UV Index in Santa Martha, Mexico

Last updated: July 2, 2025

Understanding the UV Index in Santa Martha, Mexico is essential for protecting your skin and overall health. With sun exposure that can escalate rapidly, especially during peak hours, it's crucial to be mindful of UV levels to prevent sunburn and long-term skin damage. Santa Martha's tropical climate typically involves high UV ratings, peaking at a harsh UV Index of 13 around midday. By staying informed about the UV Index, you can enjoy the sun safely and engage in outdoor activities without compromising your skin's health. Always remember: awareness is your best defense against UV rays!

Hourly UV Index in Santa Martha

At 07:00 and 08:00, the UV Index remains low, peaking at 1, making it a safe time for outdoor activities. However, as the day progresses, the sun’s intensity ramps up sharply. By 10:00, the index reaches 5, climbing to a striking 11 by noon. The day hits its peak at 13:00 and 14:00, with a UV Index of 13, warranting caution and sun protection. As the afternoon unfolds, you’ll find a gradual decline: readings drop to 11 at 15:00, then 8 at 16:00, further easing to 2 by 18:00, and finally settling back to 1 by 19:00. Remember, to enjoy the sun safely, consider protective measures during the high UV 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	2	low	45 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	11	extreme	10 min
13:00	13	extreme	10 min
14:00	13	extreme	10 min
15:00	11	extreme	10 min
16:00	8	very high	15 min
17:00	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Santa Martha

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 Santa Martha, Mexico

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

The table above highlights how UV exposure in Santa Martha 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 Martha'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 Martha	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