El Niño 1975
1975 was an La Niña year: 0 of 12 three-month seasons had El Niño-level ONI and 12 La Niña-level. The most extreme value was -1.6 °C in NDJ.
Episodes in 1975
ONI month by month in 1975
| DJF | JFM | FMA | MAM | AMJ | MJJ | JJA | JAS | ASO | SON | OND | NDJ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| -0.6 | -0.6 | -0.6 | -0.7 | -0.8 | -0.9 | -1.1 | -1.1 | -1.3 | -1.3 | -1.5 | -1.6 |
← 19741976 →Full ONI tableStatisticsWeekly update
Frequently asked questions
Was 1975 an El Niño year?
1975 was an La Niña year: 0 of 12 three-month seasons had El Niño-level ONI and 12 La Niña-level. The most extreme value was -1.6 °C in NDJ.
Which ENSO episodes affected 1975?
La Niña 1974-1976 (-1.6 °C)
Source: NOAA CPC Oceanic Niño Index (public domain).