Last updated: May 3, 2025
Understanding the UV Index in Hinoemata, Japan is crucial for safeguarding your skin and maintaining overall health. With UV levels rising sharply between 10:00 AM and 2:00 PM, where they peak at a significant 10, being aware of these fluctuations helps you take proactive measures against sunburn and long-term skin damage. Situated in a Dfb climate zone, Hinoemata experiences considerable UV exposure, particularly during the summer months, making it essential for residents and visitors alike to stay informed about daily UV levels. By understanding the UV Index, you can enjoy the beautiful outdoors while protecting your skin from harmful effects.
The UV Index paints a vivid picture of the sun's intensity throughout the day. Starting at 7:00 AM with a gentle 2, the warmth gradually increases, peaking at 11:00 AM and 12:00 PM with a maximum index of 10, indicating a very high risk of harm from unprotected sun exposure. As the afternoon progresses, the intensity starts to wane, dropping to 9 at 1:00 PM and gradually decreasing to 5 by 3:00 PM. By the late afternoon, the index falls back into the comfortable zones of 2 at 4:00 PM and 1 by 5:00 PM, before finally settling at 0 as dusk arrives at 7:00 PM. This fluctuation underscores the importance of sun safety measures, particularly during the midday hours when the sun is at its fiercest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 10 | 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 | 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 fluctuations, with the highest levels occurring during the summer months. From March to August, the UV Index peaks, particularly in June and July when it reaches extreme levels of 11 and 12 respectively, demanding caution as the burn time diminishes to just 10 minutes. Visitors and residents should be particularly aware of the high-risk months of March through September, when exposure can lead to skin damage in a short period. During this period, it is crucial to wear sunscreen, protective clothing, and seek shade, especially between 10 AM and 4 PM. As the year transitions into the cooler months, UV exposure reduces; however, vigilance is still necessary, particularly in October when the index remains high at 7. Overall, staying informed about seasonal UV changes can help individuals enjoy the outdoors safely.
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 |
| Hinoemata | 4 | 5 | 8 | 10 | 10 | 11 | 11 | 12 | 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 |