Weather in Mecca in january 2018 The weather in Mecca in january comes from statistical datas on the past years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Special definition, of a distinct or particular kind or character: a special kind of key. See more.
Probably the same reason as why every anniversary is considered special. Say, a wedding anniversary, a founding day or even an independence day. Every couple got married on some day. Every organization was founded on someday. (Almost) every country became independent on someday.