El Niño in Monterrey
During El Niño, Monterrey gets on average 100% more rain in December–February than in neutral years (68 mm vs 34 mm).
Weather in Monterrey: next 7 days
Monterrey
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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 Monterrey 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 | 26 mm | 13 mm | 14 mm | +98% | 10.1 / 10.7 °C |
| February | 22 mm | 9 mm | 8 mm | +145% | 12.2 / 12.9 °C |
| March | 27 mm | 17 mm | 6 mm | +54% | 14.9 / 15.8 °C |
| April | 22 mm | 29 mm | 23 mm | -23% | 18.4 / 19.4 °C |
| May | 66 mm | 45 mm | 34 mm | +46% | 20.6 / 22.0 °C |
| June | 66 mm | 58 mm | 60 mm | +15% | 22.4 / 22.6 °C |
| July | 44 mm | 69 mm | 91 mm | -36% | 22.2 / 21.7 °C |
| August | 40 mm | 63 mm | 64 mm | -37% | 22.2 / 21.5 °C |
| September | 110 mm | 107 mm | 87 mm | +2% | 19.8 / 19.4 °C |
| October | 47 mm | 48 mm | 29 mm | -2% | 17.4 / 16.9 °C |
| November | 29 mm | 22 mm | 9 mm | +34% | 13.6 / 14.0 °C |
| December | 21 mm | 12 mm | 8 mm | +69% | 10.9 / 11.6 °C |
NASA POWER (MERRA-2), 1981–2025, classified by NOAA ONI. Averages, not a forecast.
Frequently asked questions
How does El Niño affect Monterrey?
During El Niño, Monterrey gets on average 100% more rain in December–February than in neutral years (68 mm vs 34 mm).
And La Niña?
In December–February, La Niña years average 31 mm, compared with 34 mm in neutral years.
Where does this data come from?
Monthly rainfall and temperature from NASA POWER (MERRA-2 reanalysis, 1981–2025) at 25.69, -100.32, classified by NOAA's Oceanic Niño Index for each month. These are averages; each event is different.