Nichols weather by month
What a typical year looks like in Nichols, Iowa: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Iowa City, 22 km from Nichols; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 38.5 in977 mm
- Snow a year
- 28 in70 cm
- Last spring freeze
- Apr 17
- First fall freeze
- Oct 13
- Heating degree days
- 6,645
- Cooling degree days
- 798
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −7°−22° (heating, 99%) and 95°35° (cooling, 1%).
Month by month
Nichols in January
Highs average 29°−1° and lows 12°−11°, with 1.1 in29 mm of precipitation and 8 in19 cm of snow in a typical January.
- Record high
- 68°20° (1989)
- Record low
- −32°−36° (2019)
- Heating degree days
- 1381
- Cooling degree days
- 0
Nichols in February
Highs average 34°1° and lows 16°−9°, with 1.4 in36 mm of precipitation and 8 in19 cm of snow in a typical February.
- Record high
- 77°25° (2024)
- Record low
- −32°−36° (1905)
- Heating degree days
- 1123
- Cooling degree days
- 0
Nichols in March
Highs average 48°9° and lows 27°−3°, with 2.3 in59 mm of precipitation and 3 in8 cm of snow in a typical March.
- Record high
- 90°32° (2026)
- Record low
- −17°−27° (1962)
- Heating degree days
- 861
- Cooling degree days
- 1
Nichols in April
Highs average 62°16° and lows 37°3°, with 3.9 in98 mm of precipitation and 0.5 in1.3 cm of snow in a typical April.
- Record high
- 93°34° (1930)
- Record low
- 10°−12° (1982)
- Heating degree days
- 475
- Cooling degree days
- 6
Nichols in May
Highs average 72°22° and lows 49°9°, with 5.1 in128 mm of precipitation in a typical May.
- Record high
- 105°41° (1934)
- Record low
- 24°−4° (2005)
- Heating degree days
- 190
- Cooling degree days
- 52
Nichols in June
Highs average 81°27° and lows 59°15°, with 5.5 in139 mm of precipitation in a typical June.
- Record high
- 105°41° (1934)
- Record low
- 37°3° (1910)
- Heating degree days
- 24
- Cooling degree days
- 174
Nichols in July
Highs average 84°29° and lows 63°17°, with 4.6 in116 mm of precipitation in a typical July.
- Record high
- 109°43° (1936)
- Record low
- 40°4° (1906)
- Heating degree days
- 4
- Cooling degree days
- 266
Nichols in August
Highs average 82°28° and lows 60°16°, with 4.3 in110 mm of precipitation in a typical August.
- Record high
- 108°42° (1936)
- Record low
- 38°3° (1915)
- Heating degree days
- 13
- Cooling degree days
- 208
Nichols in September
Highs average 76°25° and lows 52°11°, with 3.5 in88 mm of precipitation in a typical September.
- Record high
- 101°38° (1899)
- Record low
- 20°−7° (1899)
- Heating degree days
- 113
- Cooling degree days
- 81
Nichols in OctoberThis month
Highs average 63°17° and lows 40°4°, with 3 in76 mm of precipitation and 0.4 in1 cm of snow in a typical October.
- Record high
- 94°34° (1950)
- Record low
- 4°−16° (1925)
- Heating degree days
- 427
- Cooling degree days
- 10
Nichols in November
Highs average 48°9° and lows 28°−2°, with 2.3 in58 mm of precipitation and 1.1 in2.8 cm of snow in a typical November.
- Record high
- 81°27° (1897)
- Record low
- −6°−21° (1898)
- Heating degree days
- 824
- Cooling degree days
- 0
Nichols in December
Highs average 34°1° and lows 18°−8°, with 1.6 in41 mm of precipitation and 7 in18 cm of snow in a typical December.
- Record high
- 74°23° (2021)
- Record low
- −27°−33° (1924)
- Heating degree days
- 1210
- Cooling degree days
- 0