UV Index in Santa Ana, Mexico

Last updated: June 2, 2025

Understanding the UV Index is crucial for the residents and visitors of Santa Ana, Mexico, where sunlight can be both a gift and a risk. With the region's BSh climate, the potential for high UV exposure underscores the importance of monitoring UV levels to prevent sunburn and protect skin health. During the peak hours, especially between 10 AM and 2 PM, UV Index values soar—reaching a maximum of 12—making it vital to take precautions. By staying informed about daily UV levels, you can enjoy the sun safely while safeguarding your skin from harmful effects.

Hourly UV Index in Santa Ana

The UV Index reveals a dynamic shift throughout the day, starting from a gentle 1 at 7:00 AM and climbing steadily to a peak of 12 at 1:00 PM. Between 10:00 AM and 2:00 PM, sun exposure is most intense, with values reaching 9 and 11, making it crucial for outdoor activities to come with protective measures. As the afternoon progresses, the index begins to decline, offering relief with readings of 9 at 3:00 PM, 7 at 4:00 PM, and tapering off to 2 by 6:00 PM. For evening relaxation, the UV Index settles back to a minimal 1 by 7:00 PM, providing a gentle close to the day's solar intensity.

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	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	9	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 Santa Ana

Throughout the year, the UV Index exhibits significant seasonal changes, with the highest risk months occurring from February to September. During these months, particularly in April and May, the UV Index reaches an alarming 13, classified as extreme, indicating a burn time of only 10 minutes. Even in March, the UV risk is notably high at 10, while October’s levels drop to 10 but remain in the very high category. Visitors and residents are strongly advised to take precautionary measures, such as wearing sunscreen, protective clothing, and wide-brimmed hats, especially during peak hours when the UV index is highest. As we move into the winter months, while the UV risk decreases in November and December, maintaining sun safety practices remains essential for overall skin health.

Monthly Maximum UV Index for Santa Ana, Mexico

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

The table above highlights how UV exposure in Santa Ana 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 Ana'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
Santa Ana	6	9	10	12	13	12	12	12	12	10	7	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