El Niño in Phoenix, AZ

In 2 of 3 past super El Niño winters, Phoenix was wetter than normal. It was warmer than normal in 1 of 3.

The wettest of them was 1997–98: 4.12 inches, 166% of normal — 13th wettest of 88.

History from three winters, not a forecast. Measured at one NOAA station, Phoenix; record since Dec–Feb 1933–34.

December–February in the three super El Niño winters

WinterPrecipitationAverage temperature
1982–83Dec 1982–Feb 19833.52 in+1.04 in vs normal · 142%19th wettest of 8855.7 °F−2.6 °F vs normal21st coldest of 88
1997–98Dec 1997–Feb 19984.12 in+1.64 in vs normal · 166%13th wettest of 8855.8 °F−2.5 °F vs normaltied 22nd coldest of 88
2015–16Dec 2015–Feb 20161.52 in−0.96 in vs normal · 61%34th driest of 8858.9 °F+0.6 °F vs normal18th warmest of 88
Normal1991–2020 average2.48 in58.3 °F

Ranks are within this station’s own record: 88 winters for precipitation, 88 for temperature (5 incomplete winters are left out). Source: NOAA NCEI Climate at a Glance, Phoenix precipitation and temperature, as of November 11, 2026.

This winter: where NOAA’s outlook places Phoenix

For December–February 2026–27, the Climate Prediction Center’s map places Phoenix in the 50–60% area for above-normal precipitation, and in equal chances of above-, near- or below-normal temperature (no tilt either way).

Read from the contours of CPC’s seasonal outlook issued October 15, 2026 — the area the city falls in on a continental-scale map, not a forecast made for the city. CPC seasonal outlook maps. CPC reissues it monthly.

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Other cities in the Southwest climate region: Denver, Salt Lake City, Tucson. All 50 cities

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