Last updated: July 2, 2025
In Oshamambe, Japan, awareness of the UV Index is crucial for safeguarding your skin against harmful sun exposure. Understanding UV levels not only helps in preventing sunburn but also plays a significant role in maintaining long-term skin health. With a Dfb climate that brings sunny days and varying UV intensity, residents and visitors alike should be mindful of the peak UV times—especially between 10:00 AM and 2:00 PM, when indices can soar to 10. Stay informed and protect yourself in this vibrant region with this essential UV Index guide!
As the sun rises, the UV Index begins its ascent, peaking at 10 during the noon hour. Starting at a modest 2 at 07:00, the UV levels climb steadily, reaching 9 by 11:00 and holding strong at 10 by 12:00—a reminder to seek shade and apply sunscreen during this time. After noon, the index starts to taper off, dropping to 5 by 15:00, and sinking further to 1 by 17:00, where it remains until sunset. This data highlights the importance of being sun-smart, especially during the peak hours around midday when UV exposure is at its highest. Stay vigilant and protect your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal changes, with the highest levels typically occurring during the summer months. From May to August, the UV Index peaks at 10, classifying these months as very high risk for sun exposure, with a quick burn time of only 15 minutes. April also presents a high risk (UV Index 7), followed by September (UV Index 8) which remains at a very high level. Conversely, during the winter months of January and December, the UV Index drops to 2, indicating a low risk for UV exposure, while February and November show moderate levels (UV Index 3). Visitors and residents are advised to take precautions during the high-risk months, including wearing sunscreen, protective clothing, and seeking shade, especially between 11 a.m. and 4 p.m. when UV exposure is at its peak.
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 |
| Oshamambe | 2 | 3 | 5 | 7 | 9 | 10 | 10 | 10 | 8 | 6 | 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 |