The figure was 0.4 percentage points lower than forecast by economists polled by Poland’s PAP news agency.
The statistics office said it had revised its system of weights used for calculating the consumer price index in 2025.
In January, the prices of consumer goods and services in Poland were 5.3 percent higher than in the same month a year earlier, according to the state-run Statistics Poland (GUS) agency.
In December, Poland's consumer price index stood at 4.7 percent, Statistics Poland has reported.
The Polish Economic Institute (PIE), a Warsaw-based think tank, said in a comment that inflation in February "was stable at 4.9 percent."
It added that the statistics office "revised down the January figure by 0.3 percentage points due to the lower weight of food and energy prices."
While the costs of food and energy "are still growing rapidly ... core inflation is falling," the Polish Economic Institute said.
The Polish central bank predicted in its latest Inflation Report, released on Friday, that inflation would average at 4.9 percent in 2025, followed by 3.4 percent in 2026 and 2.5 percent in 2027.
The central bank’s rate-setting Monetary Policy Council this week left key interest rates unchanged, keeping the reference rate at 5.75 percent.
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Source: IAR, PAP