Pleasant Grove Seasonal temperature break down - The average median temperature March through May is approximately 64°F with highs averaging at 75°F and lows averaging at 54°F. June through August has an approximate average median temperature of 78°F with highs averaging at 90°F, lows typically average at 69°F. Average median temperatures September through November average out at 66°F, high temperatures average out at 77°F and lows average at 55°F.
The average median temperature December through February is approximately 50°F with highs averaging at 60°F, lows average out at 42°F.
The average Pleasant Grove annual median temperature averages out at approximately 64°F. The coldest month in Pleasant Grove is January with a median temperature of 45°F, the average high for the month of January is 55°F with an average low of 37°F. The hottest month in Pleasant Grove is September with an approximate median temperature of 81°F, the average high for the month of September is 93°F with an average low of 69°F.