Illustration, not a photo: this image was generated with AI.Japan’s Winter 2026–27 Forecast: A Record El Niño, a Likely Warmer Winter and Less Snow on the Sea of Japan Coast
JMA says the 2026 El Niño is the strongest on record (+4.0°C in September) and will last through winter. Its December–February forecast gives a 60% chance of a warmer-than-normal winter in eastern and western Japan, 70% in Okinawa, and favours less snow on much of the Sea of Japan coast. What the odds mean for travellers.















