Food prices were 4.8% higher in December than a year earlier, after an annual rise of 3.7% seen in November.
Core inflation, which excludes food and energy prices, is still subdued, although it did edge up from an annual rate of 0.6% in November to 0.7% last month. That reflected the early effects of reopening being felt in the healthcare and travel sectors, where inflation ticked up.
The average CPI for all of 2022 was 2.0% higher than in 2021, compared with the government target of a rise of around 3%.
Bruce Pang, chief economist at Jones Lang Lasalle, expects the year-average CPI for 2023 to up 2.5% on 2022.