UV Index in Holladay, United States

Last updated: June 2, 2025

Understanding the UV Index in Holladay, United States is crucial for safeguarding your skin against the harmful effects of UV radiation. With rising levels typically peaking around midday, being aware of UV levels can help you prevent sunburn and protect your long-term skin health. Located in a Dfb climate zone, Holladay experiences a unique mix of seasonal weather that can impact UV exposure, especially in summer months when indices can reach a striking 12. Stay informed and proactive to enjoy the outdoors safely while minimizing skin damage!

Hourly UV Index in Holladay

The UV Index today showcases a dramatic rise as the sun reaches its peak. Starting at a gentle 1 at 07:00, the index escalates steadily, reaching its first significant benchmark of 3 by 09:00. However, the real intensity kicks in at 10:00, soaring to 6 and peaking at 12 during the hour of 13:00, and maintaining that blistering level until 14:00. After this peak, the UV Index starts to decline, dropping to 10 by 15:00, and gently fading to 5 by 17:00, before settling back to a safer 1 by 19:00. This highlights the importance of protecting your skin during the midday hours when the UV exposure is at its maximum.

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	6	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	12	extreme	10 min
15:00	10	very high	15 min
16:00	7	high	25 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Holladay

Throughout the year, UV levels vary significantly, with the highest indexes observed from April to August. During these months, the UV Index reaches extreme levels of 11 to 12, resulting in a critical burn time of just 10 minutes. March and September follow closely with very high levels, where individuals are at risk for skin damage in as little as 15 minutes. January and December offer more moderate exposure with indexes of 3 to 4, allowing for burn times of 30 minutes. Visitors and residents are strongly advised to take precautions from March through September, using sunscreen, wearing protective clothing, and seeking shade during peak hours, typically between 10 a.m. and 4 p.m. to minimize UV-related health risks.

Monthly Maximum UV Index for Holladay, United States

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

The table above highlights how UV exposure in Holladay 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.

Holladay'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
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Holladay	4	6	8	11	11	12	12	11	9	6	5	3
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5