UV Index in Altamira, Mexico

Last updated: August 1, 2025

Understanding the UV Index in Altamira, Mexico, is essential for protecting your skin from harmful radiation, especially under the region's tropical climate. With UV levels peaking as high as 13 during midday, awareness can help prevent sunburn and long-term skin damage. As sunlight becomes more intense, especially between 10 AM and 2 PM, knowing the daily UV Index empowers residents and visitors alike to make informed choices about sun exposure, ensuring both skin health and enjoyment of all that beautiful Altamira has to offer. Stay informed and shield your skin for a safer, sun-filled experience!

Hourly UV Index in Altamira

As the sun climbs higher in the sky, the UV Index soars to its peak intensity. Starting the day at a mild 1 at 07:00, the index gradually rises, reaching 2 by 09:00. However, things heat up as midday approaches, with a dramatic leap to 11 by 12:00 and topping out at an impressive 13 at 1 PM. The afternoon offers a slight reprieve, seeing values drop to 11 by 3 PM, before tapering off through the evening, ultimately settling back to a gentle 1 by 7 PM. If you’re planning outdoor activities, be sure to protect your skin during those peak 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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	7	high	25 min
12:00	10	very high	15 min
13:00	12	extreme	10 min
14:00	12	extreme	10 min
15:00	10	very high	15 min
16:00	7	high	25 min
17:00	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Altamira

The UV Index exhibits significant seasonal variation, with the highest values occurring from February through September, marking a period of extreme sun exposure. Notably, March through August are classified as high-risk months, featuring an extreme exposure category with a UV Index consistently at 12 or higher—which necessitates caution, as the burn time is a mere 10 minutes. Residents and visitors should prioritize sun safety during these months by wearing protective clothing, using broad-spectrum sunscreen, and seeking shade during peak hours. As the year progresses, a drop in UV intensity occurs, with October through December seeing lower levels that still warrant attention, particularly in October and November, when the UV Index registers as very high. Taking these precautions can help mitigate the risk of harmful UV exposure year-round.

Monthly Maximum UV Index for Altamira, Mexico

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

The table above highlights how UV exposure in Altamira 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.

Altamira'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
Altamira	7	9	12	12	12	12	13	12	12	10	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