The Aggies were led by eighth-year head coach Jim Les and competed at The Pavilion.

UC Davis was a member of the Big West Conference, and participated in their 12th consecutive season in that league.

During the season, the Aggies participated in the Las Vegas Classic under the visitors division, which was held in San Francisco, California, Reno, Nevada, and Las Vegas, Nevada.

Prior to the tournament, UC Davis lost at San Francisco and at Nevada as friendly matches.

In the postseason, UC Davis defeated UC Riverside but lost to Cal State Fullerton in the semifinals of the 2018 Big West Conference men's basketball tournament in Anaheim, California.