Miles weather by month
What a typical year looks like in Miles, Iowa: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Fulton L&d # 13, 21 km from Miles; records cover 1938–2026.
The year at a glance
- Precipitation a year
- 34.3 in870 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 13
- First fall freeze
- Oct 22
- Heating degree days
- 6,394
- Cooling degree days
- 937
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −9°−23° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Miles in January
Highs average 29°−1° and lows 14°−10°, with 1.4 in36 mm of precipitation in a typical January.
- Record high
- 62°17° (1950)
- Record low
- −33°−36° (2009)
- Heating degree days
- 1350
- Cooling degree days
- 0
Miles in February
Highs average 34°1° and lows 17°−8°, with 1.6 in40 mm of precipitation in a typical February.
- Record high
- 73°23° (2024)
- Record low
- −27°−33° (2019)
- Heating degree days
- 1107
- Cooling degree days
- 0
Miles in March
Highs average 46°8° and lows 28°−2°, with 2.4 in61 mm of precipitation in a typical March.
- Record high
- 83°28° (2012)
- Record low
- −14°−26° (1962)
- Heating degree days
- 871
- Cooling degree days
- 1
Miles in April
Highs average 59°15° and lows 40°4°, with 3.4 in86 mm of precipitation in a typical April.
- Record high
- 91°33° (1980)
- Record low
- 13°−11° (1982)
- Heating degree days
- 468
- Cooling degree days
- 6
Miles in May
Highs average 71°22° and lows 51°11°, with 4 in102 mm of precipitation in a typical May.
- Record high
- 96°36° (2018)
- Record low
- 30°−1° (1944)
- Heating degree days
- 175
- Cooling degree days
- 59
Miles in June
Highs average 81°27° and lows 62°17°, with 4.5 in115 mm of precipitation in a typical June.
- Record high
- 98°37° (1988)
- Record low
- 40°4° (1993)
- Heating degree days
- 25
- Cooling degree days
- 211
Miles in July
Highs average 84°29° and lows 65°18°, with 3.4 in86 mm of precipitation in a typical July.
- Record high
- 102°39° (2005)
- Record low
- 46°8° (2000)
- Heating degree days
- 3
- Cooling degree days
- 300
Miles in August
Highs average 82°28° and lows 63°17°, with 3.4 in87 mm of precipitation in a typical August.
- Record high
- 102°39° (1988)
- Record low
- 40°4° (2000)
- Heating degree days
- 6
- Cooling degree days
- 243
Miles in September
Highs average 76°24° and lows 55°13°, with 3.7 in93 mm of precipitation in a typical September.
- Record high
- 98°37° (2026)
- Record low
- 26°−3° (1999)
- Heating degree days
- 88
- Cooling degree days
- 105
Miles in OctoberThis month
Highs average 63°17° and lows 43°6°, with 2.6 in66 mm of precipitation in a typical October.
- Record high
- 90°32° (1971)
- Record low
- 13°−11° (1952)
- Heating degree days
- 378
- Cooling degree days
- 12
Miles in November
Highs average 48°9° and lows 31°0°, with 2.2 in56 mm of precipitation in a typical November.
- Record high
- 82°28° (2000)
- Record low
- −5°−21° (1977)
- Heating degree days
- 765
- Cooling degree days
- 0
Miles in December
Highs average 35°2° and lows 21°−6°, with 1.7 in43 mm of precipitation in a typical December.
- Record high
- 71°22° (2021)
- Record low
- −22°−30° (2000)
- Heating degree days
- 1158
- Cooling degree days
- 0