UV Index in Mill Creek, United States

Last updated: June 2, 2025

In Mill Creek, United States, staying informed about the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels helps in preventing sunburns and reducing the risk of long-term skin damage, especially during the peak exposure hours when the index reaches a high of 11 around noon. Nestled in a Dfb climate zone, Mill Creek experiences distinct seasons that can lead to varying UV exposure risks throughout the year. By keeping an eye on the UV Index, residents can enjoy the beautiful outdoors while taking proactive measures to protect their skin from harmful rays.

Hourly UV Index in Mill Creek

The UV Index climbs steadily throughout the morning, starting at a modest 1 at 7:00 AM and reaching a more intense 3 by 9:00 AM. As the sun rises higher, the index peaks at an alarming 11 at 1:00 PM, indicating severe UV exposure. This high risk is only slightly alleviated in the following hours, where it drops to 10 at 2:00 PM and gradually decreases to 4 by 5:00 PM. As the evening approaches, the UV Index dips to low levels of 2 at 6:00 PM and returns to 1 by 7:00 PM. Remember, during the midday hours, adequate sun protection is crucial to safeguard your skin from harmful UV rays!

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	6	high	25 min
11:00	8	very high	15 min
12:00	10	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	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Mill Creek

Throughout the year, UV Index levels fluctuate significantly, reflecting seasonal changes in sun exposure. High-risk months for UV exposure typically occur from March to August, peaking in May, June, and July, when the UV Index reaches 11 (extreme) and the minimum burn time drops to 10 minutes. Visitors and residents should exercise caution during these months, particularly in the afternoons when the sun is at its strongest. April and August also present very high risk levels with a UV Index of 10. During lower risk months, from November to February, with moderate exposure levels (UV Index 3 to 5), a burn time of 30 minutes allows for a more relaxed approach to sun safety. However, year-round vigilance is advised, including protective clothing, sunscreen, and seeking shade during peak UV hours.

Monthly Maximum UV Index for Mill Creek, United States

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

The table above highlights how UV exposure in Mill Creek 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.

Mill Creek'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
Mill Creek	3	5	7	10	11	11	11	10	9	7	5	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