🇲🇽 El Niño and La Niña in Mexico
El Niño is currently active (Niño 3.4: +3.4 °C), so these effects are the ones to watch now.
How much warmer (+) or colder (−) than normal the sea is this week in the Niño 3.4 zone of the Pacific.
Oceanic Niño Index: the 3-month average of that anomaly. It is NOAA's official index: +0.5 °C or more means El Niño; −0.5 °C or less, La Niña.
The real sea surface temperature measured there, not the difference from normal.
Date of NOAA's next official El Niño / La Niña report.
Weather forecast, next 7 days
Mexico City
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Guadalajara
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Monterrey
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Mérida
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Tijuana
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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 in Mexico
Wetter, cooler winters in the north and northwest; drier summers in the south and center; fewer Atlantic hurricanes but more in the eastern Pacific.
La Niña in Mexico
Drier winters in the north (drought); more active Atlantic hurricane seasons.
These are typical tendencies; each event differs in timing and intensity. For local forecasts and warnings, follow the Servicio Meteorológico Nacional.
Frequently asked questions
How does El Niño affect Mexico?
Wetter, cooler winters in the north and northwest; drier summers in the south and center; fewer Atlantic hurricanes but more in the eastern Pacific.
How does La Niña affect Mexico?
Drier winters in the north (drought); more active Atlantic hurricane seasons.
Where can I find official forecasts for Mexico?
Follow the Servicio Meteorológico Nacional, the official source for local forecasts and warnings.
Other countries
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