Davis Junction weather by month
What a typical year looks like in Davis Junction, Illinois: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Rockford Greater Rockford Airport, 9 km from Davis Junction; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 37.2 in946 mm
- Snow a year
- 37 in94 cm
- Last spring freeze
- Apr 26
- First fall freeze
- Oct 13
- Heating degree days
- 6,496
- Cooling degree days
- 839
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −8°−22° (heating, 99%) and 94°34° (cooling, 1%).
Month by month
Davis Junction in January
Highs average 29°−2° and lows 15°−10°, with 1.6 in41 mm of precipitation and 11 in28 cm of snow in a typical January.
- Record high
- 63°17° (1989)
- Record low
- −31°−35° (2019)
- Heating degree days
- 1339
- Cooling degree days
- 0
Davis Junction in February
Highs average 33°1° and lows 18°−8°, with 1.6 in41 mm of precipitation and 9 in22 cm of snow in a typical February.
- Record high
- 78°26° (2024)
- Record low
- −25°−32° (1933)
- Heating degree days
- 1103
- Cooling degree days
- 0
Davis Junction in March
Highs average 47°8° and lows 28°−2°, with 2.4 in61 mm of precipitation and 5 in12 cm of snow in a typical March.
- Record high
- 85°29° (1986)
- Record low
- −11°−24° (1962)
- Heating degree days
- 860
- Cooling degree days
- 2
Davis Junction in April
Highs average 60°15° and lows 39°4°, with 3.8 in95 mm of precipitation and 0.9 in2.3 cm of snow in a typical April.
- Record high
- 93°34° (1930)
- Record low
- 5°−15° (1982)
- Heating degree days
- 482
- Cooling degree days
- 5
Davis Junction in May
Highs average 71°22° and lows 50°10°, with 4.2 in106 mm of precipitation in a typical May.
- Record high
- 106°41° (1934)
- Record low
- 24°−4° (1966)
- Heating degree days
- 199
- Cooling degree days
- 54
Davis Junction in June
Highs average 81°27° and lows 60°15°, with 5.2 in133 mm of precipitation in a typical June.
- Record high
- 106°41° (1934)
- Record low
- 35°2° (1945)
- Heating degree days
- 27
- Cooling degree days
- 182
Davis Junction in July
Highs average 84°29° and lows 64°18°, with 3.8 in97 mm of precipitation in a typical July.
- Record high
- 112°44° (1936)
- Record low
- 43°6° (1918)
- Heating degree days
- 3
- Cooling degree days
- 274
Davis Junction in August
Highs average 82°28° and lows 62°17°, with 4.2 in106 mm of precipitation in a typical August.
- Record high
- 104°40° (1918)
- Record low
- 35°2° (1915)
- Heating degree days
- 8
- Cooling degree days
- 222
Davis Junction in September
Highs average 75°24° and lows 54°12°, with 3.6 in92 mm of precipitation in a typical September.
- Record high
- 103°39° (1939)
- Record low
- 24°−4° (1942)
- Heating degree days
- 107
- Cooling degree days
- 89
Davis Junction in OctoberThis month
Highs average 62°17° and lows 42°5°, with 2.6 in67 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.
- Record high
- 91°33° (1922)
- Record low
- 7°−14° (1925)
- Heating degree days
- 412
- Cooling degree days
- 11
Davis Junction in November
Highs average 47°8° and lows 31°−1°, with 2.3 in58 mm of precipitation and 2.3 in5.8 cm of snow in a typical November.
- Record high
- 81°27° (1933)
- Record low
- −10°−23° (1977)
- Heating degree days
- 786
- Cooling degree days
- 0
Davis Junction in December
Highs average 34°1° and lows 20°−7°, with 1.9 in49 mm of precipitation and 9 in24 cm of snow in a typical December.
- Record high
- 69°21° (2012)
- Record low
- −24°−31° (1983)
- Heating degree days
- 1170
- Cooling degree days
- 0