UV Index in Marin, Mexico

Last updated: June 2, 2025

Understanding the UV Index in Marin, Mexico, is crucial for maintaining your skin health and preventing sunburn. With a climate classified as BSh, Marin experiences strong solar radiation, especially between 10 AM and 2 PM, when UV levels can reach a peak of 12, indicating a high risk for harm to unprotected skin. By being aware of these UV levels, you can take necessary precautions, such as wearing sunscreen and protective clothing, to safeguard your skin against potential damage while enjoying the beautiful sunny days that Marin has to offer. Stay informed and protect yourself under the sun!

Hourly UV Index in Marin

At dawn, the UV Index starts at a mild 1 at 7:00 AM, gradually climbing as the sun rises. By 9:00 AM, it reaches a modest 2, but as the clock strikes 10:00 AM, the intensity surges to a moderate 5. The sun's power peaks around noon, with a striking 10, and maintains an impressive 12 from 1:00 PM to 2:00 PM. As the afternoon progresses, the index begins to decline, falling back to 10 at 3:00 PM, before tapering off to 5 by 5:00 PM. By evening, the UV Index drops to a comfortable 3 at 6:00 PM and settles back at 1 by 7:00 PM, signaling a safe respite from the sun's relentless rays.

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	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	8	very high	15 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Marin

During the year, UV Index levels exhibit notable seasonal changes, with high-risk months concentrated from February to September. The highest readings occur in April to September, where the UV Index reaches 12, categorized as extreme, with a burn time of just 10 minutes. Particularly, months like February and March, registering UV Index values of 9 and 10 respectively, also signify significant risk, labeled as very high. Visitors and residents are strongly advised to take precautions during these months by using sunscreen, wearing protective clothing, and limiting sun exposure, especially during midday hours, to reduce the risk of sunburn and long-term skin damage. As the year transitions into November and December, the UV Index decreases to levels classified as high, but vigilance is still recommended to safeguard skin health.

Monthly Maximum UV Index for Marin, Mexico

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

The table above highlights how UV exposure in Marin 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.

Marin'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
Marin	6	9	10	12	12	12	12	12	11	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