise caution, especially from February through October, utilizing protective clothing, sunscreen, and limiting sun exposure during peak hours to minimize skin damage.

Monthly Maximum UV Index for Rio Viejo, Mexico

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

The table above highlights how UV exposure in Rio Viejo 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.

Rio Viejo'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
Rio Viejo	7	10	11	13	13	12	12	12	12	11	8	6
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