UV Index in Fort Lupton, United States

Last updated: June 2, 2025

Understanding the UV Index is essential for residents of Fort Lupton, Colorado, as it plays a crucial role in protecting your skin health and preventing sunburn. With the city’s BSk climate leading to bright sunny days, awareness of UV exposure is imperative, particularly during peak hours when indices soar to 11 and 12 around midday. By grasping the significance of these UV levels, you can make informed choices to shield yourself and your loved ones from potential skin damage and long-term health risks. Stay sun-safe and enjoy the beautiful outdoors responsibly!

Hourly UV Index in Fort Lupton

Throughout the day, the UV Index displayed a dynamic pattern, peaking at an intense 12 around 1 PM. Starting off gently at 1 by 7 AM, it climbed steadily, reaching 9 by 11 AM, a clear sign to take precautions. As the sun approached its zenith, the index swelled to its maximum at 12 PM, emphasizing the importance of sun safety. Following the midday peak, the index gradually decreased, dropping to 9 by 3 PM, then tapering off further to 2 by 6 PM and 1 by 7 PM. This data underscores the significance of shielding oneself from the sun's harmful rays during the day, especially 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	7	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 Fort Lupton

Throughout the year, UV levels exhibit notable fluctuations, with high-risk months primarily occurring from March to September. In particular, April to August experiences the most critical UV exposure, peaking at an extreme UV Index of 12 in June and July, where the burn time is reduced to just 10 minutes. As a visitor or resident during these months, it is crucial to take precautionary measures such as applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sun hours. Conversely, from November to February, UV levels drop to a moderate range, with longer burn times of up to 30 minutes in January, February, and November. It is advisable to remain aware of the UV Index and plan outdoor activities accordingly to ensure safety and skin protection throughout the seasons.

Monthly Maximum UV Index for Fort Lupton, United States

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

The table above highlights how UV exposure in Fort Lupton 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.

Fort Lupton'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
Fort Lupton	4	5	7	10	11	12	12	11	9	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