UV Index in Merida, Mexico

Last updated: July 2, 2025

In Merida, Mexico, understanding the UV Index is crucial for maintaining optimal skin health and preventing sunburn. With high UV levels, particularly during the midday hours, being informed helps residents and visitors alike protect themselves from harmful solar radiation. The city's tropical climate brings intense sunlight year-round, and as the UV Index often peaks at 14, it's essential to be proactive about sun safety. By monitoring UV levels, you can enjoy the outdoors while minimizing the risk of skin damage and long-term health issues. Stay vigilant and embrace the sun with care!

Hourly UV Index in Merida

The UV Index paints a vivid picture of a sun-soaked day, starting at a gentle 1 at 07:00 and gradually rising to a moderate 3 by 09:00. However, as the sun climbs higher, the intensity surges, reaching a maximum of 14 between 13:00 and 14:00, marking it an ideal time for sun protection. As the afternoon wanes, the index dips to a still significant 11 at 15:00, before gently declining to 2 by 18:00 and finally settling back at 1 by 19:00. This dramatic shift underscores the importance of safety against harmful UV rays during the peak afternoon 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	13	extreme	10 min
13:00	14	extreme	10 min
14:00	14	extreme	10 min
15:00	11	extreme	10 min
16:00	8	very high	15 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Merida

Throughout the year, significant seasonal changes in the UV Index are observed, with high-risk months spanning from February to September when the index reaches extreme levels, peaking at 14. During these months, the recommended burn time is notably short, at just 10 minutes, emphasizing the need for protective measures. Even in the winter months, the UV Index remains a concern, particularly in January and February with values of 10 and 12, respectively, where exposure is categorized as very high and extreme. For residents and visitors, it is crucial to stay vigilant and adopt protective strategies, such as wearing sunscreen, hats, and sunglasses, especially during the high UV season, to mitigate the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Merida, Mexico

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

The table above highlights how UV exposure in Merida 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.

Merida'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
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
Merida	10	12	14	14	14	14	14	13	14	13	10	9
Puebla UVI	10	12	14	15	15	15	15	14	14	13	10	9