El Niño 2019
2019 was an El Niño year: 9 of 12 three-month seasons had El Niño-level ONI and 0 La Niña-level. The most extreme value was +1.0 °C in DJF.
Episodes in 2019
ONI month by month in 2019
| DJF | JFM | FMA | MAM | AMJ | MJJ | JJA | JAS | ASO | SON | OND | NDJ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +1.0 | +0.9 | +0.9 | +0.8 | +0.7 | +0.6 | +0.4 | +0.2 | +0.3 | +0.5 | +0.7 | +0.8 |
← 20182020 →Full ONI tableStatisticsWeekly update
Frequently asked questions
Was 2019 an El Niño year?
2019 was an El Niño year: 9 of 12 three-month seasons had El Niño-level ONI and 0 La Niña-level. The most extreme value was +1.0 °C in DJF.
Which ENSO episodes affected 2019?
El Niño 2018-2019 (+1.1 °C), El Niño 2019-2020 (+0.8 °C)
Source: NOAA CPC Oceanic Niño Index (public domain).