UV Index in Hartford City, United States

Last updated: May 3, 2025

In Hartford City, understanding the UV Index is crucial for protecting your skin and maintaining overall health. As sun exposure can lead to sunburn and long-term skin damage, being aware of daily UV levels enables residents to take precautionary measures, especially during peak hours. With a Cfa climate, Hartford experiences varying UV exposure, particularly in the summer months, where midday readings can soar to 10—a level that demands attention. By staying informed about UV risks, you can enjoy the sunshine while safeguarding your skin!

Hourly UV Index in Hartford City

As the sun rises, the UV Index begins its gentle ascent, starting at 1 at 07:00. By 09:00, it climbs to 3, hinting at the day's potential for sun exposure. The heat peaks around 12:00, reaching a blistering 9, and hits its maximum at 13:00 and 14:00, both at a high of 10—a critical time for sun safety. As the afternoon transitions to evening, the UV Index gradually dips; by 18:00, it's down to 2, and as twilight approaches, it settles back at 1 by 19:00. Plan your outdoor activities wisely to stay safe in the sun!

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
09:003moderate30 min
10:005moderate30 min
11:007high25 min
12:009very high15 min
13:0010very high15 min
14:0010very high15 min
15:008very high15 min
16:006high25 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Hartford City

Throughout the year, the UV Index exhibits significant seasonal fluctuations, with the highest levels occurring during the summer months. From March to September, the UV index reaches high to very high levels, peaking in May, June, and July at an index of 10, indicating a burn time of just 15 minutes. April also sees very high exposure with an index of 9. The months of March and October feature higher indexes of 7 and 6 respectively, classified as high, while the winter months of January, February, November, and December are categorized as moderate with indexes ranging from 3 to 5, allowing for longer exposure times of 30 minutes. Therefore, residents and visitors are advised to exercise extra caution during the high-risk months of April to September by using sunscreen, wearing protective clothing, and seeking shade, particularly during peak sun hours, to minimize the risk of skin damage.

Monthly Maximum UV Index for Hartford City, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Hartford City. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098653
Data source: Statistical UV Index data for Hartford City, 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 Hartford City UV Index with Other United States Cities

The table above highlights how UV exposure in Hartford City 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.
Hartford City'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
Hartford City357910101098653
Los Angeles UVI46891011111010754
Houston UVI589111112121110975