UV Index in Klamath Falls, United States

Last updated: June 2, 2025

Understanding the UV Index in Klamath Falls, United States is crucial for safeguarding your skin and overall health. As the sun's rays can be particularly intense during peak hours, being aware of UV levels can help prevent sunburn and long-term skin damage. With Klamath Falls' Csb climate, residents and visitors should be vigilant; the UV Index can reach as high as 11 during midday hours, posing significant risks. By monitoring the UV Index, you can enjoy the beautiful outdoor scenery while taking the necessary precautions to protect yourself from harmful ultraviolet radiation.

Hourly UV Index in Klamath Falls

The UV Index today showcases a striking pattern of intensity as the sun rises. Starting off at a mild 1 at 7:00 AM, the index climbs steadily, reaching 2 by 8:00 AM. A significant jump occurs at 9:00 AM, where it escalates to 4, setting the stage for a blazing midday. The peak sun exposure arrives at 12:00 PM with a scorching 11, persisting through 1:00 PM to 3:00 PM, indicating extreme UV levels. As the afternoon wanes, a gradual decline brings the index down to 9 by 3:00 PM, then gently descending to 4 by 5:00 PM. By evening, the sun's intensity fades to 2 at 6:00 PM and finally settles back to 1 at 7:00 PM. It's clear: today calls for sun safety measures during 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
09:004moderate30 min
10:007high25 min
11:009very high15 min
12:0011extreme10 min
13:0011extreme10 min
14:0011extreme10 min
15:009very high15 min
16:006high25 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Klamath Falls

Throughout the year, UV exposure fluctuates significantly, with high-risk months typically occurring from March to August. In March, the UV Index rises to a high level of 7, indicating a reduced burn time of 25 minutes. This escalates in April and May, where the Index reaches 9 and 11, respectively, marking a very high to extreme threat with burn times decreasing to as little as 10 minutes by May. June and July maintain this extreme rating, prompting strict sun safety precautions. While August experiences a slight drop to a very high rating of 10, the risk remains. As September approaches, UV levels decrease to 9, then gradually continue to decline through the fall and winter months, returning to a moderate level of 3 in December. Visitors and residents are strongly advised to take protective measures, particularly during the peak months, including wearing sunscreen, protective clothing, and minimizing sun exposure during peak hours to reduce the risk of UV-related harm.

Monthly Maximum UV Index for Klamath Falls, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Klamath Falls. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3579111111109643
Data source: Statistical UV Index data for Klamath Falls, 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 Klamath Falls UV Index with Other United States Cities

The table above highlights how UV exposure in Klamath Falls 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.
Klamath Falls'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
Klamath Falls3479111111109643
Los Angeles UVI46891011111010754
Houston UVI589111112121110975