UV Index in Monticello, United States

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Monticello as it serves as a vital tool in protecting your skin health. With the Colorado climate classified as Dfb, the sun's rays can be particularly intense, especially during peak hours when the UV Index reaches levels as high as 9. Awareness of these UV levels is essential for sunburn prevention, allowing you to enjoy outdoor activities safely. From late morning through early afternoon, be mindful of exposure risks, as even brief moments in direct sunlight can lead to harmful effects on your skin. Stay informed and keep your skin healthy by checking the UV Index regularly!

Hourly UV Index in Monticello

The UV Index reveals a dynamic day of sun exposure, starting with a gentle 1 at 07:00 and gradually ramping up as the morning unfolds. By 09:00, it climbs to 4, reaching a more noteworthy 6 at 10:00. As the sun reaches its zenith, the UV Index peaks at 9 during the crucial hours of 12:00 and 13:00, indicating a high risk of harm from unprotected sun exposure. The intensity begins to wane after 14:00, settling to 7 at 15:00 before gradually decreasing to 1 by 19:00. Remember to protect your skin between 11:00 and 14:00 when the sun’s rays are at their most dangerous!

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	7	high	25 min
12:00	9	very high	15 min
13:00	9	very high	15 min
14:00	8	very high	15 min
15:00	7	high	25 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 Monticello

Throughout the year, the UV Index experiences significant fluctuations, with the highest risk of harmful exposure occurring from March to September. During this peak season, particularly in April through August, the UV Index reaches levels of 8 to 10, categorizing exposure as very high and reducing the burn time to just 15 minutes. Conversely, the winter months see much lower UV levels; for instance, January and February maintain a moderate index of 3 and 4, while December drops to a low level of 2. Visitors and residents are advised to take extra precautions during high-risk months, especially by wearing sunscreen, protective clothing, and seeking shade when outdoors to minimize the risk of skin damage.

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
Monticello	3	4	6	8	9	10	10	9	8	5	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