Key Facts
• Strongest cold air of the season to persist until November 19.
• Snow and rain likely in Hokkaido, Tohoku, and Hokuriku regions.
• Heavy snow accumulation expected in Tohoku and Hokuriku mountain areas.
• Peak cold air to occur on November 18, with temperatures below -6°C at 1,500m altitude in Tohoku.
• Hokkaido to experience even colder air, below -12°C.
• Cold air to temporarily retreat on November 20, returning from November 21 to 22.
• Snow and rain to continue intermittently in northern Japan and Hokuriku.
• From Kanto to Kyushu, mostly sunny weather expected for the next week.
• Temperatures to fluctuate, with December-like cold until November 19, then rising to near 20°C by November 24.
• Okinawa to see unsettled weather until November 19, improving on November 20.
Summary
The strongest cold air of the season is expected to persist in Japan until November 19, bringing snow and rain to Hokkaido, Tohoku, and Hokuriku regions. Mountain areas in Tohoku and Hokuriku may experience rapid snow accumulation, with heavy snowfall possible. The peak of the cold air will occur on November 18, with temperatures dropping below -6°C at 1,500 meters in Tohoku and below -12°C in Hokkaido. After a brief retreat on November 20, cold air will return from November 21 to 22, continuing snow and rain in northern Japan. Meanwhile, regions from Kanto to Kyushu will enjoy mostly sunny weather over the next week, with temperatures fluctuating from December-like cold to near 20°C by November 24. In Okinawa, unsettled weather will improve by November 20.
