Brent crude, an international oils benchmark, was down 36 cents at $48.25 on the ICE exchange in London.
Asian stock markets were discouraging on Monday as weak data added to jitters about China's economy and the monthly U.S. jobs report strengthened expectations for a Fed interest rate hike.
After the jobs report Friday, U.S. stocks fell. It was the seventh straight day of declines for the Dow Jones industrial average, the longest losing streak for the index since July 2011. The Dow lost 46.37 points, or 0.3 percent, to 17,373.38. The Standard & Poor's 500 fell 5.99 points, or 0.3 percent, to 2,077.57. The Nasdaq composite fell 12.90 points, or 0.3 percent, to 5,043.54.
U.S. crude was down 26 cents to $43.61 a barrel in electronic trading on the New York Mercantile Exchange, closing in on a six-year low of $43.46 set on March 17. Crude fell 7 percent last week. Brent crude, an international oils benchmark, was down 36 cents at $48.25 on the ICE exchange in London.
The dollar rose to 124.38 yen from 124.22 yen on Friday while the euro fell to $1.0963 from $1.0969.