Abstract: A gutter drainer assembly comprising an elongated flat flexible strip that is dimensioned for installation in a rain gutter to prevent clogging of the rain gutter and downspouts. The strip includes two grooves formed therein and extending longitudinally along the length of the strip in parallel spaced relation for folding the strip into an inverted U-shaped channel which is installed in the gutter. The folded strip includes a top portion and two side members with a plurality of scalloped openings formed along the outer edges of the side members to allow water to flow through the openings and into an open channel created by the folded strip installed within the gutter. Pieces of the flexible strip may be connected together to cover the entire length of the gutter including inlet openings for downspouts. The gutter drainer assembly further comprising end members for covering the open ends of the folded strip at the ends of the gutter.