UV Index in Manzanillo, Mexico

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Manzanillo, Mexico, where the sun's rays can be both invigorating and hazardous. This coastal paradise boasts a warm Aw climate, which means UV exposure can escalate rapidly throughout the day, peaking at a remarkable index of 14 between 1 PM and 2 PM. By staying informed about the UV levels, you can effectively prevent sunburn and protect your skin health, ensuring a safe and enjoyable experience under the vibrant sun. With a climate that encourages outdoor activities, being mindful of UV intensity is key to making the most of your time in this beautiful destination.

Hourly UV Index in Manzanillo

The UV Index throughout the day showcases a dramatic rise and fall, reflecting the sun’s intensity. Starting at a safe 0 at 7:00 AM, it gradually ascends to a moderate level of 2 by 9:00 AM. As the hours progress, the intensity peaks sharply at 14 around 2:00 PM, marking the sun’s zenith. Just before that, at 12:00 PM, it reaches a blazing 10, indicating a high level of UV exposure. After this peak, the index begins its descent, dropping to 6 by 5:00 PM and down to a more manageable 1 by 7:00 PM. To ensure skin safety, it's advisable to take precautions, especially during those peak hours when the UV Index surges above 7.

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	13	extreme	10 min
14:00	14	extreme	10 min
15:00	13	extreme	10 min
16:00	10	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 Manzanillo

The seasonal UV index shows a significant variation throughout the year, with the highest values occurring from March to October. During these months, the UV index reaches extreme levels, peaking at 14 in June. The high-risk months are primarily from March to October, where the recommended maximum sun exposure time decreases to just 10 minutes for the most intense months, emphasizing the need for protection. Visitors and residents are advised to take extra precautions during these months by wearing sunscreen, protective clothing, and seeking shade, especially during midday hours when UV radiation is strongest. In contrast, as the year winds down, the UV index drops significantly, with November and December being relatively safer, though caution is still recommended.

Monthly Maximum UV Index for Manzanillo, Mexico

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

The table above highlights how UV exposure in Manzanillo 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.

Manzanillo'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
Manzanillo	9	10	13	13	13	14	12	12	13	12	8	7
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