Weather By Day

August St Louis Weather 
August St Louis Weather
Record High: 107°F
Normal High: 88°F
Normal Low: 69°F
Record Low: 47°F
Avg Monthly Rain: 2.98"
Rec 1 Day Rain: 2.68"

St Louis Weather In August

The hottest August day in St Louis for the past 53 years was 107 degrees Fahrenheit, registered on August 29, 1984, while the regular high temperature is 88. The coldest day reported in St Louis in August for the past 53 years was 47 on August 28, 1986, and the mean daily low in the month is 69.

United States National Weather Service historical St Louis August weather data indicates that on August 19, 1963, the measured high temperature did not exceed 60 degrees Fahrenheit, the lowest high measured in St Louis in the past 53 years. The Weather Service additionally shows that on August 12, 1995, the low for the day did not drop below 83 degrees, the highest low temperature in St Louis in the last 53 years.

Historical weather data accumulated by the National Weather Service shows that the average daily high temperature in St Louis on August First is 89 degrees Fahrenheit and the average high on the last day of August is 86 degrees. The average recorded low temperature in St Louis on August First is 69 degrees Fahrenheit and the average low on the last day of August is 66 degrees.

St Louis typically receives an average of 2.98 inches of rain during the month. The most precipitation measured in a single day, as indicated by August St Louis Weather data, was 2.68 inches on August 6, 2002.