UV Index in Potrero, United States

Last updated: June 2, 2025

In Potrero, United States, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps you prevent sunburn and long-term skin damage, especially as the sun’s intensity can reach a peak index of 12 during midday hours. With Potrero's Mediterranean climate, residents and visitors alike face significant UV exposure risks, particularly between late morning and early afternoon. Stay informed and take proactive steps to safeguard your skin against the sun's powerful rays!

Hourly UV Index in Potrero

The UV Index reaches its peak intensity around 12:00 PM, hitting a striking 12, indicating a high level of sun exposure risk. As the morning unfolds, the UV levels rise from a mild 1 at 7:00 AM to a more concerning 10 by 11:00 AM. The sun’s intensity continues to escalate, achieving its zenith at 12:00 PM before gradually declining throughout the afternoon. By 3:00 PM, the index drops to 8, and further decreases to 1 by 7:00 PM, highlighting the importance of sun protection during the midday hours when interest in outdoor activities peaks. Stay safe and shield yourself from the sun’s powerful rays, especially around noon!

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	1	low	45 min
08:00	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Potrero

The UV Index experiences significant seasonal changes, with high-risk months typically spanning from March to September. As the year progresses, the index escalates from a moderate 5 in January to a peak of 12 during the summer months of May through August, indicating extreme exposure levels with a burn time of only 10 minutes. Visitors and residents are strongly advised to take protective measures during these high-risk periods, including wearing sunscreen, protective clothing, and seeking shade to minimize the risk of skin damage. As summer fades, the index gradually decreases, with an increase to 15 minutes burn time in October, reinforcing the need for continued sun safety awareness throughout the fall.

Monthly Maximum UV Index for Potrero, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Potrero. 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 Potrero, 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 Potrero UV Index with Other United States Cities

The table above highlights how UV exposure in Potrero compares to other major locations across United States. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Potrero's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Chicago UVI	3	4	6	8	9	10	10	9	8	6	4	2
Brooklyn UVI	3	5	6	8	10	10	9	9	8	6	4	2
New York City UVI	3	5	6	8	10	10	9	9	8	6	4	2
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Potrero	5	7	9	11	12	12	12	12	11	8	6	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5