El Niño in Santiago
During El Niño, Santiago gets on average 86% more rain in July–September than in neutral years (185 mm vs 100 mm).
Weather in Santiago: next 7 days
Santiago
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Weather forecast: MET Norway (CC BY 4.0), updated every hour. For official warnings, follow your national weather service.
El Niño is active right now: the El Niño columns show what Santiago typically sees in this phase.
Monthly rainfall by phase
El NiñoNeutralLa Niña
Month by month
| Month | El Niño | Neutral | La Niña | Change El Niño | Temp. El Niño / neutral |
|---|---|---|---|---|---|
| January | 10 mm | 10 mm | 10 mm | -2% | 22.2 / 21.8 °C |
| February | 6 mm | 8 mm | 10 mm | -16% | 21.6 / 21.3 °C |
| March | 9 mm | 12 mm | 9 mm | -27% | 20.2 / 19.5 °C |
| April | 25 mm | 13 mm | 10 mm | +93% | 15.7 / 16.2 °C |
| May | 61 mm | 46 mm | 30 mm | +33% | 11.4 / 12.6 °C |
| June | 78 mm | 59 mm | 63 mm | +34% | 9.1 / 9.5 °C |
| July | 85 mm | 46 mm | 27 mm | +83% | 8.6 / 8.8 °C |
| August | 68 mm | 35 mm | 32 mm | +94% | 10.0 / 10.1 °C |
| September | 32 mm | 18 mm | 20 mm | +76% | 11.7 / 11.7 °C |
| October | 21 mm | 12 mm | 6 mm | +68% | 14.1 / 14.7 °C |
| November | 10 mm | 6 mm | 8 mm | +68% | 17.6 / 18.3 °C |
| December | 7 mm | 9 mm | 6 mm | -18% | 20.6 / 20.5 °C |
NASA POWER (MERRA-2), 1981–2025, classified by NOAA ONI. Averages, not a forecast.
Frequently asked questions
How does El Niño affect Santiago?
During El Niño, Santiago gets on average 86% more rain in July–September than in neutral years (185 mm vs 100 mm).
And La Niña?
In July–September, La Niña years average 79 mm, compared with 100 mm in neutral years.
Where does this data come from?
Monthly rainfall and temperature from NASA POWER (MERRA-2 reanalysis, 1981–2025) at -33.45, -70.66, classified by NOAA's Oceanic Niño Index for each month. These are averages; each event is different.