UV Index in Pontiac, United States

Last updated: July 2, 2025

In Pontiac, United States, being aware of the UV Index is crucial for safeguarding your skin and promoting overall health. As UV levels fluctuate throughout the day, it’s essential to understand these values to prevent sunburn and minimize long-term skin damage. Pontiac typically experiences a Dfb climate, characterized by distinct seasons and varying UV exposure risks, especially during the peak sunshine hours, where the index can reach a high of 10 between noon and 2 PM. Staying informed about local UV conditions empowers residents to take the necessary precautions to enjoy the outdoors safely.

Hourly UV Index in Pontiac

The UV Index throughout the day presents a dynamic picture of sun intensity. Starting off gently, the morning hours at 07:00 and 08:00 register a low index of 1, perfect for early risers. As the sun climbs higher, the UV index rises sharply, hitting 4 by 10:00 and peaking at a striking 10 between 13:00 and 14:00—an indicator of potential harm to unprotected skin. After this zenith, the UV levels begin to gracefully descend, settling back to 4 by 17:00 and tapering down to 1 again by 19:00. It’s a vivid reminder that while midday sun can be inviting, protection is essential 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
08:001low45 min
09:003moderate30 min
10:004moderate30 min
11:007high25 min
12:008very high15 min
13:0010very high15 min
14:0010very high15 min
15:008very high15 min
16:007high25 min
17:004moderate30 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Pontiac

Throughout the year, the UV Index varies significantly, reflecting seasonal changes in sun exposure and risk. January and December feature low UV levels (index of 2), with burn times of 45 minutes, providing a safer window for outdoor activities. However, as we transition into February and March, the index rises to moderate levels (4 and 5), shortening burn times to 30 minutes. The arrival of April marks the beginning of high-risk months, peaking in June and July when the UV Index reaches a critical 10, indicating very high exposure risks and necessitating protective measures with burn times of just 15 minutes. August remains similarly high with an index of 9, but the risk begins to decrease in September (UV index 7) and continues to diminish towards October and November. Residents and visitors are advised to prioritize sun safety during the spring and summer months; apply broad-spectrum sunscreen, wear protective clothing, and seek shade during peak hours, especially from April to August.

Monthly Maximum UV Index for Pontiac, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Pontiac. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097542
Data source: Statistical UV Index data for Pontiac, 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 Pontiac UV Index with Other United States Cities

The table above highlights how UV exposure in Pontiac 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.
Pontiac's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Pontiac24589101097542
Chicago UVI34689101098642
Brooklyn UVI35681010998642
New York City UVI35681010998642
Los Angeles UVI46891011111010754
Houston UVI589111112121110975