Lujan's climate is characterized by mild winters and hot, humid summers. Spring arrives in September with temperatures gradually warming up, averaging around 15°C, while autumn brings a slight dip in temperatures in March, averaging around 22°C. Summer months from December to February are the warmest, with high temperatures often reaching above 35°C, while winter months from June to August are mild and chilly, with some nights dropping below freezing point. Autumn and spring periods experience moderate temperatures, making them pleasant for outdoor activities. The summer season is the hottest and most humid, with December being the warmest month on record.