UV Index in Highland Park, United States

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Highland Park, United States, where the climate can elevate sun exposure risks throughout the year. With peak UV levels often reaching 10 during midday, awareness of these fluctuations is essential for sunburn prevention and long-term skin health. Knowing when to seek shade or apply sunscreen can make a significant difference in protecting your skin from harmful rays, especially in a climate characterized by hot summers and moderate winters. Stay informed, stay safe, and enjoy the sun responsibly!

Hourly UV Index in Highland Park

The hourly UV Index data reveals a dynamic shift in sun intensity throughout the day, starting from a gentle 1 at 07:00, ideal for morning strolls. As the sun rises higher, the index escalates, peaking at a potent 10 between 12:00 and 13:00. This mid-day surge emphasizes the need for sunscreen and protective gear, as the risk of harm from UV rays increases significantly. By 15:00, the index begins to decline, settling at 7 before tapering off further to a mere 1 by 19:00, signaling a safe reprieve for evening outdoor activities. Stay aware and protect your skin 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	9	very high	15 min
15:00	7	high	25 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Highland Park

Throughout the year, UV Index levels exhibit significant seasonal variation. January and December have low UV exposure, with indices of 2, allowing for a lengthy burn time of 45 minutes. As we transition to February (UV Index 4) and March (UV Index 6), the risk escalates to moderate and high, reducing safe exposure time to 30 and 25 minutes, respectively. The peak months for UV exposure occur during April to August, with indices reaching a high of 10 in June and July, categorized as very high and necessitating a brief burn time of just 15 minutes. By October, the index decreases to 5, then further settles at 3 in November. Residents and visitors are advised to exercise caution during the high-risk months of April through August, using sunscreen, protective clothing, and seeking shade to minimize the risk of skin damage.

Monthly Maximum UV Index for Highland Park, United States

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

The table above highlights how UV exposure in Highland Park 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.

Highland Park'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
Highland Park	2	4	6	8	9	10	10	9	8	5	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