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

South America

Rainfall and temperature odds for December–February, and what past El Niños did in the same season, for all 12 countries and territories.

CountryRainfall, December–FebruaryDrier / normal / wetterPast El NiñosTemperature
Argentina Likely wetter <5% / <5% / >95% No clear pattern No clear signal
Bolivia Likely drier 78% / 20% / <5% No clear pattern Likely warmer
Brazil Likely drier 88% / 10% / <5% 13 of 15 drier Likely warmer
Chile Likely drier 82% / 18% / <5% No clear pattern Likely warmer
Colombia No clear signal 27% / 38% / 35% 13 of 15 drier Likely warmer
Ecuador Likely wetter <5% / <5% / >95% No clear pattern Likely warmer
Guyana Likely drier >95% / <5% / <5% 13 of 15 drier Likely warmer
Paraguay Likely wetter <5% / 8% / 92% No clear pattern Likely warmer
Peru Likely wetter <5% / 14% / 82% No clear pattern Likely warmer
Suriname Likely drier >95% / <5% / <5% 14 of 15 drier Likely warmer
Uruguay Likely wetter <5% / 10% / 90% No clear pattern Likely cooler
Venezuela Likely drier 75% / 23% / <5% 13 of 15 drier Likely warmer

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