UV Index in Lafayette, United States

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Lafayette, United States, where the Cfa climate brings warm summers and significant sun exposure. As UV levels soar—reaching a peak of 11 from noon to early afternoon—awareness of these levels is essential for preventing sunburn and maintaining long-term skin health. With Lafayette's sunny weather posing heightened risks, keeping an eye on the UV Index can help you protect your skin while enjoying the outdoors safely. Whether planning a morning stroll or an afternoon gathering, monitor the UV Index to ensure you stay safe under the sun!

Hourly UV Index in Lafayette

The UV Index for today presents a striking pattern of fluctuating intensity, peaking at 11 between 12:00 and 13:00. As the sun rises, the index starts at a gentle 1 at 07:00, gradually climbing to 2 by 08:00. A noticeable surge occurs, reaching 4 at 09:00, and continuing to escalate until it hits the maximum of 11 at midday. Following this zenith, the UV Index dips gradually, dropping to 9 by 14:00, before tapering off into the evening with values of 5 at 16:00 and dwindling to 1 by 18:00. This data highlights the importance of sun protection during the midday hours, when UV radiation is at its highest. Stay safe and enjoy the sunshine!

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
14:009very high15 min
15:007high25 min
16:005moderate30 min
17:002low45 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Lafayette

Throughout the year, the UV Index shows significant seasonal changes, particularly peaking during the summer months. From January to February, the UV Index rises from a moderate level of 4 to a high 7, indicating the need for increased sun protection. The months of March through August are notably high-risk, as the UV Index remains in the very high to extreme category, reaching a peak of 11 in May through August, with a burn time of only 10 minutes; therefore, individuals should practice stringent sun safety, including wearing protective clothing and using sunscreen frequently. As we move into September and October, the UV Index decreases but remains a concern, especially in September with a UV of 10. By November and December, the levels drop back to moderate (4) and high (6), allowing for a temporary respite. Visitors and residents should remain vigilant during the high-risk months and adopt protective measures against harmful UV exposure, particularly from March through October.

Monthly Maximum UV Index for Lafayette, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Lafayette. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: Statistical UV Index data for Lafayette, 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 Lafayette UV Index with Other United States Cities

The table above highlights how UV exposure in Lafayette 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.
Lafayette'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
Lafayette478101111111110864
Houston UVI589111112121110975