UV Index in San Francisco Puerta Grande, Mexico

Last updated: May 3, 2025

In San Francisco Puerta Grande, Mexico, understanding the UV Index is crucial for safeguarding your skin from harmful radiation. High UV levels can lead to painful sunburns and long-term skin damage, making it essential for residents and visitors to stay informed. Located in a BSk climate zone, this beautiful area experiences significant solar exposure, particularly during midday hours, when the UV Index peaks at an alarming 15. By paying attention to UV index levels, you can enjoy outdoor activities while effectively protecting your skin and promoting long-term health.

Hourly UV Index in San Francisco Puerta Grande

The UV Index today follows a dramatic curve, with a slow start in the early hours. At 8:00 AM, the index registers a low 1, gradually climbing to 2 by 9:00 AM. However, the sun’s intensity peaks around noon, hitting a scorching 12 before soaring even higher to 15 between 1:00 PM and 2:00 PM. As the afternoon progresses, the levels start to decrease, tapering down to 10 by 4:00 PM, and finally down to 1 by 7:00 PM. It's essential to stay protected during the midday hours when the UV index is at its highest—don't forget your sunscreen!

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	5	moderate	30 min
11:00	9	very high	15 min
12:00	12	extreme	10 min
13:00	15	extreme	10 min
14:00	15	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 San Francisco Puerta Grande

The UV Index demonstrates significant seasonal changes, peaking during the late spring and summer months. From January to March, the index starts high but quickly escalates, reaching its maximum of 15 in both April and May. The months of February to October pose the highest risk, with an extreme exposure category, where the burn time is notably short at 10 minutes. Visitors and residents should be particularly vigilant during these high-risk months, especially from February to October, and adopt protective measures such as wearing sunscreen, hats, and protective clothing. As we approach the fall and winter months, the UV risk decreases but remains notably high in November and December. It is essential to stay informed and protect your skin year-round.

Monthly Maximum UV Index for San Francisco Puerta Grande, Mexico

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

The table above highlights how UV exposure in San Francisco Puerta Grande 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 Francisco Puerta Grande'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 Francisco Puerta Grande	9	11	14	15	15	14	14	14	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