Walker weather by month
What a typical year looks like in Walker, Iowa: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Vinton, 25 km from Walker; records cover 1904–2026.
The year at a glance
- Precipitation a year
- 37.9 in963 mm
- Snow a year
- 34 in85 cm
- Last spring freeze
- Apr 29
- First fall freeze
- Oct 6
- Heating degree days
- 7,441
- Cooling degree days
- 540
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 92°33° (cooling, 1%).
Month by month
Walker in January
Highs average 26°−4° and lows 8°−13°, with 1.2 in30 mm of precipitation and 8 in21 cm of snow in a typical January.
- Record high
- 63°17° (2002)
- Record low
- −35°−37° (2019)
- Heating degree days
- 1493
- Cooling degree days
- 0
Walker in February
Highs average 30°−1° and lows 12°−11°, with 1.3 in32 mm of precipitation and 9 in22 cm of snow in a typical February.
- Record high
- 76°24° (2024)
- Record low
- −32°−36° (2019)
- Heating degree days
- 1222
- Cooling degree days
- 0
Walker in March
Highs average 44°7° and lows 24°−5°, with 2.1 in52 mm of precipitation and 4 in11 cm of snow in a typical March.
- Record high
- 88°31° (1986)
- Record low
- −34°−37° (1962)
- Heating degree days
- 958
- Cooling degree days
- 0
Walker in April
Highs average 59°15° and lows 35°2°, with 3.9 in99 mm of precipitation and 1.4 in3.6 cm of snow in a typical April.
- Record high
- 91°33° (1952)
- Record low
- 4°−16° (1982)
- Heating degree days
- 549
- Cooling degree days
- 3
Walker in May
Highs average 69°21° and lows 47°8°, with 5 in127 mm of precipitation in a typical May.
- Record high
- 95°35° (2018)
- Record low
- 22°−6° (2005)
- Heating degree days
- 249
- Cooling degree days
- 32
Walker in June
Highs average 78°26° and lows 57°14°, with 5.6 in143 mm of precipitation in a typical June.
- Record high
- 101°38° (1988)
- Record low
- 35°2° (1945)
- Heating degree days
- 46
- Cooling degree days
- 120
Walker in July
Highs average 81°27° and lows 60°16°, with 4.2 in105 mm of precipitation in a typical July.
- Record high
- 105°41° (1955)
- Record low
- 42°6° (2023)
- Heating degree days
- 11
- Cooling degree days
- 191
Walker in August
Highs average 79°26° and lows 58°14°, with 4.2 in107 mm of precipitation in a typical August.
- Record high
- 104°40° (1988)
- Record low
- 36°2° (1950)
- Heating degree days
- 28
- Cooling degree days
- 137
Walker in September
Highs average 74°23° and lows 50°10°, with 3.7 in93 mm of precipitation in a typical September.
- Record high
- 100°38° (1947)
- Record low
- 22°−6° (1942)
- Heating degree days
- 158
- Cooling degree days
- 53
Walker in OctoberThis month
Highs average 60°16° and lows 37°3°, with 3.2 in82 mm of precipitation and 0.4 in1 cm of snow in a typical October.
- Record high
- 94°34° (1953)
- Record low
- 10°−12° (1952)
- Heating degree days
- 508
- Cooling degree days
- 4
Walker in November
Highs average 44°7° and lows 25°−4°, with 2.1 in52 mm of precipitation and 1.8 in4.6 cm of snow in a typical November.
- Record high
- 80°27° (1944)
- Record low
- −10°−23° (1976)
- Heating degree days
- 909
- Cooling degree days
- 0
Walker in December
Highs average 31°−1° and lows 15°−10°, with 1.6 in40 mm of precipitation and 9 in22 cm of snow in a typical December.
- Record high
- 73°23° (2021)
- Record low
- −27°−33° (1985)
- Heating degree days
- 1310
- Cooling degree days
- 0