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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Reef Brief 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 sharply by month, from snowy Hokkaido winters in January to humid, rainy Junes across Honshu before the typhoon season peaks in September. The live forecast above shows current conditions for Tokyo; use it to check your destination before packing.
What is the average temperature in Japan by month, in Celsius?
Japan’s climate runs from subarctic in the north to subtropical in the south. In Tokyo, January averages 6°C, while August hits 27°C. Sapporo in Hokkaido sees January lows near -7°C, and July highs around 22°C. Okinawa stays warmer year-round, with February at 17°C and August at 29°C. These averages help plan trips, but check the live forecast above for real-time shifts.
How does Japan’s weather change by month for travel?
For Australia weather comparisons, note Japan’s rainy season: June in Tokyo brings 170mm of rain, while December is dry and crisp. Typhoons hit most from August to October, especially along the Pacific coast. Winter in the Japan Alps offers reliable snow for skiing, while spring (March–May) is mild and popular for cherry blossoms.
What is Japan’s average temperature in 1945?
Historical data for 1945 is sparse due to war, but Tokyo’s annual average then was about 14°C, similar to today’s 15.5°C. Records from the Japan Meteorological Agency show slight warming, but monthly patterns remain consistent.
How does Japan weather by month compare to Australia?
Japan’s seasons are opposite to Australia’s: January in Japan is winter (6°C in Tokyo), while January in Sydney is summer (26°C). For tropical heat, check Phuket Weather or Hoi An Weather—both stay warmer year-round.
What is the best month for a Tokyo trip?
April and October are best: April averages 15°C with cherry blossoms, October at 20°C with low humidity. Avoid June’s rain and August’s heat. For beach weather, see Antalya Weather or New Caledonia Weather.