Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Tecumseh, USA, where the Dfa climate brings substantial sun exposure, especially during the warmer months. The UV levels in our area can vary significantly throughout the day, peaking at a level 9 between noon and 2 PM, indicating a high risk of harm from unprotected sun exposure. By being aware of these UV levels, you can take proactive steps to prevent sunburn and promote skin health, ensuring that you enjoy the outdoors safely. Stay informed, protect your skin, and make the most of Tecumseh's beautiful, sun-filled days!
The UV Index today showcases a significant rise in sunlight intensity, peaking around 12:00 PM to 2:00 PM with a striking 9. Early morning hours start off modestly, with values of 1 at 7:00 AM and 8:00 AM, gradually increasing to 3 by 9:00 AM. As the day heats up, it climbs to 4 by 10:00 AM and surges to 7 by 11:00 AM. This upward trend continues until it reaches its zenith at 9, indicating a higher risk of harm from unprotected sun exposure. After this peak, the index starts to decline, slipping to 8 by 3:00 PM and then tapering off to 4 by 5:00 PM. As the evening unfolds, the UV levels drop to 2 at 6:00 PM and settle back at 1 by 7:00 PM, reminding us of the importance of protection during midday hours when the sun is most aggressive.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant fluctuations throughout the year, with high-risk months primarily occurring from April to September. During this period, UV levels reach their peak, particularly in June and July, where the index consistently measures 10, indicating a very high exposure category and a burn time of just 15 minutes. In contrast, the UV Index is at its lowest in January and December (index of 2), categorized as low, allowing for a safer exposure time of 45 minutes. Visitors and residents are advised to take appropriate precautions during high-risk months, including wearing protective clothing, using sunscreen, and seeking shade, especially during the midday hours when the sun's rays are the strongest.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tecumseh | 2 | 5 | 5 | 9 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 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 |