Secor weather by month
What a typical year looks like in Secor, Illinois: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Minonk, 21 km from Secor; records cover 1896–2026.
The year at a glance
- Precipitation a year
- 37.7 in956 mm
- Snow a year
- 22 in55 cm
- Last spring freeze
- Apr 26
- First fall freeze
- Oct 12
- Heating degree days
- 6,001
- Cooling degree days
- 1,031
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −6°−21° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Secor in January
Highs average 33°0° and lows 15°−9°, with 2 in51 mm of precipitation and 6 in15 cm of snow in a typical January.
- Record high
- 69°21° (1909)
- Record low
- −25°−32° (1982)
- Heating degree days
- 1271
- Cooling degree days
- 0
Secor in February
Highs average 38°3° and lows 19°−7°, with 1.8 in47 mm of precipitation and 5 in13 cm of snow in a typical February.
- Record high
- 74°23° (1996)
- Record low
- −28°−33° (1905)
- Heating degree days
- 1032
- Cooling degree days
- 0
Secor in March
Highs average 50°10° and lows 29°−2°, with 2.5 in64 mm of precipitation and 3 in8 cm of snow in a typical March.
- Record high
- 88°31° (1910)
- Record low
- −14°−26° (1943)
- Heating degree days
- 805
- Cooling degree days
- 2
Secor in April
Highs average 63°17° and lows 39°4°, with 3.7 in93 mm of precipitation and 0.8 in2 cm of snow in a typical April.
- Record high
- 93°34° (1930)
- Record low
- 6°−14° (2018)
- Heating degree days
- 437
- Cooling degree days
- 10
Secor in May
Highs average 74°23° and lows 51°10°, with 4.6 in117 mm of precipitation in a typical May.
- Record high
- 103°39° (1934)
- Record low
- 24°−4° (1966)
- Heating degree days
- 160
- Cooling degree days
- 83
Secor in June
Highs average 83°28° and lows 61°16°, with 4 in101 mm of precipitation in a typical June.
- Record high
- 105°41° (1934)
- Record low
- 36°2° (1901)
- Heating degree days
- 21
- Cooling degree days
- 226
Secor in July
Highs average 86°30° and lows 64°18°, with 3.8 in97 mm of precipitation in a typical July.
- Record high
- 111°44° (1936)
- Record low
- 42°6° (1901)
- Heating degree days
- 3
- Cooling degree days
- 313
Secor in August
Highs average 84°29° and lows 62°17°, with 3.5 in88 mm of precipitation in a typical August.
- Record high
- 105°41° (1936)
- Record low
- 38°3° (1950)
- Heating degree days
- 7
- Cooling degree days
- 255
Secor in September
Highs average 79°26° and lows 54°12°, with 3.9 in98 mm of precipitation in a typical September.
- Record high
- 104°40° (1899)
- Record low
- 22°−6° (1899)
- Heating degree days
- 81
- Cooling degree days
- 122
Secor in OctoberThis month
Highs average 66°19° and lows 42°6°, with 3.1 in78 mm of precipitation in a typical October.
- Record high
- 93°34° (1963)
- Record low
- 10°−12° (1925)
- Heating degree days
- 360
- Cooling degree days
- 19
Secor in November
Highs average 51°10° and lows 31°−1°, with 2.6 in66 mm of precipitation and 1.1 in2.8 cm of snow in a typical November.
- Record high
- 82°28° (1915)
- Record low
- −9°−23° (1930)
- Heating degree days
- 727
- Cooling degree days
- 1
Secor in December
Highs average 38°3° and lows 21°−6°, with 2.2 in56 mm of precipitation and 6 in14 cm of snow in a typical December.
- Record high
- 71°22° (2012)
- Record low
- −24°−31° (1924)
- Heating degree days
- 1097
- Cooling degree days
- 0