UV Index in Fernley, United States

Last updated: June 2, 2025

In Fernley, United States, understanding the UV Index is essential for protecting your skin and overall health. With UV levels peaking at 12 around midday, residents and visitors must be vigilant to prevent sunburn and long-term skin damage. As a city nestled in a BWk climate zone, Fernley experiences intense sunlight, particularly during the summer months, making UV awareness even more critical. By staying informed about daily UV exposure risks, you can enjoy the outdoors safely while safeguarding your skin from harmful effects.

Hourly UV Index in Fernley

The UV Index demonstrates a striking rise as the day unfolds, peaking between 12:00 PM and 1:00 PM with a blistering 12. Early risers enjoy relatively low levels, starting at 1 at 7:00 AM and climbing to 2 by 8:00 AM. As the sun reaches its zenith, UV levels spike dramatically, hitting 10 at 11:00 AM and reaching peak intensity at 12:00 PM. The afternoon offers a gradual decline, with values waning to 9 by 3:00 PM and easing further to 4 at 5:00 PM. As daylight wanes, the index drops to a gentle 2 by 6:00 PM, and finally retreats to a soothing 1 by 7:00 PM, showcasing the importance of midday sun safety while enjoying outdoor activities.

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	7	high	25 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	9	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 Fernley

The UV Index experiences significant seasonal variation, with high-risk months peaking from March through August. During this period, particularly in May, June, and July, the UV Index reaches extreme levels of 11 to 12, resulting in a burn time of just 10 minutes. Visitors and residents are strongly advised to take precautions during these months by wearing sunscreen, protective clothing, and seeking shade whenever possible. As summer transitions into fall, the UV levels decline, with September still presenting a very high index of 9, before tapering off to moderate levels in October and beyond. To ensure safety, it's essential to remain vigilant about UV exposure, especially when the index is at its peak.

Monthly Maximum UV Index for Fernley, United States

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

The table above highlights how UV exposure in Fernley 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.

Fernley'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
Fernley	4	5	8	9	11	12	12	11	9	7	4	3
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5