Last updated: June 2, 2025
In Hojo, Japan, being aware of the UV Index is crucial for protecting your skin from harmful ultraviolet rays. Understanding UV levels helps in the prevention of sunburns and long-term skin damage, ensuring your outdoor activities remain safe and enjoyable. With a Cfa climate, Hojo experiences significant sun intensity, particularly during midday hours when the UV Index peaks at 11. By knowing when to seek shade or apply sunscreen, you can safeguard your health while soaking up the vibrant beauty of this coastal town.
As the sun rises, the UV Index starts at a manageable 2 at 7:00 AM, making for a gentle beginning. By 8:00 AM, it climbs to 4, signaling the need for some sun protection. The real intensity hits at 10:00 AM, peaking at an eye-catching 11 by noon, where precautions become essential. The afternoon sees the index holding steady at 11 until 1:00 PM, before gradually dropping to 9 at 2:00 PM and then tapering off. By late afternoon, the UV Index returns to a safe 2 by 5:00 PM, and settles down to a low 1 by 6:00 PM, making the evening hours perfect for outdoor activities without the worry of excessive sun exposure. Be mindful of the midday sun when planning outdoor adventures!
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 | 11 | extreme | 10 min |
14:00 | 9 | 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 |
The UV Index experiences significant seasonal fluctuations, peaking between May and August, where an extreme rating of 11 to 12 indicates a burn time of just 10 minutes. March and April also see heightened levels, categorized as very high with a burn time of 15 minutes. Conversely, the UV Index is at its lowest during January, February, and December, marked as moderate, allowing for a safer 30-minute exposure before risking sunburn. The highest-risk months for UV exposure are May to August, necessitating strong sun protection measures for visitors and residents alike. It is essential to wear sunscreen, protective clothing, and sunglasses, especially during peak hours, to minimize the risk of UV-related health issues.
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 |
Hojo | 4 | 5 | 8 | 10 | 11 | 11 | 12 | 12 | 10 | 7 | 6 | 4 |