Weather is only one factor, but it can really affect your travel plans, especially if you're planning an extended stay in Richland. The hottest months are usually July and August, with an average temperature of 19°C, while the coldest months are December and January, with an average of -2°C. The snowiest months in Richland are January, February, December and March, with each month seeing an average of 13 cm of snowfall.