Weather can make or break a road trip, so we've gathered some data about year-round temperatures in Redstone to help you plan yours. The hottest months are usually July and August, with an average temperature of 19°C, while the coldest months are February and January, with an average of -8°C. The snowiest months in Redstone are February, April, January and March, with each month seeing an average of 15 cm of snowfall.