Winters in Bournemouth are mild, with average temperatures ranging from around 6-9°C, while occasional cold snaps can bring temperatures down to -1°C or lower. As spring approaches, temperatures gradually rise, reaching averages of 8-11°C by May and 15-17°C by June. Summer months see highs of up to 25°C, with July being the warmest month on average, but temperatures still dip below 13°C at night. Autumn brings a return to milder temperatures, ranging from 10-14°C, before dropping again in winter.