New Canton weather by month
What a typical year looks like in New Canton, Illinois: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Saverton Lock And Dam 22, 13 km from New Canton; records cover 1948–2026.
The year at a glance
- Precipitation a year
- 38.5 in977 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 3
- First fall freeze
- Oct 31
- Heating degree days
- 5,024
- Cooling degree days
- 1,432
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 0°−18° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
New Canton in January
Highs average 37°3° and lows 21°−6°, with 1.9 in48 mm of precipitation in a typical January.
- Record high
- 74°23° (1950)
- Record low
- −22°−30° (1977)
- Heating degree days
- 1123
- Cooling degree days
- 0
New Canton in February
Highs average 42°6° and lows 24°−5°, with 2 in52 mm of precipitation in a typical February.
- Record high
- 82°28° (1972)
- Record low
- −19°−28° (1979)
- Heating degree days
- 894
- Cooling degree days
- 0
New Canton in March
Highs average 53°12° and lows 33°1°, with 2.7 in69 mm of precipitation in a typical March.
- Record high
- 92°33° (2026)
- Record low
- −11°−24° (1980)
- Heating degree days
- 685
- Cooling degree days
- 3
New Canton in April
Highs average 65°18° and lows 44°7°, with 3.9 in99 mm of precipitation in a typical April.
- Record high
- 94°34° (2001)
- Record low
- 20°−7° (2018)
- Heating degree days
- 331
- Cooling degree days
- 18
New Canton in May
Highs average 75°24° and lows 55°13°, with 4.7 in119 mm of precipitation in a typical May.
- Record high
- 96°36° (1978)
- Record low
- 32°0° (1966)
- Heating degree days
- 101
- Cooling degree days
- 107
New Canton in June
Highs average 85°29° and lows 65°18°, with 4.4 in112 mm of precipitation in a typical June.
- Record high
- 107°42° (2012)
- Record low
- 45°7° (1966)
- Heating degree days
- 8
- Cooling degree days
- 296
New Canton in July
Highs average 89°31° and lows 69°20°, with 4.1 in103 mm of precipitation in a typical July.
- Record high
- 110°43° (1954)
- Record low
- 43°6° (1967)
- Heating degree days
- 0
- Cooling degree days
- 422
New Canton in August
Highs average 87°31° and lows 67°19°, with 3.5 in89 mm of precipitation in a typical August.
- Record high
- 112°44° (2007)
- Record low
- 47°8° (1950)
- Heating degree days
- 1
- Cooling degree days
- 377
New Canton in September
Highs average 80°27° and lows 59°15°, with 3.8 in96 mm of precipitation in a typical September.
- Record high
- 104°40° (2011)
- Record low
- 35°2° (1949)
- Heating degree days
- 45
- Cooling degree days
- 174
New Canton in OctoberThis month
Highs average 68°20° and lows 47°8°, with 2.9 in74 mm of precipitation in a typical October.
- Record high
- 95°35° (2019)
- Record low
- 22°−6° (1960)
- Heating degree days
- 264
- Cooling degree days
- 33
New Canton in November
Highs average 54°12° and lows 36°2°, with 2.6 in66 mm of precipitation in a typical November.
- Record high
- 83°28° (1950)
- Record low
- −2°−19° (1964)
- Heating degree days
- 604
- Cooling degree days
- 2
New Canton in December
Highs average 42°5° and lows 26°−3°, with 2.1 in52 mm of precipitation in a typical December.
- Record high
- 75°24° (2012)
- Record low
- −18°−28° (1989)
- Heating degree days
- 968
- Cooling degree days
- 0