Japan Climate Overview
Japan has a remarkably diverse climate spanning subarctic conditions in Hokkaido to subtropical warmth in Okinawa. The country experiences four distinct seasons influenced by monsoon patterns, ocean currents, and mountainous terrain. The Sea of Japan coast receives heavy snowfall in winter, while the Pacific coast stays relatively dry.
Seasonal Patterns
Spring (March–May) brings the famous cherry blossom season with mild temperatures. The rainy season (tsuyu) affects most of the country from mid-June to mid-July. Summer (July–August) is hot and humid with temperatures above 35°C in Tokyo. Autumn offers pleasant weather and spectacular foliage. Winter brings heavy snow to the Japan Sea side while the Pacific coast sees clear skies.
Weather Considerations
Japan lies in the typhoon belt, with storms most frequent from August through October. The country also experiences earthquakes, tsunamis, and volcanic activity. Summer heat combined with high humidity creates dangerous conditions, while winter brings some of the heaviest snowfall on Earth to regions like Niigata and Nagano.