Taking the local weather in Cottonwood into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually August and July, with an average temperature of 16°C, while the coldest months are December and January, with an average of -2°C. The snowiest months in Cottonwood are February, January, April and October, with each month seeing an average of 14 cm of snowfall.