El Niño 2006-2007
El Niño 2006-2007 lasted about 7 months, from Aug–Oct 2006 to Dec–Feb 2007. The Oceanic Niño Index peaked at +0.9 °C in OND 2006, a weak El Niño, ranked #18 of 23 since 1950.
StartASO 2006Aug–Oct
EndDJF 2007Dec–Feb
Duration7 months5 seasons
Peak ONI+0.9 °COND 2006
Average ONI+0.73 °Cduring the episode
StrengthWeak#18 / 23
ONI before, during and after El Niño 2006-2007
Season by season
| Season | Year | ONI | Niño 3.4 temp. |
|---|---|---|---|
| ASO Aug–Oct | 2006 | +0.5 °C | 27.34 °C |
| SON Sep–Nov | 2006 | +0.7 °C | 27.47 °C |
| OND Oct–Dec | 2006 | +0.9 °C | 27.60 °C |
| NDJ Nov–Jan | 2006 | +0.9 °C | 27.55 °C |
| DJF Dec–Feb | 2007 | +0.6 °C | 27.30 °C |
Compare with other episodes
← El Niño 2004-2005El Niño 2009-2010 →La Niña 2005-2006La Niña 2007-2008El Niño 2026 (current)
Frequently asked questions
When did El Niño 2006-2007 start and end?
It started in ASO 2006 and ended in DJF 2007, about 7 months.
How strong was El Niño 2006-2007?
Its peak ONI was +0.9 °C (OND 2006), classified as weak. It ranks #18 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 +0.9 °C peak of El Niño 2006-2007.
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.