Brown led the Cavaliers to an NBA-best 14-3 (.824) record during the month, which marked the Cavaliers most wins in any December in franchise history. The Cavaliers opened the month by winning their first three games from December 2nd to December 6th, won five straight from December 11th - 18th and finished off the month with a six-game winning streak from December 21st to December 30th. This marks the fifth time (Jan. 2008, Dec. 2008, Feb. 2009, March 2009) Brown has received the award.
During December, Cleveland won by an average of 8.9 points per game and held their opponents to league lows in points (93.0) and field goal percentage (42.0), while ranking third in opponent rebounds (21.9). With seven road wins during the month, the Cavaliers set a franchise record for the most road wins in a month and tied Boston for the most road wins in December.
With their 109-91 win over the Phoenix Suns on December 21st, the Cavaliers snapped the Suns' 19-game home win streak dating back to March 12, 2009, also a loss to the Cavaliers and snapped the Suns' 36-game home steak of scoring 100 or more points. In a 117-104 overtime win in Sacramento, the Cavs held the Kings scoreless in overtime and became only the second team in NBA history to score 13 points or more without allowing a single point in an overtime period (Portland outscored Houston 17-0 in a 113-96 win in 1983). In the final game of their four-game west coast trip on December 25th against the Lakers, the Cavaliers shot .543 percent from the field while holding the Lakers to a .365 shooting from the field, making that the widest disadvantage in field-goal percentage for the Lakers ever in a game at the Staples Center and overall widest since a 113-84 loss to Denver on November 12th, 1993.
In a home-and-home series against the Atlanta to finish off the month, the Cavs held the Hawks scoreless on 0-10 shooting from the field for the first 8:49 of the fourth quarter and to only 10 points that period in winning 106-101 on December 29th in Atlanta. The next night in Cleveland, the Cavs beat the Hawks 106-101 and became the second team in the last 30 seasons to record wins on consecutive days against the same opponent with a winning percentage of .700 or better.
The Memphis Grizzlies' Lionel Hollins was named the Western Conference Coach of the Month. Other nominees for Eastern Conference Coach of the Month were Boston's Doc Rivers, New York's Mike D'Antoni, Orlando's Stan Van Gundy and Toronto's Jay Triano.