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UV Index in Tokyo

UV index


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Today's UV index in Tokyo, Japan Japan will be up to 9, indicating a very high level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.


Today's tips

With a UV index of 9 in Tokyo, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.

Tokyo's UV Index

The UV index in Tokyo can reach high levels, particularly in the summer months. It is important to be aware of the UV index and take appropriate measures to protect yourself from the sun's rays.

Weather Seasons

UV index

Tokyo has four distinct seasons: a mild spring, a hot and humid summer, a crisp autumn, and a cold winter. Spring and autumn are popular times to visit, with cherry blossoms in the spring and vibrant foliage in the fall.

Tokyo's Climate

Compared to its region and neighboring countries, Tokyo has a relatively mild climate. It experiences hot, humid summers and cold winters, but these are generally less extreme than in other parts of Asia. The city also receives a significant amount of rainfall throughout the year.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Tokyo. It's designed to provide you with a better understanding of the yearly weather and sun exposure.


* This page's content about the UV index in Tokyo (Japan) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.