Yeah I'd say so, it could be pretty dead before that which might give you a bad feeling for Circo Loco.
Go at 3 it will be peak time about 7pm once your settled in (it might take an hour or so to get in after say 5 or 6), it's a fair taxi ride from san an but it will be fairly cheap if theres a few of you. It was a nightmare last year with all the roadworks, they should be sorted now though. Reckon it will cost you about 25 euros