Weather will likely play an important role when you plan your trip to Red River, 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 16°C, while the coldest months are January and December, with an average of -4°C. The snowiest months in Red River are January, December, March and November, with each month seeing an average of 41 cm of snowfall.