Last updated: May 3, 2025
Understanding the UV Index in Aki-takata, Japan is vital for protecting your skin from harmful ultraviolet rays. With UV levels peaking at 11 around midday, residents and visitors alike must stay vigilant to prevent sunburn and promote long-term skin health. Aki-takata's Cfa climate brings warm summers and moderate UV exposure, making awareness of daily UV changes essential for enjoying the outdoors safely. By keeping an eye on the UV Index, you can better plan your activities and take necessary precautions, ensuring a healthy and enjoyable experience in this beautiful region.
The UV Index paints a vivid picture of the sun's intensity throughout the day. Starting with a gentle 2 at 7:00 AM, the index climbs steadily, reaching 3 by 8:00 AM. As the sun rises higher, it peaks at an impressive 11 at noon, signaling a time when sun protection is crucial. The index begins to taper off in the afternoon, with readings of 10 at 1:00 PM and 8 at 2:00 PM, before gradually decreasing to 6 at 3:00 PM. By late afternoon, the UV Index returns to a more moderate 3 at 4:00 PM, and continues to decline, settling at 1 by 6:00 PM. It’s clear that the midday sun demands respect, making awareness of UV levels essential for outdoor safety.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | 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 exposure levels fluctuate significantly, with the highest risk months occurring from March through August, when the UV Index peaks at 11-12 and reaches an extreme exposure category, resulting in a burn time as short as 10 minutes. In contrast, the lowest risk months are January, December, and November, which present a moderate UV Index of 4-5 and allow for longer exposure times without risk of burning (30 minutes). Visitors and residents should remain vigilant during the high-risk months, employing protective measures such as sunscreen, protective clothing, and limiting direct sun exposure, especially during peak hours. It is crucial to stay aware of the changing UV Index to ensure safe enjoyment of outdoor activities year-round.
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 |
| Aki-takata | 4 | 6 | 8 | 11 | 11 | 11 | 12 | 12 | 10 | 7 | 5 | 4 |