UV Index in San Ignacio, Mexico

Last updated: August 1, 2025

In San Ignacio, Mexico, being aware of the UV Index is crucial for both locals and visitors alike. Understanding UV levels can significantly aid in preventing sunburn and protecting your overall skin health. With a warm climate typical of the region and UV exposure peaking around midday, the risks of harmful skin damage increase dramatically, especially when the index reaches levels as high as 12 between 1 PM and 2 PM. Stay informed and take proactive measures to safeguard your skin under the radiant sun of San Ignacio!

Hourly UV Index in San Ignacio

The UV Index for the day showcases a striking peak in solar intensity, particularly between 12:00 PM and 2:00 PM, where it reaches a maximum of 12, indicating a very high risk of harm from unprotected sun exposure. Starting off the day, the index is quite low—measuring 0 at 7:00 AM—but gradually climbs, reaching 6 by 11:00 AM. As the sun climbs higher, the UV levels soar, peaking before gradually declining in the afternoon: it returns to 6 by 5:00 PM and drops significantly to 1 by 7:00 PM. It's crucial to take precautions during the peak hours to protect your skin and health!

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	1	low	45 min
10:00	3	moderate	30 min
11:00	6	high	25 min
12:00	9	very high	15 min
13:00	12	extreme	10 min
14:00	13	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 Ignacio

The UV Index exhibits significant seasonal variation, with high-risk months primarily occurring from March through October, where the index reaches extreme levels of 12 to 13 and a burn time of just 10 minutes. Specifically, April and August record the highest UV Index of 13. Visitors and residents should take precautionary measures during these months—such as wearing sunscreen, protective clothing, and sunglasses, and seeking shade—particularly during peak sunlight hours. While January and February still present a very high risk with UV Index values of 8 and 10, the risk gradually decreases towards the end of the year, with November and December reflecting a high to moderate risk. It’s essential to stay informed and protect your skin throughout the year.

Monthly Maximum UV Index for San Ignacio, Mexico

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

The table above highlights how UV exposure in San Ignacio 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 Ignacio'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
San Ignacio	8	10	12	13	12	13	12	13	12	11	9	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