Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors of Ebino, Japan, where the climate typically falls within the Cfa zone, leading to significant variations in UV exposure throughout the day. With peak UV levels reaching an intense 12 during midday, being aware of these fluctuations is essential for sunburn prevention and maintaining long-term skin health. This awareness becomes increasingly important as Ebino experiences ample sunshine, making it easy to overlook the risks of overexposure. By monitoring the UV Index, you can enjoy the beautiful outdoors safely, ensuring that your time in this stunning locale doesn't come at the cost of your skin.
The UV Index for the day reveals a dynamic shift in sun exposure, peaking dramatically between 11:00 AM and 1:00 PM. Starting the morning with a mild maximum of 2 at 7:00 AM, the index steadily rises, reaching 12 by midday—an indication of high risk for harm from unprotected sun exposure. As the afternoon progresses, it dips to 10 at 2:00 PM and then gradually decreases to a more moderate level of 4 by 4:00 PM. By the evening, the UV Index settles back down to 1 by 6:00 PM, signaling a safe time to enjoy the outdoors again. Be sure to protect your skin during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV index levels show significant variation, with the highest risk months being May through September, where the index reaches an extreme level of 12 and a burn time as short as 10 minutes. Notably, March and April also pose high risks with a very high index of 10. In contrast, the UV index drops to moderate levels in January (5) and December (4), allowing for safer sun exposure. Visitors and residents are advised to remain vigilant during the high and extreme UV months, applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade, particularly between 10 AM and 4 PM when UV radiation is strongest.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sapporo UVI | 2 | 3 | 6 | 7 | 9 | 9 | 9 | 10 | 8 | 5 | 3 | 2 |
| Yokohama UVI | 3 | 5 | 8 | 9 | 11 | 11 | 11 | 11 | 10 | 7 | 5 | 4 |
| Tokyo UVI | 3 | 5 | 8 | 9 | 11 | 11 | 11 | 11 | 10 | 7 | 5 | 4 |
| Nagoya UVI | 4 | 6 | 8 | 10 | 11 | 11 | 11 | 11 | 10 | 7 | 5 | 3 |
| Osaka UVI | 4 | 6 | 8 | 11 | 11 | 11 | 12 | 11 | 10 | 7 | 5 | 3 |
| Ebino | 5 | 6 | 10 | 10 | 12 | 12 | 12 | 12 | 11 | 8 | 6 | 4 |