When you're dreaming of a stay in Huayllapampa, be sure to take into account the year-round temperatures. The hottest months are usually August and July with an average temp of 50°F, while the coldest months are July and August with an average of 50°F. The rainiest months in Huayllapampa are March, February, January, and April, with each month seeing an average of 13 inches of rainfall.