Tokyo UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index7.2
- Avg Clouds16%
- Max Temp31.7 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Tokyo, Japan 
will reach a high of 7.2 today. This means a high level of sun exposure. See our tips below to stay safe!
Last checked: 2025-09-17
Hourly Forecast Chart
Today's Safety Tips
Be careful! The sun's rays are strong. Try to stay in the shade between 10 a.m. and 4 p.m. Wear a hat, sunglasses, and reapply SPF 30+ sunscreen every 2 hours.
Tokyo's UV Index
Tokyo's UV index is highest in summer, often reaching levels 7 to 9, indicating strong sunlight. It is lowest in winter, usually around 1 to 2, showing weak sunlight exposure during those months.
Weather Seasons
Tokyo experiences four distinct seasons: hot, humid summers with frequent rain and typhoons; cool, dry winters with occasional snow; mild springs with cherry blossoms; and colorful autumns with falling leaves.
Tokyo's Climate
Compared to other places in Japan, Tokyo has milder winters than northern areas like Hokkaido but hotter summers than northern Honshu. Neighboring countries like South Korea and China share similar seasonal weather, but Tokyo's coastal location makes its climate more humid.
Hourly UV Index Trend
See the UV index hour by hour for Tokyo. When the level is high, it's smart to find some shade.
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