Perry weather by month
What a typical year looks like in Perry, Iowa: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Perry, 1 km from Perry; records cover 1900–2026.
The year at a glance
- Precipitation a year
- 36.1 in917 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 25
- First fall freeze
- Oct 7
- Heating degree days
- 6,741
- Cooling degree days
- 895
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 95°35° (cooling, 1%).
Month by month
Perry in January
Highs average 30°−1° and lows 10°−12°, with 0.95 in24 mm of precipitation in a typical January.
- Record high
- 67°19° (2002)
- Record low
- −32°−36° (1974)
- Heating degree days
- 1400
- Cooling degree days
- 0
Perry in February
Highs average 34°1° and lows 14°−10°, with 1.1 in29 mm of precipitation in a typical February.
- Record high
- 77°25° (2024)
- Record low
- −33°−36° (1905)
- Heating degree days
- 1146
- Cooling degree days
- 0
Perry in March
Highs average 48°9° and lows 26°−3°, with 2 in50 mm of precipitation in a typical March.
- Record high
- 89°32° (1907)
- Record low
- −30°−34° (1962)
- Heating degree days
- 880
- Cooling degree days
- 1
Perry in April
Highs average 61°16° and lows 37°3°, with 4.1 in104 mm of precipitation in a typical April.
- Record high
- 95°35° (1980)
- Record low
- 6°−14° (1982)
- Heating degree days
- 487
- Cooling degree days
- 6
Perry in May
Highs average 72°22° and lows 49°9°, with 5.2 in131 mm of precipitation in a typical May.
- Record high
- 105°41° (1934)
- Record low
- 20°−7° (1907)
- Heating degree days
- 196
- Cooling degree days
- 54
Perry in June
Highs average 82°28° and lows 60°15°, with 4.9 in124 mm of precipitation in a typical June.
- Record high
- 105°41° (1934)
- Record low
- 34°1° (1946)
- Heating degree days
- 24
- Cooling degree days
- 200
Perry in July
Highs average 85°30° and lows 64°18°, with 4.4 in112 mm of precipitation in a typical July.
- Record high
- 110°43° (1901)
- Record low
- 42°6° (1972)
- Heating degree days
- 4
- Cooling degree days
- 297
Perry in August
Highs average 83°29° and lows 61°16°, with 4.1 in105 mm of precipitation in a typical August.
- Record high
- 111°44° (1934)
- Record low
- 34°1° (1934)
- Heating degree days
- 10
- Cooling degree days
- 229
Perry in September
Highs average 77°25° and lows 52°11°, with 3.4 in87 mm of precipitation in a typical September.
- Record high
- 104°40° (1939)
- Record low
- 22°−6° (1942)
- Heating degree days
- 116
- Cooling degree days
- 95
Perry in OctoberThis month
Highs average 64°18° and lows 39°4°, with 2.7 in69 mm of precipitation in a typical October.
- Record high
- 95°35° (1963)
- Record low
- −8°−22° (1925)
- Heating degree days
- 430
- Cooling degree days
- 13
Perry in November
Highs average 48°9° and lows 27°−3°, with 1.9 in47 mm of precipitation in a typical November.
- Record high
- 83°28° (1968)
- Record low
- −13°−25° (1991)
- Heating degree days
- 831
- Cooling degree days
- 0
Perry in December
Highs average 35°2° and lows 17°−9°, with 1.4 in35 mm of precipitation in a typical December.
- Record high
- 73°23° (2021)
- Record low
- −34°−37° (1919)
- Heating degree days
- 1217
- Cooling degree days
- 0