Hallam weather by month
What a typical year looks like in Hallam, Nebraska: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Crete 4ese, 11 km from Hallam; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 31 in788 mm
- Snow a year
- 25 in64 cm
- Last spring freeze
- Apr 20
- First fall freeze
- Oct 12
- Heating degree days
- 6,060
- Cooling degree days
- 1,038
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −5°−21° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Hallam in January
Highs average 34°1° and lows 14°−10°, with 0.69 in18 mm of precipitation and 6 in16 cm of snow in a typical January.
- Record high
- 73°23° (1990)
- Record low
- −27°−33° (1912)
- Heating degree days
- 1271
- Cooling degree days
- 0
Hallam in February
Highs average 40°4° and lows 18°−8°, with 0.81 in21 mm of precipitation and 7 in17 cm of snow in a typical February.
- Record high
- 84°29° (1972)
- Record low
- −27°−33° (1899)
- Heating degree days
- 1012
- Cooling degree days
- 0
Hallam in March
Highs average 52°11° and lows 28°−2°, with 1.5 in37 mm of precipitation and 3 in8 cm of snow in a typical March.
- Record high
- 97°36° (2026)
- Record low
- −16°−27° (1948)
- Heating degree days
- 784
- Cooling degree days
- 1
Hallam in April
Highs average 63°17° and lows 39°4°, with 2.6 in66 mm of precipitation and 1.3 in3.3 cm of snow in a typical April.
- Record high
- 96°36° (1902)
- Record low
- 6°−14° (1975)
- Heating degree days
- 427
- Cooling degree days
- 9
Hallam in May
Highs average 73°23° and lows 50°10°, with 5.7 in144 mm of precipitation in a typical May.
- Record high
- 104°40° (1934)
- Record low
- 23°−5° (1909)
- Heating degree days
- 169
- Cooling degree days
- 64
Hallam in June
Highs average 83°28° and lows 61°16°, with 4.9 in123 mm of precipitation in a typical June.
- Record high
- 108°42° (1936)
- Record low
- 37°3° (1937)
- Heating degree days
- 19
- Cooling degree days
- 216
Hallam in July
Highs average 87°30° and lows 65°18°, with 3.8 in98 mm of precipitation in a typical July.
- Record high
- 114°46° (1936)
- Record low
- 41°5° (1971)
- Heating degree days
- 3
- Cooling degree days
- 334
Hallam in August
Highs average 85°29° and lows 63°17°, with 3.4 in85 mm of precipitation in a typical August.
- Record high
- 114°46° (1936)
- Record low
- 41°5° (1964)
- Heating degree days
- 5
- Cooling degree days
- 275
Hallam in September
Highs average 78°26° and lows 54°12°, with 3.1 in79 mm of precipitation in a typical September.
- Record high
- 106°41° (1922)
- Record low
- 23°−5° (1899)
- Heating degree days
- 85
- Cooling degree days
- 123
Hallam in OctoberThis month
Highs average 66°19° and lows 41°5°, with 2.3 in59 mm of precipitation and 1 in2.5 cm of snow in a typical October.
- Record high
- 98°37° (1947)
- Record low
- −4°−20° (1925)
- Heating degree days
- 370
- Cooling degree days
- 16
Hallam in November
Highs average 51°11° and lows 28°−2°, with 1.2 in31 mm of precipitation and 2 in5.1 cm of snow in a typical November.
- Record high
- 86°30° (2006)
- Record low
- −7°−22° (1911)
- Heating degree days
- 764
- Cooling degree days
- 0
Hallam in December
Highs average 38°3° and lows 18°−8°, with 1.1 in29 mm of precipitation and 5 in12 cm of snow in a typical December.
- Record high
- 73°23° (1939)
- Record low
- −25°−32° (1989)
- Heating degree days
- 1151
- Cooling degree days
- 0