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Orangeville weather by month

What a typical year looks like in Orangeville, Illinois: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at MONROE WWTP, 15 km from Orangeville; records cover 1966–2026.

Today’s Orangeville forecast

The year at a glance

January: typical high 26.7°F, low 10.9°F, precipitation 1.55 in. February: typical high 31°F, low 14.4°F, precipitation 1.69 in. March: typical high 43.5°F, low 25.2°F, precipitation 2.12 in. April: typical high 57.1°F, low 36.8°F, precipitation 3.82 in. May: typical high 69.6°F, low 48.5°F, precipitation 4.07 in. June: typical high 79.4°F, low 59.2°F, precipitation 6.18 in. July: typical high 82.5°F, low 62.6°F, precipitation 4.15 in. August: typical high 80.1°F, low 60.6°F, precipitation 4.46 in. September: typical high 72.7°F, low 52°F, precipitation 4.15 in. October: typical high 59.3°F, low 40.2°F, precipitation 3.24 in. November: typical high 44.7°F, low 28.5°F, precipitation 2.39 in. December: typical high 31.7°F, low 17.7°F, precipitation 1.91 in.−40°−40°−20°−29°0°−18°20°−7°40°4°60°16°80°27°100°38°27°−3°11°−12°Jan31°−1°14°−10°Feb44°6°25°−4°Mar57°14°37°3°Apr70°21°49°9°May79°26°59°15°Jun83°28°63°17°Jul80°27°61°16°Aug73°23°52°11°Sep59°15°40°5°Oct45°7°29°−2°Nov32°0°18°−8°DecPrecipitation
Bars: typical low to high (official normals, 1991–2020) Record high Record low
Precipitation a year
39.7 in1009 mm
Snow a year
42 in105 cm
Last spring freeze
Apr 29
First fall freeze
Oct 10
Heating degree days
7,113
Cooling degree days
697

Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −11°−24° (heating, 99%) and 94°34° (cooling, 1%).

Month by month

Orangeville in January

Highs average 27°−3° and lows 11°−12°, with 1.6 in39 mm of precipitation and 12 in30 cm of snow in a typical January.

Record high
58°14° (2002)
Record low
−28°−33° (2009)
Heating degree days
1432
Cooling degree days
0

Orangeville in February

Highs average 31°−1° and lows 14°−10°, with 1.7 in43 mm of precipitation and 11 in27 cm of snow in a typical February.

Record high
71°22° (2024)
Record low
−28°−33° (2019)
Heating degree days
1184
Cooling degree days
0

Orangeville in March

Highs average 44°6° and lows 25°−4°, with 2.1 in54 mm of precipitation and 5 in12 cm of snow in a typical March.

Record high
82°28° (2012)
Record low
−14°−26° (2002)
Heating degree days
951
Cooling degree days
1

Orangeville in April

Highs average 57°14° and lows 37°3°, with 3.8 in97 mm of precipitation and 1.4 in3.6 cm of snow in a typical April.

Record high
87°31° (2002)
Record low
11°−12° (2003)
Heating degree days
544
Cooling degree days
2

Orangeville in May

Highs average 70°21° and lows 49°9°, with 4.1 in103 mm of precipitation and 0.3 in0.8 cm of snow in a typical May.

Record high
96°36° (2010)
Record low
24°−4° (2005)
Heating degree days
226
Cooling degree days
42

Orangeville in June

Highs average 79°26° and lows 59°15°, with 6.2 in157 mm of precipitation in a typical June.

Record high
97°36° (2011)
Record low
40°4° (2003)
Heating degree days
33
Cooling degree days
162

Orangeville in July

Highs average 83°28° and lows 63°17°, with 4.2 in105 mm of precipitation in a typical July.

Record high
104°40° (2012)
Record low
39°4° (1972)
Heating degree days
8
Cooling degree days
242

Orangeville in August

Highs average 80°27° and lows 61°16°, with 4.5 in113 mm of precipitation in a typical August.

Record high
97°36° (2024)
Record low
42°6° (2004)
Heating degree days
15
Cooling degree days
181

Orangeville in September

Highs average 73°23° and lows 52°11°, with 4.2 in105 mm of precipitation in a typical September.

Record high
95°35° (2012)
Record low
29°−2° (2003)
Heating degree days
140
Cooling degree days
61

Orangeville in OctoberThis month

Highs average 59°15° and lows 40°5°, with 3.2 in82 mm of precipitation and 0.4 in1 cm of snow in a typical October.

Record high
92°33° (2010)
Record low
22°−6° (2003)
Heating degree days
479
Cooling degree days
6

Orangeville in November

Highs average 45°7° and lows 29°−2°, with 2.4 in61 mm of precipitation and 1.8 in4.6 cm of snow in a typical November.

Record high
74°23° (2016)
Record low
0°−18° (2019)
Heating degree days
852
Cooling degree days
0

Orangeville in December

Highs average 32°0° and lows 18°−8°, with 1.9 in49 mm of precipitation and 11 in27 cm of snow in a typical December.

Record high
69°21° (2021)
Record low
−21°−29° (2000)
Heating degree days
1249
Cooling degree days
0