Keosauqua weather by month
What a typical year looks like in Keosauqua, Iowa: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Keosauqua, 1 km from Keosauqua; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 39.7 in1009 mm
- Snow a year
- 23 in58 cm
- Last spring freeze
- Apr 18
- First fall freeze
- Oct 15
- Heating degree days
- 6,181
- Cooling degree days
- 980
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 98°37° (cooling, 1%).
Month by month
Keosauqua in January
Highs average 32°0° and lows 14°−10°, with 1.5 in38 mm of precipitation and 7 in19 cm of snow in a typical January.
- Record high
- 70°21° (1909)
- Record low
- −36°−38° (1930)
- Heating degree days
- 1305
- Cooling degree days
- 0
Keosauqua in February
Highs average 37°3° and lows 17°−8°, with 2.1 in54 mm of precipitation and 5 in13 cm of snow in a typical February.
- Record high
- 78°26° (1930)
- Record low
- −29°−34° (1996)
- Heating degree days
- 1067
- Cooling degree days
- 0
Keosauqua in March
Highs average 50°10° and lows 29°−2°, with 2.5 in62 mm of precipitation and 2.7 in6.9 cm of snow in a typical March.
- Record high
- 90°32° (2026)
- Record low
- −17°−27° (2014)
- Heating degree days
- 798
- Cooling degree days
- 1
Keosauqua in April
Highs average 63°17° and lows 39°4°, with 3.6 in92 mm of precipitation and 0.9 in2.3 cm of snow in a typical April.
- Record high
- 92°33° (1930)
- Record low
- 7°−14° (1920)
- Heating degree days
- 426
- Cooling degree days
- 9
Keosauqua in May
Highs average 73°23° and lows 51°10°, with 5.7 in144 mm of precipitation in a typical May.
- Record high
- 103°39° (1934)
- Record low
- 24°−4° (1907)
- Heating degree days
- 168
- Cooling degree days
- 64
Keosauqua in June
Highs average 82°28° and lows 60°16°, with 5.3 in134 mm of precipitation in a typical June.
- Record high
- 107°42° (1934)
- Record low
- 36°2° (1903)
- Heating degree days
- 19
- Cooling degree days
- 200
Keosauqua in July
Highs average 86°30° and lows 65°18°, with 4.5 in114 mm of precipitation in a typical July.
- Record high
- 115°46° (1936)
- Record low
- 43°6° (1911)
- Heating degree days
- 2
- Cooling degree days
- 318
Keosauqua in August
Highs average 85°29° and lows 62°17°, with 3.6 in91 mm of precipitation in a typical August.
- Record high
- 115°46° (1934)
- Record low
- 36°2° (1915)
- Heating degree days
- 7
- Cooling degree days
- 266
Keosauqua in September
Highs average 78°25° and lows 53°12°, with 3.7 in94 mm of precipitation in a typical September.
- Record high
- 102°39° (1913)
- Record low
- 23°−5° (1984)
- Heating degree days
- 96
- Cooling degree days
- 106
Keosauqua in OctoberThis month
Highs average 65°18° and lows 42°5°, with 3 in75 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.
- Record high
- 95°35° (1938)
- Record low
- 1°−17° (1925)
- Heating degree days
- 383
- Cooling degree days
- 16
Keosauqua in November
Highs average 49°10° and lows 29°−2°, with 2.4 in60 mm of precipitation and 1.1 in2.8 cm of snow in a typical November.
- Record high
- 83°28° (1915)
- Record low
- −6°−21° (1991)
- Heating degree days
- 771
- Cooling degree days
- 0
Keosauqua in December
Highs average 37°3° and lows 20°−7°, with 2 in50 mm of precipitation and 6 in14 cm of snow in a typical December.
- Record high
- 74°23° (2021)
- Record low
- −30°−34° (1924)
- Heating degree days
- 1139
- Cooling degree days
- 0