The local and international audience reacted with frustration as race control repeatedly delayed in 15 minute increments the qualifying session due to rain.
“To be honest, I think they acted very conservatively. I would say too conservatively,” Red Bull boss Horner said.
“Formula one is not a sport that requires exceptionally normal weather.
“From a safety standpoint it is understandable that there was some caution in this instance, but we could have got back onto the track a lot sooner,” he added.
Asked if he will bring up the topic at the next F1 strategy group meeting, however, Horner said: “I think this is more an internal matter for the FIA.”