El Niño Advisory Oceanic Niño Index +2.46 °C · very strong NOAA, 12 November 2026 Next update 10 December 2026
The Climate Map
Regional six-month outlook

Eastern Asia

Rainfall and temperature odds for December–February, and what past El Niños did in the same season, for all 8 countries and territories.

CountryRainfall, December–FebruaryDrier / normal / wetterPast El NiñosTemperature
China Likely wetter <5% / 14% / 86% 11 of 15 wetter Likely warmer
Dem. Rep. Korea Likely wetter 8% / 19% / 73% No clear pattern Likely warmer
Hong Kong Likely wetter 6% / 16% / 78% No clear pattern Likely warmer
Japan Likely wetter <5% / 20% / 80% No clear pattern Likely warmer
Macao Likely wetter 8% / 10% / 82% No clear pattern Likely warmer
Mongolia Likely wetter <5% / 12% / 86% No clear pattern Likely warmer
Republic of Korea Likely wetter 6% / 19% / 75% No clear pattern Likely warmer
Taiwan Likely wetter 16% / 13% / 71% No clear pattern Likely warmer

Sources: Copernicus Climate Change Service (seasonal forecast, ERA5); NOAA Climate Prediction Center (El Niño seasons). Methods