Walcott weather by month
What a typical year looks like in Walcott, Iowa: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Rock Island L&d 15, 20 km from Walcott; records cover 1985–2026.
The year at a glance
- Precipitation a year
- 38.8 in986 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 10
- First fall freeze
- Oct 27
- Heating degree days
- 6,242
- Cooling degree days
- 934
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −3°−19° (heating, 99%) and 94°34° (cooling, 1%).
Month by month
Walcott in January
Highs average 31°−1° and lows 13°−10°, with 1.5 in38 mm of precipitation in a typical January.
- Record high
- 69°21° (1989)
- Record low
- −32°−36° (2019)
- Heating degree days
- 1327
- Cooling degree days
- 0
Walcott in February
Highs average 36°2° and lows 18°−8°, with 1.8 in45 mm of precipitation in a typical February.
- Record high
- 76°24° (2024)
- Record low
- −22°−30° (1996)
- Heating degree days
- 1061
- Cooling degree days
- 0
Walcott in March
Highs average 48°9° and lows 28°−2°, with 2.6 in67 mm of precipitation in a typical March.
- Record high
- 88°31° (1986)
- Record low
- −8°−22° (2014)
- Heating degree days
- 832
- Cooling degree days
- 1
Walcott in April
Highs average 61°16° and lows 39°4°, with 3.8 in97 mm of precipitation in a typical April.
- Record high
- 93°34° (1986)
- Record low
- 17°−8° (2018)
- Heating degree days
- 447
- Cooling degree days
- 7
Walcott in May
Highs average 72°22° and lows 51°10°, with 5.1 in130 mm of precipitation in a typical May.
- Record high
- 96°36° (2022)
- Record low
- 29°−2° (2026)
- Heating degree days
- 168
- Cooling degree days
- 62
Walcott in June
Highs average 81°27° and lows 61°16°, with 5.2 in133 mm of precipitation in a typical June.
- Record high
- 100°38° (1988)
- Record low
- 41°5° (2012)
- Heating degree days
- 20
- Cooling degree days
- 203
Walcott in July
Highs average 84°29° and lows 65°18°, with 4.2 in107 mm of precipitation in a typical July.
- Record high
- 103°39° (2006)
- Record low
- 52°11° (2016)
- Heating degree days
- 2
- Cooling degree days
- 293
Walcott in August
Highs average 82°28° and lows 63°17°, with 4 in102 mm of precipitation in a typical August.
- Record high
- 100°38° (1988)
- Record low
- 44°7° (1992)
- Heating degree days
- 6
- Cooling degree days
- 246
Walcott in September
Highs average 77°25° and lows 55°13°, with 3.3 in84 mm of precipitation in a typical September.
- Record high
- 98°37° (1985)
- Record low
- 35°2° (1991)
- Heating degree days
- 83
- Cooling degree days
- 108
Walcott in OctoberThis month
Highs average 64°18° and lows 43°6°, with 2.9 in73 mm of precipitation in a typical October.
- Record high
- 95°35° (1997)
- Record low
- 22°−6° (1988)
- Heating degree days
- 377
- Cooling degree days
- 14
Walcott in November
Highs average 49°9° and lows 30°−1°, with 2.3 in58 mm of precipitation in a typical November.
- Record high
- 80°27° (2000)
- Record low
- 7°−14° (2014)
- Heating degree days
- 767
- Cooling degree days
- 0
Walcott in December
Highs average 36°2° and lows 20°−7°, with 2 in51 mm of precipitation in a typical December.
- Record high
- 72°22° (1998)
- Record low
- −18°−28° (1989)
- Heating degree days
- 1152
- Cooling degree days
- 0