UV Index in Oaktown, United States

Last updated: July 2, 2025

Understanding the UV Index in Oaktown, United States is essential for protecting your skin from harmful solar radiation. With UV levels peaking at a dangerous 10 during midday, awareness of these fluctuations can significantly help in preventing sunburn and maintaining long-term skin health. Given Oaktown’s climate, characterized by warm summers and mild winters, residents face unique UV exposure risks, particularly during the sunniest hours. Stay informed and proactive to enjoy the beautiful Californian sunshine safely!

Hourly UV Index in Oaktown

As the sun rises, the UV Index begins to climb steadily throughout the morning, starting at a mild 1 at 07:00 and peaking at 10 between 13:00 and 14:00. This signifies a significant risk of harm from unprotected sun exposure, urging folks to seek shade and slather on the sunscreen. Hours 10:00 and 11:00 see a sharp increase to 4 and 6, while midday brings the highest intensity at 8 and 10, marking a crucial time for sun safety. As afternoon transitions to evening, the index gradually declines, offering some relief, landing at 3 by 18:00. By nightfall, the risk wanes, falling back to 2. Remember, keeping aware of this UV trend is vital for staying 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
09:002low45 min
10:004moderate30 min
11:006high25 min
12:008very high15 min
13:0010very high15 min
14:0010very high15 min
15:009very high15 min
16:008very high15 min
17:005moderate30 min
18:003moderate30 min
19:002low45 min

Monthly UV Index Trends in Oaktown

The UV Index varies seasonally, with notable increases in the spring and summer months. High-risk months for UV exposure are March through August, where the index peaks at 11 in June, categorized as extreme. During this period, burn times sharply decrease, with a mere 10 minutes of sun exposure potentially leading to skin damage. In contrast, the winter months of January and December see a return to a moderate index of 3, allowing for 30 minutes without severe risk of burns. Visitors and residents should take precautions from March to August by seeking shade, wearing protective clothing, and applying sunscreen, especially during peak hours, to minimize the risk of UV-related health issues.

Monthly Maximum UV Index for Oaktown, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Oaktown. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098643
Data source: Statistical UV Index data for Oaktown, 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 Oaktown UV Index with Other United States Cities

The table above highlights how UV exposure in Oaktown 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.
Oaktown'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
Oaktown357910111099643
Los Angeles UVI46891011111010754
Houston UVI589111112121110975