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!
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!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
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.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Two Harbors | 2 | 4 | 5 | 8 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Chicago UVI | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |
| Brooklyn UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| New York City UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |