El Niño 2024
2024 was an El Niño year: 4 of 12 three-month seasons had El Niño-level ONI and 0 La Niña-level. The most extreme value was +1.8 °C in DJF.
Episodes in 2024
ONI month by month in 2024
| DJF | JFM | FMA | MAM | AMJ | MJJ | JJA | JAS | ASO | SON | OND | NDJ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +1.8 | +1.5 | +1.2 | +0.8 | +0.4 | +0.2 | +0.1 | -0.0 | -0.1 | -0.2 | -0.3 | -0.4 |
Weekly updates from 2024
Dec 25: -1.1 °CDec 18: -0.8 °CDec 11: -0.6 °CDec 4: -0.3 °CNov 27: -0.3 °CNov 20: -0.1 °CNov 13: 0.0 °CNov 6: -0.3 °COct 30: -0.2 °COct 23: -0.5 °COct 16: -0.3 °COct 9: -0.5 °C
← 20232025 →Full ONI tableStatisticsWeekly update
Frequently asked questions
Was 2024 an El Niño year?
2024 was an El Niño year: 4 of 12 three-month seasons had El Niño-level ONI and 0 La Niña-level. The most extreme value was +1.8 °C in DJF.
Which ENSO episodes affected 2024?
El Niño 2023-2024 (+2.0 °C)
Source: NOAA CPC Oceanic Niño Index (public domain).