UV Index in Humboldt, United States

Last updated: June 2, 2025

In Humboldt, United States, awareness of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels helps in preventing sunburn, reducing the risk of long-term skin damage, and promoting smarter sun safety practices. Humboldt's Dfa climate brings unique challenges, with peak UV levels reaching as high as 10 during midday, indicating a significant risk for unprotected skin. By staying informed about the UV index, residents can enjoy the outdoors while ensuring their skin remains healthy and protected.

Hourly UV Index in Humboldt

The UV Index today showcases a dramatic rise in intensity, peaking at 10 between 12:00 PM and 2:00 PM, making it essential to take precautions during these hours. Starting from a mild 1 at 7:00 AM, the index steadily climbs to 3 by 9:00 AM, reaching a notable 5 at 10:00 AM. As the sun reaches its zenith, the UV levels soar, compelling outdoor enthusiasts to embrace skin protection. The intensity begins to wane after 2:00 PM, dipping to 4 by 5:00 PM, and falling back to a comfortable 1 as evening sets in. Stay safe and enjoy the sunlight, but remember to protect your skin during those 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	1	low	45 min
08:00	2	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 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	9	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Humboldt

Throughout the year, the UV Index exhibits notable seasonal changes, with the highest levels occurring from April to September. During this peak period, particularly in May, June, and July, the UV Index reaches 10—categorized as very high, necessitating vigilant sun protection measures. Visitors and residents should be particularly cautious in these months, as the burn time drops to just 15 minutes. March marks the transition to high exposure, with an index of 6, while October and November see a decline to moderate levels and longer burn times of 25 to 30 minutes. To safeguard against UV-related health risks, it is essential to wear sunscreen, hats, and protective clothing, especially during the high-risk months of April to September.

Monthly Maximum UV Index for Humboldt, United States

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

The table above highlights how UV exposure in Humboldt 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.

Humboldt'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
Humboldt	3	5	6	9	10	10	10	9	8	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