UV Index in Arroyo Grande, Mexico

Last updated: July 2, 2025

In Arroyo Grande, Mexico, being aware of the UV Index is crucial for safeguarding your skin health and preventing sunburn. As a region characterized by an Aw climate, the intense midday sun can lead to elevated UV levels, with the index peaking at a staggering 14 between 1:00 PM and 2:00 PM. Understanding these levels not only helps in planning outdoor activities but also plays a key role in minimizing long-term skin damage. By staying informed, you can enjoy the beautiful sunny days in Arroyo Grande while ensuring your skin remains protected!

Hourly UV Index in Arroyo Grande

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 Arroyo Grande

The UV Index demonstrates a significant seasonal variation, peaking during the summer months with values consistently at 14 from May through July and 13 in August and September, categorized as extreme. This means that individuals have only 10 minutes before skin damage begins in these months, making them the highest risk periods for UV exposure. Conversely, January and February start with a UV Index of 9 and 11, respectively, still classified as very high but indicating a lower risk than mid-year. As such, it is crucial for both visitors and residents to exercise caution and take protective measures, particularly during the peak months. Wearing sunscreen, protective clothing, and seeking shade are highly recommended to minimize harmful effects from UV radiation all year round.

Monthly Maximum UV Index for Arroyo Grande, Mexico

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

The table above highlights how UV exposure in Arroyo 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.

Arroyo 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
Arroyo Grande	9	11	13	13	14	14	14	13	13	11	8	8
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