Christmas, averaging 21 points, hit nine of 13 shots, including all five his shots from 3-point range. Williams, a 6-foot-9 sophomore, shot 6-for-12, including 5-for-10 from long distance.
The Owls (9-6) shot 13-for-19 from 3-point range.
Temple made five of six 3-point shots in the first eight minutes and sped to a 25-7 lead. Penn reserve guard Harrison Gaines then scored eight points during a 10-0 run. But Christmas hit a 3-pointer that sparked a 15-5 spurt, and the Owls moved out to a 42-24 halftime advantage.
Temple opened the second half with a 16-7 run for a 58-31 lead, and was up by 30 points three times.