Last updated: June 2, 2025
In Ginoza, Japan, being aware of the UV Index is essential for safeguarding your skin and overall health. Understanding UV levels is crucial not only for preventing sunburn but also for reducing long-term skin damage and the risk of skin cancer. With Ginoza's Cfa climate characterized by warm, humid summers and mild winters, residents and visitors should be particularly mindful of daily UV exposure. Notably, peak UV levels can soar to 13 around midday, highlighting the importance of taking protective measures during the sunniest hours. Stay informed and enjoy the beautiful outdoor activities Ginoza has to offer, while prioritizing your skin's safety!
From the early morning hours, the UV Index steadily rises, beginning at a gentle 1 at 7:00 AM. As the sun climbs higher, it reaches 3 by 8:00 AM before surging to 6 at 9:00 AM. The peak occurs between 11:00 AM and 1:00 PM, with an intense UV Index of 12 at 11:00 AM and a maximum of 13 at both 12:00 PM and 1:00 PM. As the afternoon progresses, the index starts to decline, dropping to 11 at 2:00 PM, then to 8 by 3:00 PM, and further down to 5 at 4:00 PM. Finally, as the sun sets, the risk decreases significantly, ending the day at 1 by 6:00 PM, illustrating a classic curve of sun intensity throughout the day. Remember to take precautions during the peak hours to protect your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal changes, with the highest levels occurring from March to September. During these months, the UV Index consistently reaches an extreme level of 12 to 13, resulting in a burn time of just 10 minutes—a clear warning for both residents and visitors to take precautions. Notably, February to October also features high to very high UV exposure, particularly in the spring and summer months. Therefore, it is crucial to limit sun exposure during these high-risk months, wear adequate sun protection such as sunscreen, hats, and sunglasses, and seek shade whenever possible to reduce the risk of harmful UV damage. In contrast, the winter months (January, November, December) present lower UV levels, with a maximum index of 9, but precautions should still be taken, especially for prolonged outdoor activities.
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 |
| Ginoza | 7 | 9 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 9 | 9 | 6 |