Summer Set CDP, Missouri

Official LSAD Designation: Summer Set CDP • Census GEOID: 2971508 • Jefferson County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Summer Set CDP.

Reference Weather Station: FESTUS, MO US (ID: USC00232850) • Located 13.9 miles from community center • Elevation: 182.9 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	41.0°	22.3°	31.7°	2.68"
February	46.3°	25.3°	35.8°	2.51"
March	56.3°	33.6°	44.9°	4.00"
April	67.8°	43.8°	55.8°	4.91"
May	76.2°	53.8°	65.0°	4.76"
June	84.6°	62.6°	73.6°	4.74"
July	88.4°	67.2°	77.8°	3.83"
August	87.2°	65.4°	76.3°	3.59"
September	80.6°	57.1°	68.9°	3.38"
October	69.6°	45.5°	57.6°	2.83"
November	56.0°	35.1°	45.5°	3.54"
December	45.1°	26.5°	35.8°	2.80"

2010–2025, completed calendar years only.

NOAA station FESTUS, MO US (ID: USC00232850) • 13.9 miles from community center .

This is the same reference station used for monthly normals.

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	55.0	65.6	44.3
2011	56.6	67.1	46.2
2012	60.3	72.6	48.0
2013	55.7	66.8	44.5
2014	54.5	65.7	43.3
2015	56.7	67.3	46.1
2016	57.9	68.3	47.4
2017	57.8	69.2	46.3
2018	55.8	66.1	45.4
2019	55.6	65.9	45.4
2020	56.2	66.7	45.7
2021	56.6	67.4	45.9
2022	55.4	67.1	43.7
2023	57.9	69.5	46.4
2024	Unavailable	Unavailable	Unavailable
2025	Unavailable	Unavailable	Unavailable

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