Last updated: May 3, 2025
Understanding the UV Index in Ginoza, Japan is crucial for anyone who enjoys the abundant sunshine this beautiful coastal town has to offer. With UV levels peaking to a striking 13 around noon, being aware of these readings can significantly help in preventing sunburn and maintaining skin health. Ginoza, characterized by its Cfa climate, experiences warm temperatures and high UV exposure, especially during the midday hours. By keeping an eye on the UV Index, residents and visitors alike can take proactive measures to protect themselves from harmful rays and fully enjoy their time outdoors.
The UV Index exposure throughout the day exhibits a striking progression, peaking at 13 around noon. Starting from a gentle 1 at 7 AM, the index gradually escalates, hitting 3 by 8 AM. As the morning unfolds, it climbs to 5 by 9 AM, reaching a significant 9 by 10 AM. The afternoon sun intensifies, culminating in a maximum value of 11 at 11 AM before surging to its zenith at 12 PM. Following the high point, the index gradually declines, dropping to 12 at 1 PM, and tapering off to 10, 7, and finally 4 by mid to late afternoon. As the sun sets, the UV Index diminishes further, resting at 1 by 6 PM and continuing through 7 PM. It’s advisable to take precautions during peak hours, especially between 11 AM and 1 PM, to ensure safety under the sun.
| 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 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | 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, 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 |