Tokyo UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index8.8
- Avg Clouds74%
- Max Temp34 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Tokyo, Japan 
will reach a high of 8.8 today. This means a veryhigh level of sun exposure. See our tips below to stay safe!
Last checked: 2025-09-02
Hourly Forecast Chart
Today's Safety Tips
The risk is very high. It's best to stay out of the sun between 10 a.m. and 4 p.m. If you must be outside, wear protective clothing and apply sunscreen often.
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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