When you’re dreaming of a trip to Desaguadero, year-round temperatures and rainfall may be important factors to consider. The hottest months are usually November and October with an average temp of 47°F, while the coldest months are June and July with an average of 41°F. The rainiest months in Desaguadero are January, February, December, and March, with each month seeing an average of 8 inches of rainfall.