UV Index in Jasper, United States

Last updated: June 2, 2025

Understanding the UV Index in Jasper, United States, is crucial for maintaining skin health and preventing sunburn. With typical summer days in this Cfa climate zone, UV levels can soar, peaking at a high 11 around midday, which calls for vigilance against harmful sun exposure. By staying informed about UV levels throughout the day, residents and visitors can take proactive steps to protect their skin and enjoy the beautiful outdoors safely. Whether planning a hike or simply relaxing in the sun, being aware of the UV Index can make a significant difference in your overall well-being.

Hourly UV Index in Jasper

The UV Index reveals a dynamic shift throughout the day, starting from a gentle 1 at 7:00 AM and climbing steadily to a peak of 12 at 1:00 PM. Between 10:00 AM and 2:00 PM, sun exposure is most intense, with values reaching 9 and 11, making it crucial for outdoor activities to come with protective measures. As the afternoon progresses, the index begins to decline, offering relief with readings of 9 at 3:00 PM, 7 at 4:00 PM, and tapering off to 2 by 6:00 PM. For evening relaxation, the UV Index settles back to a minimal 1 by 7:00 PM, providing a gentle close to the day's solar intensity.

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
13:0012extreme10 min
14:0011extreme10 min
15:009very high15 min
16:007high25 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Jasper

The UV Index shows a clear seasonal trend, with highest levels of ultraviolet radiation occurring from March to August, reaching a peak of 12 in June and July. February through April are also of concern, with very high levels requiring careful protection. The high-risk months are undoubtedly May through August, where the UV Index falls between 11 and 12, indicating an extreme exposure category and a significantly reduced burn time of just 10 minutes. Residents and visitors are strongly advised to take precautions during these months, such as wearing protective clothing, applying sunscreen with a high SPF, and avoiding direct sunlight during peak hours. From November to March, UV radiation is comparatively lower, but caution is still advised, particularly in February and March when the UV Index rises again. Staying informed and protected is essential to ensure skin safety year-round.

Monthly Maximum UV Index for Jasper, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Jasper. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec589101212121110864
Data source: Statistical UV Index data for Jasper, 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 Jasper UV Index with Other United States Cities

The table above highlights how UV exposure in Jasper 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.
Jasper'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
Jasper589101112121110864
Houston UVI589111112121110975