U.S. CPI Falls 0.4% in June, Annual Inflation Cools to 3.5%

Consumer prices fell in June for the first time in more than a year, as a steep drop in energy costs dragged the headline index lower even while underlying inflation held firm. The Consumer Price Index for All Urban Consumers decreased 0.4 percent on a seasonally adjusted basis, the largest 1-month decline since April 2020, when the index fell 0.8 percent during the pandemic downturn. The move reversed a 0.5 percent increase in May and was driven almost entirely by falling energy prices. Yet the core index, which excludes food and energy, was unchanged on the month, a clear signal that the headline drop reflected volatile energy swings rather than any broad cooling in prices. Over the past 12 months, the all items index rose 3.5 percent, down sharply from the 4.2 percent annual pace recorded through May.

Energy Drives the Headline Lower

The energy index fell 5.7 percent in June, its largest 1-month decline since April 2020 and an abrupt reversal after gains of 3.9 percent in May, 3.8 percent in April, and 10.9 percent in March. Energy was by far the largest contributor to the monthly decline, more than offsetting increases in shelter, food, and other categories. The retreat was concentrated in motor fuels, though the breakdown was uneven across the energy complex:

• Gasoline: fell 9.7 percent over the month, yet remains 26.7 percent higher than a year ago
• Fuel oil: fell 9.2 percent on the month, up 42.9 percent over the year
• Electricity: fell 1.0 percent, up 4.0 percent over 12 months
• Utility (piped) gas service: rose 0.5 percent, up 3.0 percent over the year

Even after June's plunge, the energy index sits 15.7 percent above its year-ago level, a reminder that the monthly drop unwound only part of the sharp run-up recorded earlier in 2026.

Core Prices Stall

Stripped of food and energy, prices were remarkably steady. The core index was unchanged in June after rising 0.2 percent in May, and its 12-month rate eased to 2.6 percent from 2.9 percent through May. Services less energy services, the category that has kept core inflation sticky, were flat on the month while still running 3.2 percent higher over the year. Broad declines in insurance, communication, apparel, and medical care offset modest gains in recreation and household goods, leaving the core essentially where it began the month.

Shelter Slows to Its Weakest Pace Since 2021

The most consequential development for the inflation outlook came from shelter, the single largest component of the index. The shelter index rose just 0.1 percent in June, the smallest 1-month change since January 2021. Within the category, owners' equivalent rent rose 0.2 percent and rent of primary residence increased 0.1 percent, while lodging away from home fell 2.3 percent. Over the past 12 months, shelter is up 3.3 percent. Because shelter has been the most persistent source of inflation, its slowdown to the weakest pace since early 2021 is the most encouraging signal in the report for policymakers watching for durable disinflation.

The Month's Biggest Movers

Beneath the aggregates, several categories posted outsized moves:

• Eggs: rose 4.3 percent, leading a 0.6 percent gain in the meats, poultry, fish, and eggs group
• Lodging away from home: fell 2.3 percent
• Motor vehicle insurance: fell 2.0 percent, after a 1.7 percent decline in May
• Coffee: fell 2.0 percent, dragging the nonalcoholic beverages index down 1.5 percent
• Communication: fell 1.5 percent
• Dairy and related products: rose 1.2 percent
• Apparel: fell 0.6 percent
• Recreation: rose 0.5 percent, after a 0.3 percent gain in May

The 12-Month Trend

The annual inflation picture improved across the board. Headline inflation cooled to 3.5 percent for the 12 months ending June, down from 4.2 percent a month earlier, while core inflation eased to 2.6 percent from 2.9 percent through May. Food prices rose 3.0 percent over the year, split between a 2.7 percent gain for groceries and a 3.4 percent rise for food away from home. Airline fares remained among the most extreme annual movers, up 26.5 percent, while used cars and trucks fell 1.8 percent and medical care commodities dropped 2.1 percent over the same period.

Implications for the Fed

For the Federal Reserve, June's report is more reassuring than the headline decline alone would suggest, though for a subtler reason than a single negative print implies. The energy-driven drop will likely prove transitory, since gasoline prices are volatile and June's 9.7 percent decline could reverse just as quickly as it arrived. The more durable signal is core inflation settling at 2.6 percent and, critically, shelter slowing to a 0.1 percent monthly pace. Shelter has been the primary obstacle to reaching the Fed's 2 percent goal, and its softest monthly reading since early 2021 suggests the disinflation policymakers have awaited may finally be broadening. A flat core month, with services outside energy posting no monthly increase, points to genuinely easing price pressure rather than a one-off energy quirk.

The next test arrives on August 12, when the Bureau of Labor Statistics publishes CPI data for July. The decisive question is whether June's energy plunge reverses: a rebound in gasoline would push the headline rate back up and expose how much of this month's decline was mechanical. Equally important is whether shelter holds near its 0.1 percent June pace, since a second consecutive soft reading would confirm that the stickiest part of inflation is truly cooling, while a snap-back would mark June as an outlier rather than a turning point. With core inflation now at 2.6 percent, the July print will show whether the move toward the Fed's target is broadening or merely pausing.