Assuming you're talking about the usa elections - they're usually held in November.
November
In the US, a Presidential election occurs during a general election on the second Tuesday in November.
President Barack Obama became the president for the first time in the month of January. The President of the United States always assumes office on January 20, the year following their election (president election takes place in November).
In November, every fourth year.
Inauguration Day is on January 20th following the election.
The presidential election takes place in November of the years that are divisible by four.
I am assuming your question is what month you vote for president. The answer is November. All of the votes currently going on are for the republican party to pick their candidate to oppose Barack Obama in the November election.
The public "votes for President" in November, but they are actually electing members to the electoral college in that election. The electoral college casts the votes for President (and Vice President) in December.
The election of the President is the 2nd Tuesday in Novemer. The inaugration of the new President if the first week of January---usually a very cold day.
The public makes their wishes known by "voting for president" in November. Based on those election results, the electoral college casts the votes for President (and Vice President) in December.
Barack Obama won the president election for 2012.
November.:)