El Niño in Phoenix
During El Niño, Phoenix gets on average 63% more rain in February–April than in neutral years (113 mm vs 70 mm).
Weather in Phoenix: next 7 days
Phoenix
Loading forecast…
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 Phoenix 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 | 46 mm | 35 mm | 23 mm | +30% | 10.8 / 11.1 °C |
| February | 59 mm | 28 mm | 15 mm | +111% | 12.8 / 12.9 °C |
| March | 45 mm | 31 mm | 19 mm | +44% | 15.5 / 16.3 °C |
| April | 9 mm | 10 mm | 8 mm | -13% | 19.9 / 20.3 °C |
| May | 15 mm | 3 mm | 5 mm | — | 24.8 / 25.9 °C |
| June | 2 mm | 2 mm | 7 mm | — | 30.2 / 32.0 °C |
| July | 19 mm | 37 mm | 45 mm | -50% | 33.6 / 33.6 °C |
| August | 29 mm | 43 mm | 41 mm | -32% | 32.9 / 32.6 °C |
| September | 23 mm | 30 mm | 20 mm | -23% | 29.3 / 29.5 °C |
| October | 23 mm | 12 mm | 24 mm | +97% | 22.4 / 23.3 °C |
| November | 25 mm | 28 mm | 18 mm | -8% | 15.5 / 15.9 °C |
| December | 40 mm | 28 mm | 33 mm | +44% | 10.5 / 11.1 °C |
NASA POWER (MERRA-2), 1981–2025, classified by NOAA ONI. Averages, not a forecast.
Frequently asked questions
How does El Niño affect Phoenix?
During El Niño, Phoenix gets on average 63% more rain in February–April than in neutral years (113 mm vs 70 mm).
And La Niña?
In February–April, La Niña years average 43 mm, compared with 70 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, -112.07, classified by NOAA's Oceanic Niño Index for each month. These are averages; each event is different.