Last updated: June 2, 2025
Understanding the UV Index is essential for residents of Fairfax Station, United States, as it play a crucial role in protecting your skin from harmful UV radiation. With UVA and UVB rays capable of causing sunburn and long-term skin damage, being aware of daily UV levels is vital for maintaining skin health. In this region, characterized by a humid subtropical climate, the UV Index can peak at a robust 10 during midday hours, presenting a significant risk for sun-related health issues. Stay informed and take necessary precautions to enjoy the outdoors safely!
As the sun rises, the UV Index begins its ascent, peaking at an invigorating 10 by 1:00 PM. Early morning, from 7:00 AM to 8:00 AM, sees a mild 1 to 2, making it a perfect time for a leisurely stroll. By 9:00 AM, the UV Index reaches 3, signaling a need for some sun protection. The real intensity kicks in around 11:00 AM, hitting 8, and just after noon, it soars to its daily maximum of 9. The afternoon hours see a slight decline, with values tapering from 9 at 2:00 PM to 6 by 4:00 PM. As daylight wanes, the UV Index gently drops to 1 by 7:00 PM, wrapping up a day of vibrant sunlight but reminding us to stay vigilant during those peak hours. Remember to reapply sunscreen and seek shade to keep safe while enjoying those sunny moments!
| 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 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | 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 |
Throughout the year, the UV Index demonstrates significant seasonal changes, highlighting the need for awareness regarding sun exposure. From January to February, UV levels are moderate (index 3-5), with a burn time of 30 minutes. As spring arrives in March, the index rises to 7, indicating high exposure risk with a reduced burn time of 25 minutes. The peak risk occurs from April through August, where the index reaches its highest levels (9-10) and burn times drop to just 15 minutes, categorizing these months as very high risk. In September and October, the UV index remains significant but decreases to high levels (7-8) with a burn time of 25 minutes. November and December return to moderate levels (index 3-5) with a burn time of 30 minutes. For visitors and residents alike, it is crucial to take protective measures, especially during the high-risk months from April to August, by using sunscreen, wearing protective clothing, and seeking shade during peak sunlight hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Fairfax Station | 3 | 5 | 7 | 9 | 10 | 10 | 10 | 9 | 8 | 7 | 5 | 3 |
| 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 |