UV Index in Sycamore, United States

Last updated: June 2, 2025

In Sycamore, United States, being aware of the UV Index is crucial for protecting your skin from harmful ultraviolet radiation. Understanding UV levels not only helps prevent painful sunburns but also plays a significant role in maintaining long-term skin health. With a Dfa climate, Sycamore experiences a variety of weather conditions, which can lead to variable UV exposure risks throughout the year. Pay close attention to the UV Index, especially during peak hours when levels soar to 10, ensuring you take necessary precautions for safe outdoor activities!

Hourly UV Index in Sycamore

The UV Index today paints a picture of intensity as the sun reaches its zenith. Starting off mild at 1 at 07:00, the index quickly climbs to 4 by 09:00, signaling the onset of stronger rays. The sun's power peaks dramatically, with a scorching 10 recorded between 12:00 and 14:00, making this the most critical time for sun protection. As the afternoon wanes, the UV Index dips to 8 at 15:00, then gradually declines to 3 by 17:00, before returning to a gentle 1 by 19:00. It's a day that underscores the importance of safeguarding your skin during those midday 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	9	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	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Sycamore

Throughout the year, UV exposure changes significantly, peaking during the summer months. January and February see moderate UV Index levels (3 to 5), requiring about 30 minutes of sun exposure before risking burns. However, from March to September, the UV Index escalates, hitting a peak of 10 in June and July, indicating a very high risk for sunburn with a burn time of just 15 minutes. April and May also fall in this high-risk category with UV Index values of 8 and 9. August and September slightly decrease but remain very high at 9 and 8 respectively. The UV Index drops to moderate levels again in October (6) and returns to low in December (2). Residents and visitors are advised to take precautions during the high-risk months—especially from March to September—by wearing protective clothing, using sunscreen, and limiting direct sun exposure to minimize skin damage.

Monthly Maximum UV Index for Sycamore, United States

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

The table above highlights how UV exposure in Sycamore 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.

Sycamore'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
Sycamore	3	5	6	8	9	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