Iowa is a good place for outdoors people. All through the long summer days highs here at Heritage Trail reach the 80's. When the night sets in temperatures fall down into the 60's. Daytime highs all through the wintertime are in the 20's while the cold winter nights at Heritage Trail are in the 0's. Heritage Trail gets a normal amount of rain. The month with most of the rain is July, and the driest of the months is January.