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Potosi city, Missouri

Official LSAD Designation: Potosi city • Census GEOID: 2959330 • Washington County

Climate Normals & Weather Observations

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

Reference Weather Station: POTOSI 4 SW, MO US (ID: USC00236826) • Located 4.5 miles from community center • Elevation: 336.8 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 39.6° 21.4° 30.5° 2.84"
February 45.3° 25.2° 35.2° 2.69"
March 55.1° 33.5° 44.3° 4.09"
April 66.3° 44.3° 55.3° 5.11"
May 74.0° 54.1° 64.1° 5.29"
June 81.9° 62.8° 72.3° 4.15"
July 86.0° 66.7° 76.3° 3.64"
August 85.2° 65.0° 75.1° 4.00"
September 77.8° 56.9° 67.4° 3.89"
October 67.5° 46.2° 56.9° 3.07"
November 54.1° 35.3° 44.7° 3.72"
December 43.4° 26.4° 34.9° 2.97"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station POTOSI 4 SW, MO US (ID: USC00236826) • 4.5 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 POTOSI 4 SW, 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. 42.0 49.3 56.5 63.8 71.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2011: Annual mean 55.5°F 2015: Annual mean 55.3°F 2018: Annual mean 54.6°F 2024: Annual mean 57.9°F 2010: Annual mean of daily highs 64.8°F 2011: Annual mean of daily highs 64.9°F 2015: Annual mean of daily highs 64.7°F 2018: Annual mean of daily highs 64.1°F 2024: Annual mean of daily highs 67.9°F 2011: Annual mean of daily lows 46.1°F 2015: Annual mean of daily lows 45.8°F 2018: Annual mean of daily lows 45.1°F 2024: Annual mean of daily lows 47.9°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 Unavailable 64.8 Unavailable
2011 55.5 64.9 46.1
2012 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 Unavailable Unavailable Unavailable
2015 55.3 64.7 45.8
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 54.6 64.1 45.1
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 57.9 67.9 47.9
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.