Last updated: June 2, 2025
Understanding the UV Index in Ama, Japan is crucial for protecting your skin and overall health. With UV levels peaking at 11 during midday, awareness is essential to prevent sunburn and long-term skin damage. The Cfa climate of Ama brings moderate heat and humidity, which can enhance UV exposure, making it vital for residents and visitors alike to stay informed and take necessary precautions. By keeping an eye on the UV Index, you can enjoy the beautiful outdoors while safeguarding your skin from harmful rays.
The UV Index paints a vivid picture of the sun’s strength throughout the day. Starting at a modest 2 at 07:00, the index gradually climbs as the sun ascends, reaching 4 by 08:00. By 09:00, it spikes to 6, and before long, it peaks at an impressive 11 at 12:00, marking the most intense exposure. The afternoon starts to cool slightly, with the index dropping to 10 by 13:00 and then tapering off through 8 at 14:00, 6 at 15:00, and back to 4 at 16:00. As the sun begins its descent, the UV Index falls to 2 by 17:00, lingering at 1 through the evening hours, creating a gentle reminder to enjoy the sun but also to stay mindful of its intensity during peak hours.
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 | 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 | 4 | 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 Index values show significant seasonal variations that should be considered by both visitors and residents. The high-risk months for UV exposure are from April to August, where the UV Index peaks at 11-12 during June and July—classified as extreme, with a burn time of only 10 minutes. In contrast, January, February, November, and December have moderate exposure levels (UV Index 3-5), allowing a longer burn time of 30 minutes. To safeguard against harmful UV radiation, it is crucial to minimize sun exposure during the high-risk months, particularly between 10 AM and 4 PM, and to employ protective measures such as sunscreen, hats, and sunglasses. By staying informed on UV levels, individuals can enjoy the outdoors safely 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 |
Ama | 3 | 4 | 7 | 10 | 10 | 11 | 12 | 11 | 10 | 7 | 5 | 3 |
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 |