The Middle Atlas Mountains get a lot of rainfall, especially from November to February. Summer temperatures average around 72-78 Fahrenheit (25 C) and winter temperatures can get as low as -4 Fahrenheit (-20 C).Western Sahara.he Middle Atlas Mountains get a lot of rainfall, especially from November to February. Summer temperatures average around 72-78 Fahrenheit (25 C) and winter temperatures can get as low as -4 Fahrenheit (-20 C). Western Sahara.