UV Index in Riddle, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Riddle, United States, where the unique coastal climate can lead to varying levels of sun exposure throughout the day. The UV Index provides valuable information that helps you safeguard your skin against harmful ultraviolet rays, which can cause sunburn and long-term skin damage. In Riddle, typical UV levels peak around midday, reaching a maximum of 10—a level that underscores the importance of sun safety practices. By staying informed about the UV Index, you can enjoy the outdoors while protecting your health.

Hourly UV Index in Riddle

The UV index begins its ascent at 07:00, starting at a gentle 1, then climbs gradually through the morning. By 10:00, it reaches a moderate 5, but from 11:00 onwards, the sun's intensity becomes pronounced, peaking at an impressive 10 between 13:00 and 14:00. After this zenith, the index dips to 8 at 15:00 and continues its decline, settling back to 2 by 18:00. As the day winds down into the evening, the UV index drops to a low 1 by 19:00, signaling a return to safer sun exposure levels. Enjoy the sunshine while staying protected during the high points!

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	9	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 Riddle

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 Riddle, United States

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

The table above highlights how UV exposure in Riddle 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.

Riddle'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
Riddle	3	4	6	8	10	10	10	9	8	6	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