UV Index in San Clemente, Mexico

Last updated: May 3, 2025

In San Clemente, Mexico, understanding the UV Index is crucial for protecting your skin from harmful ultraviolet rays. As a coastal town with a Cwa climate, San Clemente enjoys plenty of sunshine, but this also means higher risks for sunburn and long-term skin damage during peak hours. The UV levels can soar to 14 from 1:00 PM to 2:00 PM, indicating extreme exposure, which emphasizes the need for vigilance. By staying informed about daily UV ratings, you can take proactive measures to safeguard your skin and enjoy the beautiful Mexican sun safely.

Hourly UV Index in San Clemente

The UV Index throughout the day showcased a striking curve, starting at 0 at 7:00 AM and gradually rising as the sun climbed higher in the sky. By 10:00 AM, it reached 4, signaling the need for some sun protection. The index peaked at 14 between 2:00 PM and 3:00 PM, marking a high point in solar intensity where caution is essential. As the afternoon waned, values dropped back down, hitting 6 by 5:00 PM and gently descending to 1 by 7:00 PM. Overall, the 12:00 to 2:00 PM window was the most critical for safeguarding against harmful UV exposure. Remember to prioritize sun safety during these 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	11	extreme	10 min
13:00	13	extreme	10 min
14:00	14	extreme	10 min
15:00	12	extreme	10 min
16:00	9	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 San Clemente

Throughout the year, the UV Index displays significant seasonal variations, with the highest levels occurring from February to September. During these months, particularly March through May and September, the UV Index peaks at 14, placing them in the extreme exposure category with a burn time of just 10 minutes. The high-risk months are thus centered around early spring through late summer, where the intense UV radiation necessitates vigilant sun protection. Residents and visitors are strongly advised to take precautions during these months by wearing broad-spectrum sunscreen, protective clothing, and sunglasses, and by seeking shade, especially during peak hours. In contrast, from November to January, while the UV Index decreases, caution remains advisable during the very high levels observed at the year’s start and end, which still pose a risk for skin damage with burn times of 15 minutes.

Monthly Maximum UV Index for San Clemente, Mexico

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

The table above highlights how UV exposure in San Clemente 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.

San Clemente'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
Guadalajara UVI	9	11	14	14	14	13	13	13	13	12	9	8
San Clemente	9	11	14	14	14	14	13	13	14	12	10	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