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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Japan’s weather varies dramatically by month, from snowy winters in Hokkaido to humid, rainy summers in Tokyo and the subtropical heat of Okinawa. The live forecast above shows current conditions for a major city, but planning a trip means understanding the seasonal shifts across the archipelago.
What is the average temperature in Japan by month?
Japan’s climate spans four distinct seasons. In Tokyo, January averages around 5°C, climbing to 26°C in August. Sapporo sees January lows near -7°C, while Okinawa rarely drops below 15°C even in winter. The japan temperature by month celsius data shows spring (March–May) and autumn (September–November) offer the most comfortable travel weather, with Tokyo ranging from 13°C to 23°C in April.
How does the weather differ between Tokyo and other regions?
For japan weather by month tokyo, expect a humid subtropical climate: June brings the rainy season (tsuyu), with July and August hot and sticky. In contrast, Hokkaido’s summer is mild, and the Japan Alps see heavy snow from December to February. For those using japan weather by month fahrenheit, Tokyo’s August average of 26°C equals about 79°F, while January’s 5°C is roughly 41°F.
Does Japan have a typhoon season?
Yes, typhoons typically affect Japan from July to October, peaking in August and September. Southern and western regions, including Okinawa and Kyushu, are most at risk, with heavy rain and strong winds possible.
What was the average temperature in Japan in 1945?
Historical records for the average temperature in japan 1945 are limited, but data from the Japan Meteorological Agency indicates annual means around 12–13°C nationally, slightly cooler than modern averages due to pre-warming trends.
When is the best time to see cherry blossoms?
Cherry blossoms typically bloom from late March to early April in Tokyo and Kyoto, earlier in southern Kyushu (late March) and later in Hokkaido (May). Weather shifts can alter timing by a week or two each year.
For more on regional climates, see our Australia weather hub or check Singapore Weather December for tropical comparisons. If you’re planning a trip, our Severe Weather Warning page can help you stay informed.