The most pleasant months of the year for Burr Oak are June, September and August. In Burr Oak, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Burr Oak with an average high temperature of 86.2°, which ranks it as warmer than most places in South Dakota. March is the snowiest month in Burr Oak with 7.6 inches of snow, and 7 months of the year have significant snowfall. July is the most humid month, though it is still relatively mild compared to many other places.