No, he was a Jew and read the Torah and he practiced Mosaic law. But he did know of the coming of Christ and he advocated repentance as well as telling others to prepare for His arrival. King Herod was afraid to have John killed because of what his disciples might do, but had him killed because of his wife through adultery, Herodias, and her prompting through her daughter.
Jesus was thought to be the resurrection of John the Baptist among others.
The first Christians would not have appeared until the day of Pentecost, in my opinion.