Weather By Day

December St Louis Weather 
December St Louis Weather
Record High: 76°F
Normal High: 42°F
Normal Low: 26°F
Record Low: -16°F
Avg Monthly Rain: 2.86"
Rec 1 Day Rain: 2.76"
Avg Monthly Snow: 4"
Rec 1 Day Snow: 12"

St Louis Weather In December

The hottest day in St Louis Missouri in December for the past 53 years was 76 degrees Fahrenheit, registered on December 1, 1970, while the mean high temperature is 42. In the last 53 years the lowest measured December temperature in St Louis was -16 on December 15, 1989, while the typical low recorded temperature is 26.

United States NWS historical St Louis December Weather data records that on December 23, 1983, the high temperature did not exceed -5 degrees Fahrenheit, the lowest high measured in St Louis in the past 53 years. Weather Service records additionally show that on December 23, 1982, the recorded low temperature for the day did not drop below 63 degrees, the highest low measured in St Louis in the last 53 years.

Weather Service historical data shows that the average daily high temperature in St Louis on December First is 48 degrees Fahrenheit and the average high on the last day of December is 39 degrees. The low recorded temperature in St Louis on December First averages 30 degrees Fahrenheit and the low temperature on the final day of December averages 25 degrees.

St Louis usually receives an average of 2.86 inches of rain during December. December St Louis Weather records show that on December 15, 1992 St Louis received 2.76 inches of rain, the most rain measured in a single day in December. St Louis averages 4 inches of snow in December.On December 19, 1973 St Louis received 12 inches of precipitation, the highest snowfall recorded in a single day in December.