Berkley weather by month
What a typical year looks like in Berkley, Iowa: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Jefferson, 24 km from Berkley; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 35.3 in897 mm
- Snow a year
- 32 in81 cm
- Last spring freeze
- Apr 24
- First fall freeze
- Oct 6
- Heating degree days
- 7,003
- Cooling degree days
- 768
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 94°34° (cooling, 1%).
Month by month
Berkley in January
Highs average 28°−2° and lows 9°−13°, with 0.96 in24 mm of precipitation and 8 in21 cm of snow in a typical January.
- Record high
- 69°21° (2002)
- Record low
- −37°−38° (1912)
- Heating degree days
- 1446
- Cooling degree days
- 0
Berkley in February
Highs average 33°0° and lows 13°−10°, with 1.3 in33 mm of precipitation and 8 in21 cm of snow in a typical February.
- Record high
- 77°25° (2024)
- Record low
- −27°−33° (1996)
- Heating degree days
- 1179
- Cooling degree days
- 0
Berkley in March
Highs average 46°8° and lows 25°−4°, with 2 in50 mm of precipitation and 5 in12 cm of snow in a typical March.
- Record high
- 92°33° (2026)
- Record low
- −26°−32° (1962)
- Heating degree days
- 911
- Cooling degree days
- 1
Berkley in April
Highs average 60°16° and lows 36°2°, with 3.6 in91 mm of precipitation and 0.9 in2.3 cm of snow in a typical April.
- Record high
- 96°36° (1980)
- Record low
- 6°−14° (1936)
- Heating degree days
- 512
- Cooling degree days
- 5
Berkley in May
Highs average 71°22° and lows 49°9°, with 5 in126 mm of precipitation in a typical May.
- Record high
- 104°40° (1934)
- Record low
- 19°−7° (1907)
- Heating degree days
- 205
- Cooling degree days
- 47
Berkley in June
Highs average 81°27° and lows 59°15°, with 5.2 in132 mm of precipitation in a typical June.
- Record high
- 104°40° (1988)
- Record low
- 32°0° (1928)
- Heating degree days
- 27
- Cooling degree days
- 174
Berkley in July
Highs average 83°29° and lows 63°17°, with 4.4 in111 mm of precipitation in a typical July.
- Record high
- 111°44° (1911)
- Record low
- 40°4° (1895)
- Heating degree days
- 6
- Cooling degree days
- 257
Berkley in August
Highs average 81°27° and lows 60°16°, with 4.2 in107 mm of precipitation in a typical August.
- Record high
- 107°42° (1934)
- Record low
- 32°0° (1893)
- Heating degree days
- 15
- Cooling degree days
- 196
Berkley in September
Highs average 76°24° and lows 51°11°, with 3.1 in80 mm of precipitation in a typical September.
- Record high
- 102°39° (1913)
- Record low
- 22°−6° (1942)
- Heating degree days
- 124
- Cooling degree days
- 77
Berkley in OctoberThis month
Highs average 63°17° and lows 39°4°, with 2.6 in66 mm of precipitation and 0.6 in1.5 cm of snow in a typical October.
- Record high
- 96°36° (1976)
- Record low
- −6°−21° (1925)
- Heating degree days
- 445
- Cooling degree days
- 11
Berkley in November
Highs average 46°8° and lows 26°−4°, with 1.7 in43 mm of precipitation and 1.5 in3.8 cm of snow in a typical November.
- Record high
- 81°27° (1938)
- Record low
- −9°−23° (1991)
- Heating degree days
- 868
- Cooling degree days
- 0
Berkley in December
Highs average 33°0° and lows 16°−9°, with 1.4 in35 mm of precipitation and 8 in19 cm of snow in a typical December.
- Record high
- 71°22° (2021)
- Record low
- −26°−32° (1914)
- Heating degree days
- 1265
- Cooling degree days
- 0