When adjusted for inflation, spending dipped 0.1 percent, the weakest reading since April of last year, after rising 0.2 percent in January.
Investors on Wall Street largely ignored the data, focusing attention on a raft of biotechnology merger deals. U.S. stocks were trading higher.
The dollar gained against a basket of currencies and prices for U.S. government debt also rose.
Consumer spending, which grew at its quickest pace in more than eight years in the fourth quarter, has lost momentum in part because of bad weather and a greater propensity by households to save money and reduce debt.
February's soft report prompted economists to further cut their first-quarter GDP growth estimates.
Forecasting firm Macroeconomic Advisers lowered its estimate by two-tenths of a percentage point to a 0.9 percent annual pace. Barclays cut its forecast to a 1 percent rate from 1.2 percent, while Morgan Stanley now sees a 0.8 percent growth pace instead of 0.9 percent.
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While households appear to have pocketed the bulk of their savings from lower gasoline prices or used the money to pay down debt, economists expect improved household balance sheets and a tightening labor market to boost consumer spending this year.
Income rose 0.4 percent last month after a similar gain in January.
Savings jumped to $768.6 billion, the highest level since December 2012, from $728.7 billion in January.
The saving rate rose to 5.8 percent, also the highest since December 2012, from 5.5 percent in January.
"Consumers have a lot of pent-up spending power once the economy gets past the winter doldrums," said Chris Rupkey, chief financial economist at MUFG Union Bank in New York.
There already are signs that a thaw is underway.
In a separate report, the National Association of Realtors said its Pending Home Sales Index, based on signed contracts, rose 3.1 percent in February to its highest level since June 2013. That indicated a pick-up in home sales.
Harsh winter weather has hurt parts of the housing sector.
There was a slight uptick in prices last month, suggesting a recent disinflationary trend had run its course, but inflation remains well below the Fed's 2 percent target.
Fed Chair Janet Yellen signaled on Friday that the U.S. central bank would likely start raising interest rates later this year, even amid low-running inflation. The Fed has held its key short-term interest rate near zero since December 2008.
A price index for consumer spending increased 0.2 percent in February after falling 0.4 percent in January. In the 12 months through February, the personal consumption expenditures (PCE) price index rose 0.3 percent.
Excluding food and energy, prices edged up 0.1 percent after a similar gain in January. The so-called core PCE price index increased 1.4 percent in the 12 months through February.
"This should reassure the Fed that recent low headline inflation readings are the result of transitory energy price declines and that inflation is likely to rise toward the Fed's target over time," said John Ryding, chief economist at RDQ Economics in New York.