UV Index in Saint Francisville, United States

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Saint Francisville, as it serves as a key indicator of sun exposure and its potential health risks. With the region's Cfa climate, characterized by hot summers and ample sunshine, awareness of UV levels can help prevent sunburn and protect long-term skin health. Notably, during peak hours between 11 AM and 1 PM, UV Index readings can soar to a maximum of 10, indicating a very high risk of harm from unprotected sun exposure. Staying informed about the UV Index not only encourages responsible outdoor activities but also fosters a healthier community overall—so don’t forget to check the UV forecast before heading outside!

Hourly UV Index in Saint Francisville

As the day unfolds, the UV Index reveals a dynamic pattern that encourages cautious sun exposure. Starting gently at 1 at 07:00, the intensity slowly climbs to a moderate 2 by 08:00. However, the real ascent begins at 09:00, when the index reaches 4. The peak occurs between 12:00 and 13:00, with an impressive 10, indicating a high risk of harm from unprotected sun exposure. Following this peak, the UV levels gradually decline, dipping to 9 at 14:00 and then decreasing further to 3 by 17:00. As evening approaches, the UV Index wanes to 1 by 18:00 and 19:00, emphasizing the importance of smart sun safety, especially during the midday hours when the sun's rays are most potent.

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
12:0010very high15 min
13:0010very high15 min
14:009very high15 min
15:007high25 min
16:005moderate30 min
17:003moderate30 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Saint Francisville

The UV Index exhibits significant seasonal changes, with the highest levels occurring from March to September. Visitors and residents should be particularly cautious during the high-risk months of April, May, June, July, August, and September, when UV exposure reaches very high to extreme levels, with burn times as low as 10 to 15 minutes. In contrast, January, February, November, and December experience moderate UV levels, allowing for longer safe exposure times of 30 minutes. To minimize the risk of skin damage, it is advised that individuals wear appropriate sun protection, such as sunscreen, hats, and protective clothing, especially during peak UV hours from 10 AM to 4 PM.

Monthly Maximum UV Index for Saint Francisville, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Saint Francisville. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3571010111098643
Data source: Statistical UV Index data for Saint Francisville, 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 Saint Francisville UV Index with Other United States Cities

The table above highlights how UV exposure in Saint Francisville 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.
Saint Francisville'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
Saint Francisville3571010111099743
Los Angeles UVI46891011111010754
Houston UVI589111112121110975