New London weather by month
What a typical year looks like in New London, Missouri: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at HANNIBAL WATER WORKS, 16 km from New London; records cover 1902–2026.
The year at a glance
- Precipitation a year
- 41.3 in1049 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 10
- First fall freeze
- Oct 27
- Heating degree days
- 5,513
- Cooling degree days
- 1,181
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −2°−19° (heating, 99%) and 95°35° (cooling, 1%).
Month by month
New London in January
Highs average 35°1° and lows 18°−8°, with 2.1 in54 mm of precipitation in a typical January.
- Record high
- 77°25° (1909)
- Record low
- −21°−29° (1985)
- Heating degree days
- 1201
- Cooling degree days
- 0
New London in February
Highs average 40°4° and lows 22°−6°, with 2.3 in57 mm of precipitation in a typical February.
- Record high
- 81°27° (1972)
- Record low
- −25°−32° (1905)
- Heating degree days
- 963
- Cooling degree days
- 0
New London in March
Highs average 51°11° and lows 32°0°, with 2.8 in70 mm of precipitation in a typical March.
- Record high
- 91°33° (1907)
- Record low
- −9°−23° (1960)
- Heating degree days
- 725
- Cooling degree days
- 3
New London in April
Highs average 64°18° and lows 43°6°, with 4.3 in110 mm of precipitation in a typical April.
- Record high
- 93°34° (1930)
- Record low
- 11°−12° (1920)
- Heating degree days
- 368
- Cooling degree days
- 16
New London in May
Highs average 73°23° and lows 54°12°, with 5 in126 mm of precipitation in a typical May.
- Record high
- 104°40° (1934)
- Record low
- 30°−1° (1903)
- Heating degree days
- 128
- Cooling degree days
- 86
New London in June
Highs average 82°28° and lows 64°18°, with 4.9 in125 mm of precipitation in a typical June.
- Record high
- 104°40° (1936)
- Record low
- 43°6° (1903)
- Heating degree days
- 13
- Cooling degree days
- 247
New London in July
Highs average 86°30° and lows 67°20°, with 4.1 in104 mm of precipitation in a typical July.
- Record high
- 114°46° (1954)
- Record low
- 48°9° (1971)
- Heating degree days
- 1
- Cooling degree days
- 358
New London in August
Highs average 84°29° and lows 65°18°, with 3.9 in100 mm of precipitation in a typical August.
- Record high
- 110°43° (1934)
- Record low
- 40°4° (1999)
- Heating degree days
- 4
- Cooling degree days
- 307
New London in September
Highs average 78°26° and lows 57°14°, with 3.5 in90 mm of precipitation in a typical September.
- Record high
- 102°39° (2011)
- Record low
- 30°−1° (1942)
- Heating degree days
- 67
- Cooling degree days
- 139
New London in OctoberThis month
Highs average 66°19° and lows 45°7°, with 3.4 in86 mm of precipitation in a typical October.
- Record high
- 95°35° (1939)
- Record low
- 13°−11° (1925)
- Heating degree days
- 324
- Cooling degree days
- 23
New London in November
Highs average 52°11° and lows 34°1°, with 2.8 in72 mm of precipitation in a typical November.
- Record high
- 83°28° (1938)
- Record low
- −6°−21° (1964)
- Heating degree days
- 676
- Cooling degree days
- 2
New London in December
Highs average 39°4° and lows 23°−5°, with 2.2 in56 mm of precipitation in a typical December.
- Record high
- 76°24° (2021)
- Record low
- −21°−29° (1989)
- Heating degree days
- 1043
- Cooling degree days
- 0