That was well above the 3.3 percent increase in consumer prices last year.
Consumer prices rose 79 percent in the first five months this year.
Overall consumer prices, including food and energy, were up only 1.4 percent last month in China from a year earlier.
The report on consumer prices turned out to be no surprise at all.
Consumer prices are rising by about 2 percent a year.
Consumer prices rose 105.7 percent in 1986, which had been the previous record level.
Consumer prices generally rose 83 percent in the same period.
For the year, however, consumer prices in the region rose 5.9 percent.
In August 1922, consumer prices were 14 000 times greater than before the start of the war eight years earlier.
But it would still be lower than last year's overall increase in consumer prices.
