UV Index in San Ignacio, Mexico

Last updated: June 2, 2025

In San Ignacio, Mexico, understanding the UV Index is crucial for residents and visitors alike, as it serves as a simple yet powerful tool for gauging sun exposure. Awareness of UV levels helps prevent sunburn and promotes long-term skin health, making it essential for anyone enjoying the beautiful outdoors. The climate in San Ignacio, known for its beautiful sunny days, often results in high UV exposure, particularly from late morning to early afternoon when levels can soar to dangerous heights. Stay informed and protect yourself under the sun!

Hourly UV Index in San Ignacio

Today’s UV Index reveals a striking fluctuation in sun intensity throughout the hours. Starting the morning at a safe 0 around 7:00 AM, values gradually climb as the day progresses. By 10:00 AM, the UV index reaches 4, signaling the need for some sun protection. The afternoon peaks with a staggering 13 at 2:00 PM, marking the most intense sun exposure. As the sun begins to set, the risk decreases, falling to 6 by 5:00 PM and dropping to 1 by 7:00 PM, providing a much-needed respite as the day winds down. Stay vigilant during peak hours and enjoy the sunshine safely!

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	12	extreme	10 min
14:00	13	extreme	10 min
15:00	12	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 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