The figures were severe enough for the country's central bank, the Bundesbank, to slash its 2019 GDP forecast in half, to just 0.6%.
The German Bundesbank has lowered its growth forecast for the German economy to 0.6 percent on Friday, compared with the 1.6 percent growth rate assumed by Bundesbank's economists in December 2018.
"The German economy is now experiencing a marked cooldown", the central bank said in a twice-yearly update on its forecasts.More news: Dominic Thiem can go toe-to-toe with champion Rafael Nadal
"Once foreign demand picks up, German economic growth will be more broadly based again", Bundesbank President Jens Weidmann said.
"This is mainly due to the downturn in industry, where lacklustre export growth is taking a toll". A modest recovery is expected next year, when officials predict growth will return to 1.2pc.
German's industrial output declined by 1.9 per cent in April, data from the Statistics Office showed.More news: US Scrambles To Find Alternatives For Chinese Rare Earth Metals
The bank retained its inflation forecast at 1.4 percent for this year, but lowered its estimate for 2020 to 1.5 percent from 1.8 percent. Exports from Germany also declined to 3.7% in April, the biggest decline since August 2015.
The German economy has been relying on private consumption for growth as a solid labour market and low interest rates encourage spending.More news: Realme to launch 5G smartphones this year, says India CEO