2nd driest year on record: State average precipitation. Disclaimer: Farmers’ Almanac’s Weather History records are based upon data collected and powered by Dark Sky.While we cannot guarantee every reported condition for a given day is accurate, we are continuing to work with Dark Sky to provide information that is as accurate as possible. 1901: Heat and Drought. Air Dwpt Max. Coldest temperature ever recorded for Missouri: -40° in Warsaw. Min. Missouri generally has a variety of seasonal humid subtropical climate (Köppen climate classification Cfa), with cool winters and long, hot summers.In the southern part of the state, particularly in the Bootheel, the climate borders on a more mild-type humid subtropical climate (Köppen Cfa), and in the northern third, the state transitions into a humid continental climate (Köppen Dfa). Enter a date here or click on the text box to open a clickable calendar: sea level (mb) 1 hr 3 hr 6 hr; 6 hour; Temperature (ºF) Pressure Precipitation (in.) Today’s and tonight’s Montgomery City, MO weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather.com Saint Louis, MO past weather data including previous temperature, barometric pressure, humidity, dew point, rain total, and wind conditions. : 25.86” 1904: November: Driest month on record for Missouri: State average precipitation: 0.22” 1905: February 13. Extreme diurnal temperature range. Farther down the page you'll find links to in-depth weather information for Kansas City, St. Louis and other places in the state. National Weather Service Southern Region Headquarters Fort Worth, Texas Disclaimer: Last Modified: Febuary, 7 2012 Monthly averages Jefferson City Longitude: -92.1561, Latitude: 38.5912 Average weather Jefferson City, MO - 65101. Monthly: 1981-2010 normals Missouri Mesonet - Weather Station Network. 1911: November 11. Missouri annual average temperature - 54.45 degrees, 18th warmest state in the U.S. Record Hottest year in Missouri - 2012 / Avg temperature 58.50 degrees; Record Coldest year in Missouri - 1895 / Avg temperature 51.69 degrees; Missouri average Summer temperature (June, July, August) 75.4 F degrees, 14th warmest U.S. summer state History: The meteorological service of the Signal Corps was established by an act of February 9, 1870 (16 Stat. Toggle Main Menu Saint Louis, MO | 31° F Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in.) Significant Weather Events of the Century for Missouri. 369), authorizing a system of regular weather reporting stations; formally assigned to the Signal Corps by War Department General Order 29, March 15, 1870. Weather Sky Cond. Select a link for the average weather, by month or year, in cities, towns and lakes throughout Missouri. The links take you to data for normal temperatures, precipitation, snowfall, sunshine and humidity. Real-Time Maps; Real-Time Conditions About this information and data; Weather Terminology Definitions; 2" Soil Temperatures for Missouri ... 6" Soil Temperatures for Missouri; Missouri Mesonet Historical Weather Database; Current Weekly Weather Summary by Station; Station Data.