UV Index in Columbus, United States

Last updated: May 3, 2025

Understanding the UV Index in Columbus, United States is crucial for safeguarding your skin health and preventing painful sunburns, especially in this humid subtropical climate. With UV levels peaking between 11 AM and 3 PM—reaching a maximum of 11—it's important to be vigilant about sun exposure during these hours. By being aware of UV index levels, you can take the necessary precautions to enjoy the beautiful sunny days in Columbus while minimizing the risks associated with harmful ultraviolet radiation. Stay informed, stay protected!

Hourly UV Index in Columbus

At 07:00, the UV Index starts at a mild 1, ideal for leisurely morning activities. By 09:00, it gently rises to 2, still quite manageable. However, as the sun climbs higher, the UV Index soars dramatically, peaking at an intense 11 between 13:00 and 14:00—a time when sun protection is crucial. Even the hour preceding this peak, 12:00, reaches 9, signaling serious sun exposure. Fortunately, as the afternoon wanes, the index gradually declines, returning to 5 by 17:00 and finally settling back to 1 by 19:00. For optimal safety, it’s best to seek shade during the peak hours of 11:00 to 15:00 when UV rays are most potent. Stay safe and enjoy the sunshine responsibly!

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
08:001low45 min
09:002low45 min
10:005moderate30 min
11:007high25 min
12:009very high15 min
13:0011extreme10 min
14:0011extreme10 min
15:0010very high15 min
16:007high25 min
17:005moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Columbus

The UV Index exhibits significant seasonal variation, peaking during the summer months. From January (UV Index 4) to February (UV Index 7), exposure remains moderate to high, with burn times shortening as spring approaches. The months of March and April see a sharp increase in UV levels (9 and 10 respectively), indicating very high risk for sunburn, with a burn time of just 15 minutes. The extreme category dominates from May to August (UV Index 11), where even brief sun exposure can result in burns within 10 minutes. As we move into September and October, the index drops to 10 and 8, maintaining a very high risk, before returning to a moderate level in November and December (UV Index 6 and 4). Visitors and residents are strongly advised to take precautions, especially from March through October, by wearing protective clothing, using sunscreen, and seeking shade during peak sun hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Columbus, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Columbus. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec479101111111110864
Data source: Statistical UV Index data for Columbus, 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 Columbus UV Index with Other United States Cities

The table above highlights how UV exposure in Columbus 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.
Columbus'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
Columbus479101111111110864
Houston UVI589111112121110975