The weather in Seville is pretty consistent each year with soaring temperatures in July and August. The height of summer can provide challenging weather, especially for sightseeing. One of the most popular sites to view in Seville, Plaza de Espana is one of the hottest places in the city. Autumn and spring offer more moderate heat, which is more enjoyable. Winter is milder, however, the weather is still better than the rain and snow of England. Seville, Spain.