Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Takahama, Japan, where the sun's rays can pose significant health risks. With a humid subtropical climate (Cfa), Takahama experiences varying levels of UV exposure throughout the day, peaking at an intense 11 during midday hours. This knowledge empowers individuals to protect themselves from sunburn and long-term skin damage by taking appropriate precautions. By staying informed about UV levels, you can enjoy the beautiful outdoors while safeguarding your skin health in this vibrant coastal city.
The UV Index for the day follows a dynamic trend, peaking during the midday hours. Starting at a modest 2 at 7:00 AM, the intensity gradually intensifies, reaching 4 by 8:00 AM. As the sun climbs higher, the index escalates significantly, hitting a striking 9 at 10:00 AM and reaching its zenith of 11 at 12:00 PM. After this peak, a gradual decline sets in, with the index dropping to 5 by 3:00 PM before tapering off to 1 by 5:00 PM. The day concludes with a UV Index of 0 by 7:00 PM, signaling a clear drop in potential UV exposure. It's a reminder to stay sun-smart, especially during the midday hours when the UV rays are at their strongest!
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 | 9 | 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 | 5 | moderate | 30 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, UV levels show significant seasonal variation, peaking during the late spring and summer months from May to August, when the UV Index reaches extreme levels of 11, indicating a burn time of just 10 minutes. The high-risk months for sun exposure are May, June, July, and August, when it’s essential for residents and visitors to take precautions such as wearing protective clothing, applying sunscreen, and seeking shade during peak sunlight hours. In contrast, January, February, November, and December present a lower risk with moderate UV Index levels, allowing more time for safe sun exposure (up to 30 minutes). As UV levels begin to drop in the fall months, particularly in October, it's still wise to maintain sun safety practices, especially as the index remains relatively high.
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 |
Takahama | 4 | 5 | 8 | 10 | 11 | 11 | 11 | 11 | 10 | 7 | 5 | 3 |
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 |