UV Index in Ranier, United States

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Ranier, United States, where the Dfb climate can bring a mix of sunny and cloudy days. Awareness of UV levels is key for effective sunburn prevention and maintaining skin health, especially when the index reaches moderate to high readings—peaking at 9 during midday. As you navigate outdoor activities, being informed about the UV Index can help you make smarter choices to protect your skin from harmful rays and enjoy the beauty of Ranier's atmosphere safely.

Hourly UV Index in Ranier

The UV Index today shows a dynamic rise and fall throughout the hours, peaking in the midday sun. Starting from a gentle 1 at 07:00, it gradually climbs to reach 8 by 12:00, just before the sun reaches its zenith. The intensity spikes to its highest point of 9 at 13:00, remaining high until 14:00, when it begins to taper off. By 15:00, it drops to 7, continuing its downward trend to 4 by 17:00, and then easing back to the safer 1 by 19:00. Remember to protect yourself during the peak hours, especially between 11:00 and 14:00, when the sun’s rays are strongest!

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	5	moderate	30 min
11:00	7	high	25 min
12:00	8	very high	15 min
13:00	9	very high	15 min
14:00	9	very high	15 min
15:00	7	high	25 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 Ranier

Throughout the year, UV exposure fluctuates significantly, with high-risk months primarily from April to August. In April, the UV Index reaches a high level of 7, marking the beginning of increased skin exposure risk, which intensifies into the very high category of 8 and 9 during May, June, and July. Visitors and residents should take precautions particularly between April and August, where a burn can occur in as little as 15 minutes during the peak months. As summer fades into early fall, the UV Index decreases, returning to a moderate level by October and then to low levels in November and December. It's essential for everyone to practice sun safety by using sunscreen, wearing protective clothing, and seeking shade during peak hours, especially in the high-risk periods.

Monthly Maximum UV Index for Ranier, United States

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

The table above highlights how UV exposure in Ranier 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.

Ranier'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
Ranier	2	3	5	7	8	9	9	8	7	4	2	1
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