In summer, the average temperature is 14°C in Belfast and 19°C in Santa Cruz de Tenerife. The average rainfall in summer is 91 mm in Belfast and 4 mm in Santa Cruz de Tenerife.In summer, it is warmer in Santa Cruz de Tenerife and it rains less in Santa Cruz de Tenerife. In winter, it is colder in Santa Cruz de Tenerife and it rains more in Belfast.