El Niño 1957-1958
El Niño 1957-1958 lasted about 16 months, from Mar–May 1957 to Apr–Jun 1958. The Oceanic Niño Index peaked at +1.7 °C in DJF 1958, a strong El Niño, ranked #8 of 23 since 1950.
StartMAM 1957Mar–May
EndAMJ 1958Apr–Jun
Duration16 months14 seasons
Peak ONI+1.7 °CDJF 1958
Average ONI+1.09 °Cduring the episode
StrengthStrong#8 / 23
ONI before, during and after El Niño 1957-1958
Season by season
| Season | Year | ONI | Niño 3.4 temp. |
|---|---|---|---|
| MAM Mar–May | 1957 | +0.6 °C | 27.99 °C |
| AMJ Apr–Jun | 1957 | +0.7 °C | 28.21 °C |
| MJJ May–Jul | 1957 | +0.8 °C | 28.09 °C |
| JJA Jun–Aug | 1957 | +1.0 °C | 27.88 °C |
| JAS Jul–Sep | 1957 | +1.0 °C | 27.57 °C |
| ASO Aug–Oct | 1957 | +1.1 °C | 27.45 °C |
| SON Sep–Nov | 1957 | +1.1 °C | 27.38 °C |
| OND Oct–Dec | 1957 | +1.4 °C | 27.63 °C |
| NDJ Nov–Jan | 1957 | +1.6 °C | 27.87 °C |
| DJF Dec–Feb | 1958 | +1.7 °C | 28.07 °C |
| JFM Jan–Mar | 1958 | +1.6 °C | 28.21 °C |
| FMA Feb–Apr | 1958 | +1.2 °C | 28.21 °C |
| MAM Mar–May | 1958 | +0.8 °C | 28.20 °C |
| AMJ Apr–Jun | 1958 | +0.6 °C | 28.06 °C |
Compare with other episodes
← El Niño 1953El Niño 1963-1964 →La Niña 1955-1956El Niño 2026 (current)
Frequently asked questions
When did El Niño 1957-1958 start and end?
It started in MAM 1957 and ended in AMJ 1958, about 16 months.
How strong was El Niño 1957-1958?
Its peak ONI was +1.7 °C (DJF 1958), classified as strong. It ranks #8 among 23 El Niño episodes since 1950.
How does it compare with the current El Niño?
The current event (El Niño 2026) has reached +2.5 °C so far, above the +1.7 °C peak of El Niño 1957-1958.
Episodes are computed from NOAA's Oceanic Niño Index (ERSSTv5) with the standard rule: five or more consecutive overlapping seasons at or beyond ±0.5 °C. Free to cite with a link to elninoforecast.com.