UV Index in Sparks, United States

Last updated: July 2, 2025

Understanding the UV Index in Sparks, United States is crucial for protecting your skin and overall health. This simple yet essential measure helps residents gauge the intensity of ultraviolet radiation during the day, guiding them in sunburn prevention and long-term skin care. With Sparks' BWk climate characterized by sunny conditions, UV levels can soar, especially from midday to early afternoon when they peak at a striking 12 to 13. By staying informed about UV exposure risks, you can enjoy the beautiful outdoors while keeping your skin safe and healthy.

Hourly UV Index in Sparks

The UV Index throughout the day demonstrates a dramatic rise, peaking at 13 between 1 PM and 2 PM. Early morning starts off gently, with a maximum of just 1 at 7 AM, gradually climbing to 2 by 8 AM. As the sun climbs higher, the intensity increases rapidly, hitting 9 at 11 AM and soaring to its zenith of 12 at noon. After this peak, the index begins its descent, tapering to 10 by 3 PM, and further dwindling to 4 by 5 PM, ultimately calming to 1 as evening approaches. This hourly ebb and flow underscores the importance of sun safety measures, particularly during the midday hours when the UV exposure can be intense.

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
09:004moderate30 min
10:007high25 min
11:009very high15 min
12:0012extreme10 min
13:0013extreme10 min
14:0012extreme10 min
15:0010very high15 min
16:007high25 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Sparks

Throughout the year, UV levels fluctuate significantly, with the highest risks occurring from April to September. During these months, the UV Index consistently reaches extreme levels, peaking at 13 in May and June. In these high-risk months, burn time decreases dramatically to as little as 10 minutes, necessitating vigilant sun protection. February and March also present very high UV levels (8 and 10, respectively), with a burn time of just 15 minutes. In contrast, the lowest UV exposure can be found in January, November, and December, with moderate to high levels that provide burn times of up to 30 minutes. Residents and visitors should ensure they wear appropriate sunscreen, protective clothing, and seek shade during peak hours, especially from April to September, to safeguard against harmful UV radiation.

Monthly Maximum UV Index for Sparks, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sparks. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec5810121313131211965
Data source: Statistical UV Index data for Sparks, 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 Sparks UV Index with Other United States Cities

The table above highlights how UV exposure in Sparks 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.
Sparks'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
Houston UVI589111112121110975
Sparks5810121313131211965