The average maximum daytime temperatures are around 16°C (about 60°F), whereas the average minimum temperature drops down to 7°C (about 44°F). During March you can expect the climate to stay around 12°C (about 53°F). http://www.holiday-weather.com/barcelona/averages/march/
西班牙天气预报官网是http://www.aemet.es/es/eltiempo/prediccion/municipios