UV Index in Monticello, United States

Last updated: July 2, 2025

Understanding the UV Index in Monticello, United States is essential for anyone who enjoys the outdoors. The UV Index serves as a crucial indicator of potential skin damage from sun exposure, helping residents and visitors alike to take necessary precautions against sunburn and long-term skin health issues. With Monticello’s Cfa climate, characterized by warm summers and frequent sunny days, it's vital to keep an eye on UV levels, especially when they peak around midday with values reaching as high as 12. By staying informed, you can protect your skin and enjoy the beautiful outdoors safely!

Hourly UV Index in Monticello

The UV Index today showcases a striking climb in intensity as the sun rises, starting from a modest 1 at 7:00 AM. As the morning unfolds, the index steadily elevates, reaching 4 by 9:00 AM before peaking at a blistering 12 at 1:00 PM—the most dangerous time for exposure. The afternoon shows a slight decline, with values tapering from 11 at 2:00 PM back down to 1 by 7:00 PM. This fluctuation highlights the importance of being sun-smart, especially during the peak hours when the risk of harmful UV radiation is at its highest. Remember to protect your skin and seek shade if you'll be outdoors!

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	9	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	6	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 Monticello

Throughout the year, UV exposure varies significantly, with high-risk months occurring from March to August. During this period, the UV Index reaches extreme levels of 11 to 12, necessitating vigilant sun protection measures, as burn times drop to just 10 minutes. April and June stand out as peak months for UV intensity. In contrast, January and December present moderate UV conditions, allowing for longer exposure times of 30 minutes. To ensure safety, visitors and residents are advised to seek shade, wear protective clothing, and apply broad-spectrum sunscreen, especially during the high-risk months, when the sun's rays are the strongest.

Monthly Maximum UV Index for Monticello, United States

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

The table above highlights how UV exposure in Monticello 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.

Monticello'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
Monticello	4	7	8	11	11	12	12	11	10	8	6	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5