December in Casablanca, Morocco, offers a mild Mediterranean climate, characterized by comfortable temperatures and occasional rainfall. Average highs typically range from 17-20C (63-68F), while overnight lows dip to around 9-12C (48-54F). This period falls within the city’s wet season, so visitors should anticipate some precipitation, though it’s often interspersed with sunny periods. Packing layers is recommended to accommodate fluctuating temperatures and potential showers.
This time of year provides a pleasant escape from harsher winter conditions in other parts of the world. The moderate climate allows for comfortable exploration of the city’s cultural and historical attractions, from the iconic Hassan II Mosque to the bustling medina. While the Atlantic waters might be too cool for swimming for some, the beaches are still enjoyable for leisurely strolls. Historically, December has been a less crowded tourist season, potentially offering a more relaxed experience compared to the peak summer months.