UV Index in Tooele, United States

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents of Tooele, United States. With its Cfa climate, the city experiences significant sun exposure, particularly during the summer months. Awareness of UV levels helps in preventing sunburn and promoting long-term skin health. For instance, midday UV Index readings can soar to 11, indicating a high risk of harm from unprotected sun exposure. This knowledge empowers locals to take necessary precautions, ensuring a safe and enjoyable time outdoors while protecting their skin from potential damage.

Hourly UV Index in Tooele

The UV Index throughout the day presents a striking pattern that underscores the importance of sun protection. Starting from a modest 1 at 07:00, the index gradually climbs, reaching 2 by 08:00. A noticeable rise occurs as the day progresses, peaking at a blistering 11 between 13:00 and 14:00—the critical hours when UV exposure is at its highest. After this zenith, the index gracefully tapers down, showcasing 10 at 15:00, followed by a decline to 5 by 17:00. As evening approaches, values drop dramatically to 3 by 18:00, and finally, the day concludes with a safe 1 at 19:00. This data clearly highlights the importance of taking precautions during peak hours to safeguard against harmful UV rays.

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	1	low	45 min
09:00	2	low	45 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	9	very high	15 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	9	very high	15 min
16:00	7	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 Tooele

Throughout the year, UV levels fluctuate significantly, indicating varying risk for skin damage due to sun exposure. The highest risk months occur from April to August, where the UV Index reaches extreme levels (11-12), resulting in a burn time as short as 10 minutes during peak hours. Specifically, May and June are critical months, as the UV Index peaks at 11 and 12 respectively. Visitors and residents should take extra precautions in these months, such as seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly. In contrast, January, December, and November present moderate UV conditions with an Index of 3-5, allowing for longer exposure times. Overall, awareness of seasonal UV changes can help individuals better protect themselves from harmful sun exposure.

Monthly Maximum UV Index for Tooele, United States

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

The table above highlights how UV exposure in Tooele 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.

Tooele'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
Tooele	3	5	7	9	11	12	11	11	9	6	5	3
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