UV Index in Two Harbors, United States

Last updated: July 2, 2025

Understanding the UV Index in Two Harbors, United States, is crucial for protecting your skin during outdoor activities. With peak UV levels often reaching 9 around midday, awareness of these fluctuations helps prevent sunburn and long-term skin health issues. Given Two Harbors' Dfb climate, residents and visitors must remain vigilant about UV exposure, especially as they enjoy the area's stunning natural beauty under the sun. Stay informed and take the necessary precautions to keep your skin safe while embracing the great outdoors!

Hourly UV Index in Two Harbors

As the sun rises, the UV Index begins its gradual ascent. At 7:00 AM, it starts at a modest 1, indicating minimal risk. By 8:00 AM, it rises to 2, still manageable for early risers. The intensity picks up at 9:00 AM with a 3, signaling the need for a little sunscreen. The peak arrives between 11:00 AM and 1:00 PM, where it soars to a striking 9 at 1:00 PM, which suggests strong sun protection is essential. Following this, the index slips down, recorded at 8 at 2:00 PM and 7 at 3:00 PM, offering a brief reprieve. As the afternoon fades into evening, the UV Index drops steadily, landing back at 1 by 7:00 PM. Stay informed and protect your skin during those 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
08:002low45 min
09:003moderate30 min
10:005moderate30 min
11:007high25 min
12:008very high15 min
13:009very high15 min
14:008very high15 min
15:007high25 min
16:005moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Two Harbors

Throughout the year, the UV Index exhibits significant seasonal variation. The low-risk months occur in January, December, and parts of November and October, when the UV Index remains at 2 or 3, allowing for safer sun exposure with longer burn times of up to 45 minutes. February and March show moderate levels with indices of 4 and 5, necessitating caution with a burn time of 30 minutes. As we move into April and lasting through August, the UV Index spikes to 8 or 9, categorizing these months as very high risk, where the burn time drops to just 15 minutes. The risk begins to decline from September (UV Index 7) to 5 in October, calling for moderate sun safety measures again. For both residents and visitors, it is crucial to stay informed and take preventative steps against UV exposure, particularly during the peak months of April through August, such as wearing protective clothing and using sunscreen.

Monthly Maximum UV Index for Two Harbors, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Two Harbors. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec245889987432
Data source: Statistical UV Index data for Two Harbors, 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 Two Harbors UV Index with Other United States Cities

The table above highlights how UV exposure in Two Harbors 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.
Two Harbors's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Two Harbors245889987532
Chicago UVI34689101098642
Brooklyn UVI35681010998642
New York City UVI35681010998642
Los Angeles UVI46891011111010754
Houston UVI589111112121110975