Morrison weather by month
What a typical year looks like in Morrison, Missouri: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Freedom, 24 km from Morrison; records cover 1962–2026.
The year at a glance
- Precipitation a year
- 44.3 in1126 mm
- Snow a year
- 11 in27 cm
- Last spring freeze
- Apr 13
- First fall freeze
- Oct 17
- Heating degree days
- 4,932
- Cooling degree days
- 1,240
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 1°−17° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Morrison in January
Highs average 40°5° and lows 21°−6°, with 2.4 in61 mm of precipitation and 5 in12 cm of snow in a typical January.
- Record high
- 77°25° (1965)
- Record low
- −20°−29° (1977)
- Heating degree days
- 1074
- Cooling degree days
- 0
Morrison in February
Highs average 46°8° and lows 24°−5°, with 2 in51 mm of precipitation and 1.9 in4.8 cm of snow in a typical February.
- Record high
- 84°29° (1972)
- Record low
- −17°−27° (1988)
- Heating degree days
- 844
- Cooling degree days
- 0
Morrison in March
Highs average 56°13° and lows 33°0°, with 3.4 in86 mm of precipitation and 1.1 in2.8 cm of snow in a typical March.
- Record high
- 95°35° (2026)
- Record low
- −6°−21° (1978)
- Heating degree days
- 644
- Cooling degree days
- 5
Morrison in April
Highs average 67°20° and lows 43°6°, with 4.4 in113 mm of precipitation in a typical April.
- Record high
- 94°34° (1987)
- Record low
- 17°−8° (1989)
- Heating degree days
- 324
- Cooling degree days
- 26
Morrison in May
Highs average 76°24° and lows 53°12°, with 5.2 in132 mm of precipitation in a typical May.
- Record high
- 95°35° (2012)
- Record low
- 23°−5° (1989)
- Heating degree days
- 118
- Cooling degree days
- 92
Morrison in June
Highs average 83°29° and lows 62°17°, with 4.7 in119 mm of precipitation in a typical June.
- Record high
- 106°41° (1988)
- Record low
- 38°3° (1972)
- Heating degree days
- 14
- Cooling degree days
- 242
Morrison in July
Highs average 88°31° and lows 66°19°, with 4.5 in114 mm of precipitation in a typical July.
- Record high
- 111°44° (1980)
- Record low
- 44°7° (1967)
- Heating degree days
- 1
- Cooling degree days
- 369
Morrison in August
Highs average 87°31° and lows 64°18°, with 4.3 in109 mm of precipitation in a typical August.
- Record high
- 109°43° (1980)
- Record low
- 37°3° (1986)
- Heating degree days
- 3
- Cooling degree days
- 328
Morrison in September
Highs average 80°27° and lows 56°13°, with 4 in102 mm of precipitation in a typical September.
- Record high
- 103°39° (1984)
- Record low
- 28°−2° (1983)
- Heating degree days
- 63
- Cooling degree days
- 144
Morrison in OctoberThis month
Highs average 69°20° and lows 44°7°, with 3.6 in90 mm of precipitation in a typical October.
- Record high
- 94°34° (1963)
- Record low
- 17°−8° (1981)
- Heating degree days
- 298
- Cooling degree days
- 31
Morrison in November
Highs average 56°13° and lows 34°1°, with 3.4 in85 mm of precipitation and 0.8 in2 cm of snow in a typical November.
- Record high
- 85°29° (1968)
- Record low
- 2°−17° (1964)
- Heating degree days
- 611
- Cooling degree days
- 3
Morrison in December
Highs average 45°7° and lows 25°−4°, with 2.5 in64 mm of precipitation and 2 in5.1 cm of snow in a typical December.
- Record high
- 77°25° (1991)
- Record low
- −21°−29° (1989)
- Heating degree days
- 938
- Cooling degree days
- 0