UV Index in Loa, United States

Last updated: July 2, 2025

In Loa, United States, the UV Index plays a crucial role in helping residents and visitors stay informed about harmful solar radiation levels throughout the day. Understanding UV levels is vital for preventing sunburn and maintaining overall skin health, particularly since the region's Dfb climate can lead to increased sun exposure during warmer months. With the UV Index peaking at a staggering 13 around midday, it's essential to be proactive about sun safety to protect your skin and enjoy the outdoors responsibly.

Hourly UV Index in Loa

As the day unfolds, the UV Index begins its gradual ascent, starting at a modest 1 by 7:00 AM and creeping up to 2 by 8:00 AM. By 9:00 AM, it reaches 3, but the real intensity kicks in around 10:00 AM with a stark 6. The peak occurs at noon, where the index skyrockets to a blistering 11, signaling a high risk for unprotected skin. The sun's rays maintain their ferocity until 1:00 PM, with a maximum of 13, before slightly tapering off. The afternoon sees a gradual decline, with values dropping to 8 by 4:00 PM and settling to a safer 3 by 6:00 PM. As dusk approaches, the index retreats back to 1 by 7:00 PM, offering a reminder of the day’s intense solar exposure. Be sure to seek shade 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.
TimeUVICategoryTime to Burn
07:001low45 min
08:002low45 min
09:003moderate30 min
10:006high25 min
11:009very high15 min
12:0011extreme10 min
13:0013extreme10 min
14:0013extreme10 min
15:0011extreme10 min
16:008very high15 min
17:005moderate30 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Loa

The seasonal UV Index varies significantly throughout the year, with high-risk months predominantly occurring from March to August. The UV Index peaks in July, reaching a remarkable 13, while April and May also present extreme risk with indices of 11 and 12, respectively. Visitors and residents should exercise extra caution during these months, minimizing sun exposure and using protective measures like sunscreen or clothing. As January and December offer lower risk with a moderate exposure category and longer burn times, individuals should still remain vigilant year-round, particularly in the spring and summer.

Monthly Maximum UV Index for Loa, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Loa. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec479111212131210764
Data source: Statistical UV Index data for Loa, 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 Loa UV Index with Other United States Cities

The table above highlights how UV exposure in Loa 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.
Loa's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Chicago UVI34689101098642
Brooklyn UVI35681010998642
New York City UVI35681010998642
Los Angeles UVI46891011111010754
Loa479111212131210764
Houston UVI589111112121110975