De Witt Seasonal temperature break down - The average median temperature March through May is approximately 62°F with highs averaging at 72°F and lows averaging at 54°F. June through August has an approximate average median temperature of 80°F with highs averaging at 89°F, lows typically average at 72°F. Average median temperatures September through November average out at 63°F, high temperatures average out at 75°F and lows average at 54°F.
The average median temperature December through February is approximately 45°F with highs averaging at 54°F, lows average out at 38°F.
The average De Witt annual median temperature averages out at approximately 63°F. The coldest month in De Witt is January with a median temperature of 42°F, the average high for the month of January is 50°F with an average low of 35.7°F. The hottest month in De Witt is August with an approximate median temperature of 81°F, the average high for the month of August is 91°F with an average low of 73°F.