The highest temperature measured during that time was 115 degrees Fahrenheit (46 Celsius) on July 14, 1954. Up to 2 feet of snow to bury New England this weekend. For the St. Louis area there is a 40% chance that there will be measurable rainfall on Memorial Day. Monthly: 1981-2010 normals Average Weather in December in St. Louis Missouri, United States. Since 1946 the temperature extremes were observed at St. Louis Lambert International Airport. Be prepared with the most accurate 10-day forecast for St. Louis, MO with highs, lows, chance of precipitation from The Weather Channel and Weather.com Nov December 2020 . These records go back to 1893. Get the monthly weather forecast for St. Louis, MO, including daily high/low, historical averages, to help you plan ahead. ... Includes Daily Risk of Precipitation, High/Low/Average Temperatures, Heating/Cooling Degree Days and Growing Degree Days ... Click or Tap on any day for a detailed forecast. There have been 7 different years the recorded rainfall amount has exceeded 1 inch. High & Low Weather Summary for the Past Weeks Twice it has exceeded 2 inches! Before then, the weather station was at downtown St. Louis. In St. Louis, there are 3 comfortable months with high temperatures in the range of 70-85°. Since 1946 the temperature extremes were observed at St. Louis Lambert International Airport. Calendar overview of Months Weather Forecast. Get the forecast. Before then, the weather station was at downtown St. Louis. St. Louis Temperature Yesterday. July is the hottest month for St. Louis with an average high temperature of 88.5°, which ranks it as about average compared to other places in Missouri. Free Long Range Weather Forecast for St. Louis, Missouri. Averages are for St. Paul International Airport, which is 7 miles from Minneapolis. These records go back to 1893. Station Data. The lowest temperature measured during that time was -18 degrees Fahrenheit (-28 Celsius) on January 20, 1985 and February 13, 1905. The most pleasant months of the year for St. Louis are May, September and June. Based on weather reports collected during 1985â2015. Get the monthly weather forecast for St. Louis, MO, including daily high/low, historical averages, to help you plan ahead. Monthly averages Lake Saint Louis Longitude: -90.7884, Latitude: 38.7809 Average weather Lake Saint Louis, MO - 63367. Maximum temperature yesterday: 36 °F (at 12:51 am) Minimum temperature yesterday: 27 °F (at 11:51 pm) Average temperature yesterday: 32 °F. Annual Weather Averages Near Minneapolis. , the weather station was at downtown St. Louis to 2 feet of snow to bury New this... New England this weekend, September and June rainfall amount has exceeded 1.! Measured during that time was 115 degrees Fahrenheit ( 46 Celsius ) on July 14 1954... 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