Story City weather by month
What a typical year looks like in Story City, Iowa: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Ames 8 Wsw, 24 km from Story City; records cover 1964–2026.
The year at a glance
- Precipitation a year
- 35.9 in912 mm
- Snow a year
- 33 in83 cm
- Last spring freeze
- Apr 20
- First fall freeze
- Oct 12
- Heating degree days
- 6,520
- Cooling degree days
- 893
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −10°−23° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Story City in January
Highs average 29°−2° and lows 12°−11°, with 0.69 in18 mm of precipitation and 8 in20 cm of snow in a typical January.
- Record high
- 67°19° (2002)
- Record low
- −26°−32° (1970)
- Heating degree days
- 1382
- Cooling degree days
- 0
Story City in February
Highs average 34°1° and lows 16°−9°, with 1 in26 mm of precipitation and 10 in25 cm of snow in a typical February.
- Record high
- 76°24° (2024)
- Record low
- −28°−33° (1996)
- Heating degree days
- 1124
- Cooling degree days
- 0
Story City in March
Highs average 48°9° and lows 28°−2°, with 2 in51 mm of precipitation and 4 in11 cm of snow in a typical March.
- Record high
- 90°32° (1986)
- Record low
- −12°−24° (2014)
- Heating degree days
- 847
- Cooling degree days
- 1
Story City in April
Highs average 62°17° and lows 39°4°, with 3.9 in99 mm of precipitation and 1.3 in3.3 cm of snow in a typical April.
- Record high
- 97°36° (1980)
- Record low
- 8°−13° (1975)
- Heating degree days
- 449
- Cooling degree days
- 8
Story City in May
Highs average 73°23° and lows 51°10°, with 5 in127 mm of precipitation in a typical May.
- Record high
- 100°38° (1967)
- Record low
- 27°−3° (1966)
- Heating degree days
- 168
- Cooling degree days
- 63
Story City in June
Highs average 81°27° and lows 61°16°, with 4.9 in124 mm of precipitation in a typical June.
- Record high
- 101°38° (1985)
- Record low
- 38°3° (1969)
- Heating degree days
- 19
- Cooling degree days
- 202
Story City in July
Highs average 84°29° and lows 64°18°, with 4.5 in115 mm of precipitation in a typical July.
- Record high
- 101°38° (1977)
- Record low
- 44°7° (1971)
- Heating degree days
- 3
- Cooling degree days
- 282
Story City in August
Highs average 82°28° and lows 62°17°, with 4.8 in121 mm of precipitation in a typical August.
- Record high
- 102°39° (1988)
- Record low
- 40°4° (1967)
- Heating degree days
- 9
- Cooling degree days
- 220
Story City in September
Highs average 77°25° and lows 54°12°, with 3.5 in88 mm of precipitation in a typical September.
- Record high
- 98°37° (2000)
- Record low
- 29°−2° (1972)
- Heating degree days
- 96
- Cooling degree days
- 103
Story City in OctoberThis month
Highs average 64°18° and lows 41°5°, with 2.6 in67 mm of precipitation and 0.5 in1.3 cm of snow in a typical October.
- Record high
- 95°35° (1997)
- Record low
- 11°−12° (2020)
- Heating degree days
- 393
- Cooling degree days
- 14
Story City in November
Highs average 48°9° and lows 29°−2°, with 1.9 in47 mm of precipitation and 2 in5.1 cm of snow in a typical November.
- Record high
- 80°27° (1999)
- Record low
- −7°−22° (1977)
- Heating degree days
- 809
- Cooling degree days
- 0
Story City in December
Highs average 34°1° and lows 18°−8°, with 1.2 in30 mm of precipitation and 7 in18 cm of snow in a typical December.
- Record high
- 73°23° (2021)
- Record low
- −24°−31° (1989)
- Heating degree days
- 1221
- Cooling degree days
- 0