Union city, Missouri

Official LSAD Designation: Union city • Census GEOID: 2974626 • Franklin County

Climate Normals & Weather Observations

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

Reference Weather Station: UNION, MO US (ID: USC00238515) • Located 0.6 miles from community center • Elevation: 164.6 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	43.0°	22.9°	33.0°	2.72"
February	48.3°	26.1°	37.2°	2.45"
March	59.1°	35.3°	47.2°	3.87"
April	70.4°	45.0°	57.7°	4.99"
May	78.1°	54.8°	66.5°	4.85"
June	86.2°	63.3°	74.7°	4.24"
July	90.6°	67.4°	79.0°	4.74"
August	89.4°	65.8°	77.6°	3.84"
September	81.7°	57.0°	69.3°	3.63"
October	70.2°	45.6°	57.9°	3.31"
November	57.3°	35.0°	46.1°	3.66"
December	46.1°	27.2°	36.7°	2.66"

2010–2025, completed calendar years only.

NOAA station WASHINGTON, MO US (ID: USC00238746) • 7.3 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00238515), which has no available annual mean history.

Show annual mean of daily highs and lows

Annual mean Annual mean of daily highs Annual mean of daily lows

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	54.7	65.9	43.5
2011	Unavailable	Unavailable	Unavailable
2012	57.3	69.9	44.6
2013	53.0	64.1	41.8
2014	52.2	63.2	41.1
2015	55.1	65.9	44.4
2016	57.2	68.1	46.3
2017	57.1	68.8	45.4
2018	55.2	66.4	44.0
2019	55.2	65.8	44.6
2020	Unavailable	Unavailable	Unavailable
2021	55.9	66.9	45.0
2022	54.6	66.7	42.5
2023	56.9	69.2	44.7
2024	57.6	69.4	45.8
2025	56.2	68.0	44.5

Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.