By Amber Murray Retail sales returned to growth in July after the long-awaited summer boost for retail finally arrived along with the warmer weather. Total retail sales increased by 0.5 per cent year on year in July, up from the three-month average growth rate of 0.3 per cent, according to the British Retail Consortium (BRC)-KPMG Retail Sales Monitor Retail sales fell 1.5 per cent month on month in June. Sales of clothing, health and beauty products did particularly well during the month as shoppers “prepared for days out with friends and holidays away”, chief executive of the BRC Helen Dickin…