Colp weather by month
What a typical year looks like in Colp, Illinois: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Du Quoin 4 SE, 22 km from Colp; records cover 1895–2026.
The year at a glance
- Precipitation a year
- 47.7 in1212 mm
- Snow a year
- 12 in30 cm
- Last spring freeze
- Apr 7
- First fall freeze
- Oct 21
- Heating degree days
- 4,565
- Cooling degree days
- 1,330
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 7°−14° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Colp in January
Highs average 40°5° and lows 24°−5°, with 3.2 in80 mm of precipitation and 4 in10 cm of snow in a typical January.
- Record high
- 76°24° (1943)
- Record low
- −22°−30° (1912)
- Heating degree days
- 1018
- Cooling degree days
- 0
Colp in February
Highs average 46°8° and lows 28°−2°, with 2.9 in74 mm of precipitation and 3 in8 cm of snow in a typical February.
- Record high
- 79°26° (1932)
- Record low
- −21°−29° (1899)
- Heating degree days
- 792
- Cooling degree days
- 0
Colp in March
Highs average 56°13° and lows 36°2°, with 4.4 in112 mm of precipitation and 0.7 in1.8 cm of snow in a typical March.
- Record high
- 92°33° (1910)
- Record low
- −10°−23° (1978)
- Heating degree days
- 593
- Cooling degree days
- 4
Colp in April
Highs average 68°20° and lows 46°8°, with 5.4 in136 mm of precipitation and 0.1 in0.3 cm of snow in a typical April.
- Record high
- 92°33° (1901)
- Record low
- 20°−7° (1898)
- Heating degree days
- 272
- Cooling degree days
- 26
Colp in May
Highs average 76°24° and lows 56°13°, with 5.5 in140 mm of precipitation in a typical May.
- Record high
- 97°36° (1902)
- Record low
- 29°−2° (1903)
- Heating degree days
- 83
- Cooling degree days
- 117
Colp in June
Highs average 84°29° and lows 64°18°, with 4.8 in122 mm of precipitation in a typical June.
- Record high
- 106°41° (1988)
- Record low
- 39°4° (1917)
- Heating degree days
- 6
- Cooling degree days
- 286
Colp in July
Highs average 87°31° and lows 68°20°, with 3.9 in100 mm of precipitation in a typical July.
- Record high
- 113°45° (1934)
- Record low
- 47°8° (1911)
- Heating degree days
- 0
- Cooling degree days
- 384
Colp in August
Highs average 86°30° and lows 65°18°, with 3.3 in84 mm of precipitation in a typical August.
- Record high
- 113°45° (1930)
- Record low
- 43°6° (1915)
- Heating degree days
- 2
- Cooling degree days
- 332
Colp in September
Highs average 80°27° and lows 57°14°, with 3.4 in86 mm of precipitation in a typical September.
- Record high
- 108°42° (1925)
- Record low
- 27°−3° (1899)
- Heating degree days
- 49
- Cooling degree days
- 148
Colp in OctoberThis month
Highs average 69°21° and lows 46°8°, with 3.7 in93 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.
- Record high
- 96°36° (1953)
- Record low
- 20°−7° (1925)
- Heating degree days
- 263
- Cooling degree days
- 31
Colp in November
Highs average 55°13° and lows 36°2°, with 4.1 in103 mm of precipitation and 0.3 in0.8 cm of snow in a typical November.
- Record high
- 85°29° (1909)
- Record low
- −4°−20° (1929)
- Heating degree days
- 594
- Cooling degree days
- 2
Colp in December
Highs average 44°7° and lows 28°−2°, with 3.2 in82 mm of precipitation and 4 in9 cm of snow in a typical December.
- Record high
- 76°24° (1908)
- Record low
- −15°−26° (1901)
- Heating degree days
- 893
- Cooling degree days
- 0