If you are in Colorado during hiking season you have to go hiking. At Sewemup Stock Trail during the summertime highs are in the 90's. Throughout the moonlight hours it's mostly in the 60's. The cold days of the winter come with highs in the 40's, and winter nights come with lows in the 10's to Sewemup Stock Trail. At Sewemup Stock Trail you donít see much rainfall. The month with most of the rain is August, and June on the other hand is the driest.