Weather is probably a major factor when you plan your trip to Bemidji, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August, with an average temperature of 18°C, while the coldest months are January and February, with an average of -9°C. The snowiest months in Bemidji are April, March, January and December, with each month seeing an average of 20 cm of snowfall.