Weather is probably a major factor when you plan your trip to Patnos, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and July with an average temp of 65°F, while the coldest months are January and February with an average of 24°F. The snowiest months in Patnos are January, April, March, and December, with each month seeing an average of 16 inches of snowfall.