UV Index in Genoa, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Genoa, United States, as it plays a vital role in protecting your skin health and preventing painful sunburns. With Genoa's humid continental climate, characterized by warm summers and varying sun exposure levels, awareness of daily UV ratings can help you enjoy outdoor activities safely while minimizing the risk of skin damage. Typically peaking at a UV Index of 10 during midday, it's important to stay informed and take necessary precautions, ensuring your time in the sun is both enjoyable and safe.

Hourly UV Index in Genoa

The UV Index throughout the day showcases a dynamic pattern of sun exposure, peaking during the afternoon. At 07:00, the index starts low at 1, gradually increasing as the sun rises. By 10:00, it reaches 6, signaling a rise in sun intensity, culminating in a striking 10 from 12:00 to 13:00, indicating a high risk of harm from unprotected sun exposure. As the day progresses, the UV Index declines, dropping to 3 by 17:00, and steadily returning to 1 by 19:00. This data highlights the importance of sun protection, especially during midday when the UV Index 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	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	9	very high	15 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Genoa

Throughout the year, UV exposure changes significantly, peaking during the summer months. January and February see moderate UV Index levels (3 to 5), requiring about 30 minutes of sun exposure before risking burns. However, from March to September, the UV Index escalates, hitting a peak of 10 in June and July, indicating a very high risk for sunburn with a burn time of just 15 minutes. April and May also fall in this high-risk category with UV Index values of 8 and 9. August and September slightly decrease but remain very high at 9 and 8 respectively. The UV Index drops to moderate levels again in October (6) and returns to low in December (2). Residents and visitors are advised to take precautions during the high-risk months—especially from March to September—by wearing protective clothing, using sunscreen, and limiting direct sun exposure to minimize skin damage.

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
Genoa	3	5	6	8	9	10	10	9	8	6	3	2
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
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5