Longtown weather by month
What a typical year looks like in Longtown, Missouri: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Perryville Water Plt, 15 km from Longtown; records cover 1907–2026.
The year at a glance
- Precipitation a year
- 46.2 in1174 mm
- Snow a year
- 5 in12 cm
- Last spring freeze
- Apr 18
- First fall freeze
- Oct 17
- Heating degree days
- 4,878
- Cooling degree days
- 1,274
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 3°−16° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Longtown in January
Highs average 41°5° and lows 21°−6°, with 2.7 in70 mm of precipitation and 1.3 in3.3 cm of snow in a typical January.
- Record high
- 74°23° (1952)
- Record low
- −16°−27° (1977)
- Heating degree days
- 1049
- Cooling degree days
- 0
Longtown in February
Highs average 46°8° and lows 25°−4°, with 2.8 in70 mm of precipitation and 1.7 in4.3 cm of snow in a typical February.
- Record high
- 83°28° (1962)
- Record low
- −19°−28° (1979)
- Heating degree days
- 829
- Cooling degree days
- 0
Longtown in March
Highs average 56°13° and lows 33°0°, with 3.8 in97 mm of precipitation and 0.5 in1.3 cm of snow in a typical March.
- Record high
- 89°32° (1910)
- Record low
- 0°−18° (2015)
- Heating degree days
- 642
- Cooling degree days
- 3
Longtown in April
Highs average 68°20° and lows 42°6°, with 5.5 in140 mm of precipitation in a typical April.
- Record high
- 92°33° (1965)
- Record low
- 17°−8° (1971)
- Heating degree days
- 325
- Cooling degree days
- 19
Longtown in May
Highs average 77°25° and lows 53°12°, with 5.7 in145 mm of precipitation in a typical May.
- Record high
- 98°37° (1911)
- Record low
- 28°−2° (1978)
- Heating degree days
- 112
- Cooling degree days
- 101
Longtown in June
Highs average 85°30° and lows 62°17°, with 4.3 in110 mm of precipitation in a typical June.
- Record high
- 110°43° (2012)
- Record low
- 37°3° (1972)
- Heating degree days
- 10
- Cooling degree days
- 272
Longtown in July
Highs average 88°31° and lows 66°19°, with 3.9 in100 mm of precipitation in a typical July.
- Record high
- 108°42° (2012)
- Record low
- 38°3° (2017)
- Heating degree days
- 1
- Cooling degree days
- 380
Longtown in August
Highs average 87°31° and lows 64°18°, with 3.3 in85 mm of precipitation in a typical August.
- Record high
- 109°43° (1964)
- Record low
- 35°2° (1986)
- Heating degree days
- 3
- Cooling degree days
- 324
Longtown in September
Highs average 81°27° and lows 55°13°, with 3.3 in85 mm of precipitation in a typical September.
- Record high
- 104°40° (1954)
- Record low
- 29°−2° (1995)
- Heating degree days
- 63
- Cooling degree days
- 145
Longtown in OctoberThis month
Highs average 70°21° and lows 43°6°, with 3.4 in86 mm of precipitation in a typical October.
- Record high
- 96°36° (1954)
- Record low
- 4°−16° (1982)
- Heating degree days
- 293
- Cooling degree days
- 28
Longtown in November
Highs average 56°13° and lows 33°0°, with 4.2 in106 mm of precipitation and 0.1 in0.3 cm of snow in a typical November.
- Record high
- 86°30° (1989)
- Record low
- −5°−21° (1950)
- Heating degree days
- 624
- Cooling degree days
- 2
Longtown in December
Highs average 45°7° and lows 25°−4°, with 3.2 in80 mm of precipitation and 1.1 in2.8 cm of snow in a typical December.
- Record high
- 78°26° (1908)
- Record low
- −13°−25° (1989)
- Heating degree days
- 927
- Cooling degree days
- 0