Last updated: May 3, 2025
Understanding the UV Index in Urakawa, Japan is essential for protecting your skin and overall health. This area, characterized by a Dfb climate, experiences varying UV levels throughout the day, peaking dramatically between 10:00 AM and 1:00 PM. Being aware of the UV Index can help you take proactive measures against sunburn and long-term skin damage. With values reaching as high as 9 during midday, it's crucial for residents and visitors to stay informed about UV exposure risks and adopt protective strategies to enjoy the sun safely.
The UV Index rises steadily throughout the morning, peaking at 9 between 11:00 and 12:00, indicating a high level of solar radiation and necessitating precautionary measures for sun exposure. As the sun begins to lower, the index gradually declines, dropping to 7 at 1:00 PM before tapering off to 4 by 3:00 PM. Later in the afternoon, the UVI falls further to 2 at 4:00 PM, and finally stabilizes at 1 from 5:00 PM onwards, ensuring a safe environment as daylight fades. Overall, it's a day where sunscreen and protective clothing are essential during peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 3 | moderate | 30 min |
| 08:00 | 5 | 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 | 9 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index experiences significant seasonal variations, with the highest risk months typically spanning from March to September. During this period, particularly in April, May, June, July, and August, the UV Index reaches a peak of 10, indicating a very high exposure category and a burn time of just 15 minutes. Conversely, the months of January and December signify the lowest UV levels, with an index of 2 and a burn time of 45 minutes. Visitors and residents should take caution during the high-risk months, employing protective measures such as sunscreen, hats, and sunglasses when spending time outdoors, as even short exposure can lead to skin damage. Being vigilant about UV levels can help ensure safety while enjoying the sun.
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 |
| Urakawa | 2 | 3 | 6 | 8 | 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 |