UV Index in Genoa, United States

Last updated: June 2, 2025

Staying informed about the UV Index is crucial for residents of Genoa, United States, where sun exposure can significantly impact skin health. Understanding daily UV levels not only helps in preventing sunburn but also plays a vital role in reducing the long-term risk of skin cancer. With a Dfa climate, Genoa enjoys warm summers that can drive the UV Index to high levels—reaching as much as 11 at peak times. As you plan your outdoor activities, pay close attention to these UV indicators to protect your skin and enjoy the sun safely!

Hourly UV Index in Genoa

As the day unfolds, the UV Index begins its ascent with a gentle 1 at 7:00 AM, gradually climbing to a moderate 3 by 9:00 AM. The sun's strength becomes undeniable by 10:00 AM, peaking at a robust 11 around 1:00 PM—the highest point of the day. Even as the afternoon progresses, the index slowly recedes, measured at 9 at 3:00 PM and continuing to dip into the evening, reaching 1 by 7:00 PM. Remember to protect your skin during those peak hours—especially between 11 AM and 3 PM—when UV exposure is at its highest!

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	7	high	25 min
12:00	9	very high	15 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	9	very high	15 min
16:00	7	high	25 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Genoa

Throughout the year, UV levels exhibit significant seasonal variation, with the highest risks occurring from April to September. During this period, the UV Index reaches very high to extreme levels, peaking at 11 in June, where the burn time is reduced to just 10 minutes. Visitors and residents should be particularly cautious in these months; protective measures such as sunscreen, hats, and clothing are essential, especially during midday hours. Outside of this peak season, January through March sees moderate to high UV levels, making March with a UV Index of 6 another month to watch. From November to December, UV exposure decreases significantly, offering a respite with low to moderate indexes. However, it's still important to remain aware of UV levels year-round, as different skin types react differently to sun exposure.

Monthly Maximum UV Index for Genoa, United States

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

The table above highlights how UV exposure in Genoa 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.

Genoa'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
Genoa	3	5	6	9	9	11	10	10	8	6	4	2
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