The UK's wettest June since before 1910 was behind a 0.7% drop in food sales last month and there are fears the wet weather may hit fruit and vegetable prices.
Some fruit farmers in the Anglia region are worried the continuing wet weather is devastating their crops.
Richard Dodd of the British Retail Consortium says the wet weather may have an impact on individual items but customers have "nothing to worry about because food inflation is falling."
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Showers easing with clear spells overnight. Strong winds easing.
Sunday forecast: Heavy rain is expected for a time with gusty winds, then clearing during the afternoon.
March in the Anglia region has been much drier and sunnier than normal although temperatures have been around average.