To make the hue of the surface color of an exterior building material clearer.

After colored cement 2 and colored sand 3 are successively sprinkled over a cement-containing base material layer 1A, the whole is aged and cured in an integrated state to manufacture the exterior building material. As the colored cement 2, a plurality of color cements different in hue are prepared and a substrate pattern is applied to the surface of the base material layer 1A by these colored cements 2 different in hue.