East Cape Girardeau weather by month
What a typical year looks like in East Cape Girardeau, Illinois: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at CAPE GIRARDEAU FAA AP, 12 km from East Cape Girardeau; records cover 1960–2026.
The year at a glance
- Precipitation a year
- 47.9 in1217 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 6
- First fall freeze
- Oct 25
- Heating degree days
- 4,178
- Cooling degree days
- 1,566
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 8°−13° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
East Cape Girardeau in January
Highs average 43°6° and lows 26°−3°, with 3.5 in89 mm of precipitation in a typical January.
- Record high
- 73°23° (1967)
- Record low
- −18°−28° (1977)
- Heating degree days
- 942
- Cooling degree days
- 0
East Cape Girardeau in February
Highs average 48°9° and lows 30°−1°, with 3.3 in84 mm of precipitation in a typical February.
- Record high
- 79°26° (1962)
- Record low
- −14°−26° (2015)
- Heating degree days
- 730
- Cooling degree days
- 0
East Cape Girardeau in March
Highs average 58°15° and lows 37°3°, with 4.7 in119 mm of precipitation in a typical March.
- Record high
- 85°29° (2026)
- Record low
- −8°−22° (2015)
- Heating degree days
- 541
- Cooling degree days
- 4
East Cape Girardeau in April
Highs average 69°21° and lows 47°8°, with 5.2 in132 mm of precipitation in a typical April.
- Record high
- 91°33° (1989)
- Record low
- 18°−8° (2007)
- Heating degree days
- 242
- Cooling degree days
- 29
East Cape Girardeau in May
Highs average 78°26° and lows 58°14°, with 5.3 in134 mm of precipitation in a typical May.
- Record high
- 97°36° (1996)
- Record low
- 30°−1° (1968)
- Heating degree days
- 60
- Cooling degree days
- 147
East Cape Girardeau in June
Highs average 87°30° and lows 66°19°, with 3.8 in97 mm of precipitation in a typical June.
- Record high
- 107°42° (2012)
- Record low
- 43°6° (1972)
- Heating degree days
- 2
- Cooling degree days
- 340
East Cape Girardeau in July
Highs average 89°32° and lows 69°21°, with 3.9 in98 mm of precipitation in a typical July.
- Record high
- 106°41° (2012)
- Record low
- 49°9° (1962)
- Heating degree days
- 0
- Cooling degree days
- 442
East Cape Girardeau in August
Highs average 88°31° and lows 66°19°, with 3.2 in82 mm of precipitation in a typical August.
- Record high
- 105°41° (1964)
- Record low
- 45°7° (1986)
- Heating degree days
- 1
- Cooling degree days
- 383
East Cape Girardeau in September
Highs average 82°28° and lows 58°14°, with 3.6 in92 mm of precipitation in a typical September.
- Record high
- 101°38° (2026)
- Record low
- 33°1° (1999)
- Heating degree days
- 37
- Cooling degree days
- 179
East Cape Girardeau in OctoberThis month
Highs average 71°22° and lows 46°8°, with 3.6 in91 mm of precipitation in a typical October.
- Record high
- 94°34° (2019)
- Record low
- 22°−6° (2022)
- Heating degree days
- 238
- Cooling degree days
- 39
East Cape Girardeau in November
Highs average 57°14° and lows 37°3°, with 4.3 in108 mm of precipitation in a typical November.
- Record high
- 84°29° (2016)
- Record low
- 8°−13° (1976)
- Heating degree days
- 550
- Cooling degree days
- 3
East Cape Girardeau in December
Highs average 46°8° and lows 30°−1°, with 3.6 in92 mm of precipitation in a typical December.
- Record high
- 76°24° (1982)
- Record low
- −11°−24° (1989)
- Heating degree days
- 835
- Cooling degree days
- 0