Lake of the Woods weather by month
What a typical year looks like in Lake of the Woods, Illinois: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at CHAMPAIGN 3S, 18 km from Lake of the Woods; records cover 1888–2026.
The year at a glance
- Precipitation a year
- 40.9 in1039 mm
- Snow a year
- 21 in53 cm
- Last spring freeze
- Apr 13
- First fall freeze
- Oct 17
- Heating degree days
- 5,656
- Cooling degree days
- 1,072
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
Lake of the Woods in January
Highs average 34°1° and lows 18°−8°, with 2.3 in59 mm of precipitation and 7 in17 cm of snow in a typical January.
- Record high
- 70°21° (1909)
- Record low
- −25°−32° (1994)
- Heating degree days
- 1218
- Cooling degree days
- 0
Lake of the Woods in February
Highs average 38°4° and lows 21°−6°, with 2.2 in55 mm of precipitation and 6 in15 cm of snow in a typical February.
- Record high
- 75°24° (2024)
- Record low
- −25°−32° (1899)
- Heating degree days
- 985
- Cooling degree days
- 0
Lake of the Woods in March
Highs average 50°10° and lows 31°0°, with 2.8 in70 mm of precipitation and 2.5 in6.4 cm of snow in a typical March.
- Record high
- 88°31° (2026)
- Record low
- −9°−23° (2015)
- Heating degree days
- 752
- Cooling degree days
- 1
Lake of the Woods in April
Highs average 63°17° and lows 42°5°, with 3.9 in100 mm of precipitation and 0.3 in0.8 cm of snow in a typical April.
- Record high
- 95°35° (1894)
- Record low
- 14°−10° (2018)
- Heating degree days
- 388
- Cooling degree days
- 9
Lake of the Woods in May
Highs average 74°23° and lows 53°12°, with 4.8 in121 mm of precipitation in a typical May.
- Record high
- 97°36° (1934)
- Record low
- 26°−3° (1903)
- Heating degree days
- 138
- Cooling degree days
- 84
Lake of the Woods in June
Highs average 83°28° and lows 62°17°, with 4.6 in116 mm of precipitation in a typical June.
- Record high
- 103°39° (1934)
- Record low
- 34°1° (1894)
- Heating degree days
- 14
- Cooling degree days
- 236
Lake of the Woods in July
Highs average 85°30° and lows 65°18°, with 4.5 in114 mm of precipitation in a typical July.
- Record high
- 109°43° (1954)
- Record low
- 41°5° (1904)
- Heating degree days
- 1
- Cooling degree days
- 317
Lake of the Woods in August
Highs average 84°29° and lows 64°18°, with 3.5 in90 mm of precipitation in a typical August.
- Record high
- 102°39° (1988)
- Record low
- 37°3° (1888)
- Heating degree days
- 3
- Cooling degree days
- 276
Lake of the Woods in September
Highs average 79°26° and lows 56°13°, with 3.4 in86 mm of precipitation in a typical September.
- Record high
- 102°39° (1899)
- Record low
- 24°−4° (1899)
- Heating degree days
- 64
- Cooling degree days
- 130
Lake of the Woods in OctoberThis month
Highs average 66°19° and lows 44°7°, with 3.4 in85 mm of precipitation in a typical October.
- Record high
- 93°34° (1954)
- Record low
- 12°−11° (1895)
- Heating degree days
- 334
- Cooling degree days
- 19
Lake of the Woods in November
Highs average 51°10° and lows 32°0°, with 3.2 in82 mm of precipitation and 0.9 in2.3 cm of snow in a typical November.
- Record high
- 80°27° (1950)
- Record low
- −5°−21° (1950)
- Heating degree days
- 707
- Cooling degree days
- 0
Lake of the Woods in December
Highs average 39°4° and lows 24°−5°, with 2.4 in61 mm of precipitation and 5 in12 cm of snow in a typical December.
- Record high
- 71°22° (1998)
- Record low
- −20°−29° (1924)
- Heating degree days
- 1052
- Cooling degree days
- 0