Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Ino, Japan, where the subtropical Cfa climate brings varying UV exposure throughout the year. Recognizing UV levels not only helps in preventing painful sunburns but is also vital for maintaining long-term skin health. With peak UV Index values reaching as high as 11 between 11:00 AM and 1:00 PM, it's essential to stay informed about UV risks during these hours to safeguard against harmful effects. Embrace the sun safely in Ino by staying aware and protected!
The UV Index begins its climb at 7:00 AM with a low level of 2, signaling a gentle start to the day. By 9:00 AM, it surges to 6, as the sun strengthens. The peak occurs around 11:00 AM to 1:00 PM, where it reaches a high of 11, indicating a need for sun protection. After this peak, the UV levels gradually decline, dipping to 9 by 2:00 PM and further to 3 by 4:00 PM. As the sun sets, the intensity decreases quickly, reaching 1 at 6:00 PM and finally dropping to 0 by 7:00 PM. This data highlights the midday hours as the most critical time for sun 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 | 9 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 11 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 9 | 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 | 0 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, with the highest risk months occurring from March to August, where it often reaches extreme levels. Notably, April, May, June, July, and August all register a UV Index of 12, indicating critical exposure levels with a burn time of only 10 minutes. Visitors and residents should take precautions during these months, such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours. Conversely, from January to February and October to November, the UV levels are lower, categorized as moderate to high, allowing for a more comfortable outdoor experience, although caution is still advised. In December, the UV Index drops back to 4, reverting to a moderate category where burn time extends to 30 minutes, making it the safest month for outdoor activities. Overall, awareness of the UV Index can help individuals protect themselves from harmful sun exposure 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 |
Ino | 4 | 6 | 9 | 11 | 11 | 12 | 12 | 12 | 10 | 7 | 6 | 4 |