Girona can win the La Liga trophy this season, but it will not be easy for them because they have many tough clubs in the league that are stronger than them. If they continue to play well, they have a chance to win. I believe if they can defeat Athletico Madrid and Barcelona in the league, they have a chance to win the trophy if Real Madrid makes any mistakes and loses some matches and Girona leaves them with some points,
Girona is actually strong enough, they could win against Villareal and Sevilla, they got a draw against Real Sociedad and Athletic Club. But they were defeated by Real Madrid. However, since most of the match played by Girona against average teams, their strength isn't proven yet. Moreover, they failed to prove it when they played against Real Madrid. So, they probably have the chance to lose points against Barcelona and Atletico Madrid. But if they can get points in the match against Barcelona or Atletico Madrid, I can believe that Girona has the capability to be the champion this season.
Real Madrid performance looks quite well. It seems a small chance that they will lose points in the next matches. Moreover, mostly Real Madrid will play against average teams for the next few matches. Meanwhile, Girona will play against strong teams in La Liga. The next few matches will test how strong Girona is.