The consumer price index, a broad measure of goods and services costs, increased 0.4% for the month and 3.2% from a year ago. The monthly measure was in line with expectations while the 12-month reading was slightly higher.
The core CPI rose 0.4% on the month and was up 3.8% on the year. Both were one-tenth of a percentage point higher than forecast.
A 2.3% increase in energy costs helped boost the headline inflation number. Food costs were flat on the month, while shelter climbed another 0.4%.