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Old Monroe city, Missouri

Official LSAD Designation: Old Monroe city • Census GEOID: 2954416 • Lincoln County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Old Monroe city.

Reference Weather Station: ST PETERS 2 SE, MO US (ID: USC00237475) • Located 14.4 miles from community center • Elevation: 175.3 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 39.3° 21.2° 30.2° 2.44"
February 44.9° 24.8° 34.8° 2.37"
March 55.5° 33.3° 44.4° 3.46"
April 67.3° 43.3° 55.3° 4.74"
May 76.3° 53.5° 64.9° 4.80"
June 84.4° 63.3° 73.9° 4.26"
July 88.1° 67.5° 77.8° 4.23"
August 87.2° 65.4° 76.3° 3.76"
September 80.8° 57.1° 68.9° 3.07"
October 68.5° 45.2° 56.9° 3.11"
November 54.9° 35.0° 44.9° 3.54"
December 43.6° 26.5° 35.0° 2.56"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station ST PETERS 2 SE, MO US (ID: USC00237475) • 14.4 miles from community center .

This is the same reference station used for monthly normals.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at ST PETERS 2 SE, MO US Year is the horizontal axis. Annual mean temperature in degrees Fahrenheit is the vertical axis. Dots show recorded years; lines connect consecutive available years only. Missing years are gaps, with no interpolation. Optional dashed lines show annual mean of daily highs and lows. Exact values appear in the data table below. 40.0 48.3 56.5 64.8 73.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 55.3°F 2011: Annual mean 56.1°F 2013: Annual mean 53.7°F 2015: Annual mean 55.4°F 2010: Annual mean of daily highs 66.1°F 2011: Annual mean of daily highs 66.3°F 2012: Annual mean of daily highs 69.7°F 2013: Annual mean of daily highs 64.3°F 2015: Annual mean of daily highs 65.6°F 2010: Annual mean of daily lows 44.5°F 2011: Annual mean of daily lows 45.8°F 2013: Annual mean of daily lows 43.1°F 2015: Annual mean of daily lows 45.2°F

Source: NOAA NCEI Global Summary of the Year.

Annual temperature data table (°F)
Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year Annual mean (°F) Annual mean of daily highs (°F) Annual mean of daily lows (°F)
2010 55.3 66.1 44.5
2011 56.1 66.3 45.8
2012 Unavailable 69.7 Unavailable
2013 53.7 64.3 43.1
2014 Unavailable Unavailable Unavailable
2015 55.4 65.6 45.2
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.