Snow in Limassol is a very rare occurrence and usually falls mixed with rain every 7to 13 years. Snow mixed with rain fell in February 2004, in January 2008 and in February 2012. In spring the weather is mild to warm and pleasant. It is sunny almost every day and the temperatures are around in the day and in the night. Rain showers and thunderstorms are common especially in late March and April. Sometimes during the spring dust comes from the Sahara desert which degrades air quality in the city. Summer for Limassol is the longest season of the year, and lasts about six months; it begins in May and ends in October. At this time of the year the weather is sunny every day and rain is rare. The temperatures range between to in June and September and to in July and August. In June sea mist can sometimes occur, usually resolving early in the morning. Autumn is warm and usually sunny. It begins in the end of November and in December. During this period of the year temperatures range from as low as to as high as .