Ellington weather by month
What a typical year looks like in Ellington, Missouri: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Clearwater Dam, 21 km from Ellington; records cover 1946–2026.
The year at a glance
- Precipitation a year
- 48.7 in1238 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 12
- First fall freeze
- Oct 22
- Heating degree days
- 4,452
- Cooling degree days
- 1,391
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 5°−15° (heating, 99%) and 99°37° (cooling, 1%).
Month by month
Ellington in January
Highs average 43°6° and lows 23°−5°, with 3.4 in86 mm of precipitation in a typical January.
- Record high
- 77°25° (1952)
- Record low
- −19°−28° (1963)
- Heating degree days
- 987
- Cooling degree days
- 0
Ellington in February
Highs average 48°9° and lows 27°−3°, with 3.2 in82 mm of precipitation in a typical February.
- Record high
- 88°31° (2024)
- Record low
- −18°−28° (1951)
- Heating degree days
- 765
- Cooling degree days
- 0
Ellington in March
Highs average 58°15° and lows 35°2°, with 4.7 in119 mm of precipitation in a typical March.
- Record high
- 91°33° (2026)
- Record low
- −7°−22° (1947)
- Heating degree days
- 575
- Cooling degree days
- 3
Ellington in April
Highs average 69°21° and lows 44°7°, with 5.3 in135 mm of precipitation in a typical April.
- Record high
- 95°35° (1965)
- Record low
- 19°−7° (1962)
- Heating degree days
- 272
- Cooling degree days
- 24
Ellington in May
Highs average 77°25° and lows 54°12°, with 5.1 in128 mm of precipitation in a typical May.
- Record high
- 97°36° (1953)
- Record low
- 29°−2° (1954)
- Heating degree days
- 85
- Cooling degree days
- 108
Ellington in June
Highs average 85°30° and lows 63°17°, with 3.9 in99 mm of precipitation in a typical June.
- Record high
- 109°43° (2012)
- Record low
- 41°5° (1972)
- Heating degree days
- 5
- Cooling degree days
- 284
Ellington in July
Highs average 89°32° and lows 68°20°, with 4.6 in118 mm of precipitation in a typical July.
- Record high
- 110°43° (1980)
- Record low
- 45°7° (2014)
- Heating degree days
- 0
- Cooling degree days
- 420
Ellington in August
Highs average 88°31° and lows 66°19°, with 3.3 in83 mm of precipitation in a typical August.
- Record high
- 109°43° (1980)
- Record low
- 41°5° (1986)
- Heating degree days
- 2
- Cooling degree days
- 367
Ellington in September
Highs average 80°27° and lows 57°14°, with 3.8 in98 mm of precipitation in a typical September.
- Record high
- 106°41° (1954)
- Record low
- 32°0° (1967)
- Heating degree days
- 44
- Cooling degree days
- 155
Ellington in OctoberThis month
Highs average 70°21° and lows 45°7°, with 3.4 in87 mm of precipitation in a typical October.
- Record high
- 99°37° (1953)
- Record low
- 19°−7° (1952)
- Heating degree days
- 262
- Cooling degree days
- 28
Ellington in November
Highs average 57°14° and lows 35°2°, with 4.6 in117 mm of precipitation in a typical November.
- Record high
- 86°30° (1950)
- Record low
- −1°−18° (1950)
- Heating degree days
- 573
- Cooling degree days
- 2
Ellington in December
Highs average 46°8° and lows 27°−3°, with 3.4 in85 mm of precipitation in a typical December.
- Record high
- 78°26° (1951)
- Record low
- −13°−25° (1983)
- Heating degree days
- 882
- Cooling degree days
- 0