UV Index in Thermalito, United States

Last updated: May 3, 2025

In Thermalito, United States, staying informed about the UV Index is crucial for protecting your skin from harmful ultraviolet rays. Understanding UV levels helps you take necessary precautions against sunburn and long-term skin damage, particularly during the sun's peak hours when UV exposure can reach a maximum of 10 around noon. With its Mediterranean climate, Thermalito experiences varying UV risks, making it essential to monitor and adjust your outdoor activities accordingly. Stay vigilant and enjoy the sunshine safely!

Hourly UV Index in Thermalito

The UV Index data unveils a dynamic progression of sun intensity throughout the day. Starting low at 1 at 07:00, the index gradually escalates, reaching maximum levels of 10 between 12:00 and 14:00. This peak signals a critical time for sun protection. As the afternoon wanes, the index tapers off to 8 at 15:00, and then descends further to 3 by 17:00, and 2 by 18:00. Ultimately, the day concludes softly with a return to 1 at 19:00. It's essential to stay vigilant during those peak hours to safeguard your skin while enjoying the sun!

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

Monthly UV Index Trends in Thermalito

The UV Index exhibits significant seasonal variations, with the highest levels occurring from April to August. During this period, the highest risk months are June and July, where the UV Index peaks at 11, categorized as extreme, resulting in a burn time of just 10 minutes. Conversely, January, November, and December show the lowest UV Index levels, categorized as moderate, with a burn time of 30 minutes. To ensure safety, visitors and residents should take precautionary measures during high UV periods, especially by seeking shade, wearing protective clothing, and using sunscreen with high SPF when outdoors, particularly in the late morning to early afternoon hours.

Monthly Maximum UV Index for Thermalito, United States

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

The table above highlights how UV exposure in Thermalito 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.

Thermalito'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
Thermalito	3	4	7	8	10	11	11	10	9	6	4	3
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5