Euro zone new industrial output fell 0.2 per cent in January from December, but was up 3.7 per cent year-on-year, EU statistics agency Eurostat reported.
Economists had forecast a month-on-month rise of 0.4 per cent and an increase of 4.3 per cent from a year earlier.
Eurostat revised its December figures to a rise of 1.2 per cent from November and a year-on-year increase of 4.4 per cent. Its earlier estimate was for a month-on-month rise of 1 per cent and an increase of 4 per cent from a year earlier.
In January, capital goods output rose 0.8 per cent from November, and non-durable consumer goods output was flat, while intermediate goods output fell 0.4 per cent, durable consumer goods output was down 1.5 per cent and energy dropped 2.6 per cent.