UV Index in Santa Teresa, Mexico

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Santa Teresa, Mexico, a beautiful coastal paradise known for its sunny weather and breathtaking beaches. With the UV levels peaking at a staggering 14 during midday hours, being aware of these index readings is essential for preventing sunburn and protecting your skin from long-term damage. As an area characterized by a warm climate, Santa Teresa poses unique risks for high ultraviolet exposure, particularly from late morning to mid-afternoon. By staying informed about the UV Index, you can enjoy the stunning outdoors while ensuring your skin remains healthy and protected.

Hourly UV Index in Santa Teresa

The UV Index for the day reveals a dramatic rise in sun exposure as the hours progress. Starting from a maximum of 0 at 07:00, the index climbs to a mild 1 at 08:00 and continues to escalate, hitting 2 by 09:00. The intensity peaks sharply at 12:00 with a striking 12. From there, the sun's rays reach their zenith at 13:00 and 14:00 with a peak UV Index of 14, prompting caution for outdoor activities. As the afternoon wanes, the index gradually declines, resting at 9 at 16:00, then settling down to 3 by 18:00, and finally returning to a safer 1 at 19:00. Be sure to gear up with sunscreen during those peak hours to stay protected!

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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	12	extreme	10 min
13:00	14	extreme	10 min
14:00	14	extreme	10 min
15:00	13	extreme	10 min
16:00	9	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 Santa Teresa

Throughout the year, UV levels exhibit significant seasonal fluctuations, with the highest risks occurring from February to September, where the UV Index consistently reaches extreme levels of 12 to 14. During these months, the burn time is as short as 10 minutes, making it crucial for both visitors and residents to take protective measures. The peak UV Index occurs in April, June, July, and September at 14, marking them as particularly hazardous months. In contrast, from November to January, UV levels decrease, but January and February still present high (10-12) and extreme risks. Therefore, individuals are strongly advised to utilize sunscreen, wear protective clothing, and seek shade, especially during the high-risk months to minimize UV exposure.

Monthly Maximum UV Index for Santa Teresa, Mexico

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

The table above highlights how UV exposure in Santa Teresa 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.

Santa Teresa'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
Santa Teresa	10	12	13	14	13	14	14	13	14	11	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