Lenox weather by month
What a typical year looks like in Lenox, Iowa: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Corning, 21 km from Lenox; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 35.3 in896 mm
- Snow a year
- 28 in71 cm
- Last spring freeze
- Apr 22
- First fall freeze
- Oct 11
- Heating degree days
- 6,506
- Cooling degree days
- 854
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 94°34° (cooling, 1%).
Month by month
Lenox in January
Highs average 31°0° and lows 12°−11°, with 0.84 in21 mm of precipitation and 8 in21 cm of snow in a typical January.
- Record high
- 68°20° (1981)
- Record low
- −32°−36° (1912)
- Heating degree days
- 1342
- Cooling degree days
- 0
Lenox in February
Highs average 37°3° and lows 16°−9°, with 1.2 in30 mm of precipitation and 6 in16 cm of snow in a typical February.
- Record high
- 79°26° (1930)
- Record low
- −32°−36° (1905)
- Heating degree days
- 1088
- Cooling degree days
- 0
Lenox in March
Highs average 49°10° and lows 27°−3°, with 2.1 in53 mm of precipitation and 3 in8 cm of snow in a typical March.
- Record high
- 92°33° (2026)
- Record low
- −22°−30° (1948)
- Heating degree days
- 842
- Cooling degree days
- 1
Lenox in April
Highs average 61°16° and lows 37°3°, with 3.4 in87 mm of precipitation and 1.2 in3 cm of snow in a typical April.
- Record high
- 93°34° (1910)
- Record low
- 3°−16° (1975)
- Heating degree days
- 486
- Cooling degree days
- 5
Lenox in May
Highs average 71°22° and lows 49°9°, with 5.2 in131 mm of precipitation in a typical May.
- Record high
- 103°39° (1934)
- Record low
- 21°−6° (1908)
- Heating degree days
- 199
- Cooling degree days
- 47
Lenox in June
Highs average 81°27° and lows 59°15°, with 5.2 in131 mm of precipitation in a typical June.
- Record high
- 106°41° (1936)
- Record low
- 34°1° (1915)
- Heating degree days
- 26
- Cooling degree days
- 176
Lenox in July
Highs average 85°29° and lows 64°18°, with 4 in102 mm of precipitation in a typical July.
- Record high
- 115°46° (1936)
- Record low
- 42°6° (1971)
- Heating degree days
- 3
- Cooling degree days
- 288
Lenox in August
Highs average 83°29° and lows 61°16°, with 3.8 in97 mm of precipitation in a typical August.
- Record high
- 112°44° (1936)
- Record low
- 34°1° (1915)
- Heating degree days
- 10
- Cooling degree days
- 235
Lenox in September
Highs average 76°25° and lows 52°11°, with 3.5 in89 mm of precipitation in a typical September.
- Record high
- 104°40° (1939)
- Record low
- 20°−7° (1984)
- Heating degree days
- 110
- Cooling degree days
- 91
Lenox in OctoberThis month
Highs average 64°18° and lows 40°4°, with 2.8 in71 mm of precipitation and 0.4 in1 cm of snow in a typical October.
- Record high
- 94°34° (2024)
- Record low
- −3°−19° (1925)
- Heating degree days
- 414
- Cooling degree days
- 11
Lenox in November
Highs average 49°9° and lows 27°−3°, with 1.9 in47 mm of precipitation and 1.6 in4.1 cm of snow in a typical November.
- Record high
- 82°28° (1968)
- Record low
- −14°−26° (1964)
- Heating degree days
- 807
- Cooling degree days
- 0
Lenox in December
Highs average 36°2° and lows 18°−8°, with 1.4 in36 mm of precipitation and 7 in18 cm of snow in a typical December.
- Record high
- 70°21° (1946)
- Record low
- −32°−36° (1924)
- Heating degree days
- 1179
- Cooling degree days
- 0