El Niño in Mendoza
During El Niño, Mendoza gets on average 31% more rain in May–July than in neutral years (46 mm vs 35 mm).
Weather in Mendoza: next 7 days
Mendoza
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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 Mendoza 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 | 50 mm | 46 mm | 51 mm | +7% | 25.5 / 25.5 °C |
| February | 42 mm | 49 mm | 42 mm | -16% | 23.9 / 23.9 °C |
| March | 37 mm | 39 mm | 33 mm | -5% | 22.0 / 21.4 °C |
| April | 22 mm | 23 mm | 16 mm | -6% | 16.6 / 16.7 °C |
| May | 21 mm | 14 mm | 9 mm | +50% | 12.0 / 12.3 °C |
| June | 11 mm | 11 mm | 9 mm | 0% | 9.0 / 8.9 °C |
| July | 14 mm | 10 mm | 6 mm | +40% | 9.0 / 8.0 °C |
| August | 12 mm | 12 mm | 6 mm | +4% | 11.1 / 10.7 °C |
| September | 13 mm | 12 mm | 18 mm | +8% | 13.9 / 13.3 °C |
| October | 19 mm | 19 mm | 15 mm | -5% | 17.8 / 17.9 °C |
| November | 24 mm | 23 mm | 32 mm | +2% | 21.5 / 21.7 °C |
| December | 31 mm | 28 mm | 33 mm | +12% | 24.4 / 24.6 °C |
NASA POWER (MERRA-2), 1981–2025, classified by NOAA ONI. Averages, not a forecast.
Frequently asked questions
How does El Niño affect Mendoza?
During El Niño, Mendoza gets on average 31% more rain in May–July than in neutral years (46 mm vs 35 mm).
And La Niña?
In May–July, La Niña years average 23 mm, compared with 35 mm in neutral years.
Where does this data come from?
Monthly rainfall and temperature from NASA POWER (MERRA-2 reanalysis, 1981–2025) at -32.89, -68.84, classified by NOAA's Oceanic Niño Index for each month. These are averages; each event is different.