UV Index in Redmond, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Redmond, United States, where the unique Csb climate can lead to varying levels of sun exposure throughout the day. As UV radiation can cause sunburn and long-term damage to skin health, being aware of daily UV levels helps you take proactive measures for protection. With peak UV readings reaching 10 around midday, it's essential to recognize when you're at the highest risk and adjust your outdoor activities accordingly. Stay sun-safe and enjoy Redmond's beautiful outdoors while safeguarding your skin!

Hourly UV Index in Redmond

Today's UV Index presents an intriguing curve, starting the day with a mellow maximum of 1 at 07:00. As the sun climbs higher, things heat up quickly—by 10:00, the index reaches 6, and by 12:00, it peaks at an intense 10. This level remains steady until 14:00, urging sun enthusiasts to take precautions. As the afternoon fades, the UV Index gracefully tapers off, dropping to 4 by 17:00, and finally sinking back to a gentle 1 by 19:00. With mid-day UV levels soaring, it’s crucial to stay protected during those peak hours!

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	10	very high	15 min
15:00	8	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 Redmond

Throughout the year, the UV Index varies significantly, peaking during the summer months. January and February have a moderate exposure level (UV Index 3 and 4), with a relatively longer burn time of 30 minutes. As spring approaches, March ushers in higher UV levels (6, high exposure) and a reduced burn time of 25 minutes. The months of April through August present the highest risk, with the UV Index reaching its peak at 10 during May, June, and July, all classified as very high exposure with a burn time of only 15 minutes. August and September still remain risky, with UV Index values of 9 and 8, respectively. As fall arrives, October sees a decline to a high level (UV Index 6) before dropping back to moderate in November and low in December. Visitors and residents are advised to take precautionary measures during high-risk months—especially from April to September—by wearing protective clothing, sunscreen, and seeking shade to prevent skin damage.

Monthly Maximum UV Index for Redmond, United States

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

The table above highlights how UV exposure in Redmond 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.

Redmond'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
Redmond	3	4	6	8	10	10	10	9	8	6	3	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