Clarkson weather by month
What a typical year looks like in Clarkson, Nebraska: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Howells, 10 km from Clarkson; records cover 1940–2026.
The year at a glance
- Precipitation a year
- 28.8 in731 mm
- Snow a year
- 24 in60 cm
- Last spring freeze
- Apr 25
- First fall freeze
- Oct 6
- Heating degree days
- 6,319
- Cooling degree days
- 1,003
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −8°−22° (heating, 99%) and 95°35° (cooling, 1%).
Month by month
Clarkson in January
Highs average 33°1° and lows 13°−10°, with 0.47 in12 mm of precipitation and 5 in13 cm of snow in a typical January.
- Record high
- 71°22° (1981)
- Record low
- −21°−29° (2024)
- Heating degree days
- 1291
- Cooling degree days
- 0
Clarkson in February
Highs average 38°3° and lows 16°−9°, with 0.74 in19 mm of precipitation and 7 in17 cm of snow in a typical February.
- Record high
- 75°24° (2024)
- Record low
- −27°−33° (2021)
- Heating degree days
- 1062
- Cooling degree days
- 0
Clarkson in March
Highs average 51°11° and lows 27°−3°, with 1.5 in37 mm of precipitation and 3 in8 cm of snow in a typical March.
- Record high
- 95°35° (2026)
- Record low
- −17°−27° (1998)
- Heating degree days
- 815
- Cooling degree days
- 1
Clarkson in April
Highs average 63°17° and lows 37°3°, with 3.1 in79 mm of precipitation and 1.7 in4.3 cm of snow in a typical April.
- Record high
- 93°34° (1981)
- Record low
- 12°−11° (2023)
- Heating degree days
- 462
- Cooling degree days
- 6
Clarkson in May
Highs average 73°23° and lows 50°10°, with 4.3 in108 mm of precipitation in a typical May.
- Record high
- 102°39° (2013)
- Record low
- 26°−3° (2014)
- Heating degree days
- 180
- Cooling degree days
- 68
Clarkson in June
Highs average 83°28° and lows 61°16°, with 5 in126 mm of precipitation in a typical June.
- Record high
- 102°39° (2022)
- Record low
- 37°3° (1998)
- Heating degree days
- 23
- Cooling degree days
- 230
Clarkson in July
Highs average 87°30° and lows 64°18°, with 3.1 in78 mm of precipitation in a typical July.
- Record high
- 100°38° (1998)
- Record low
- 44°7° (2013)
- Heating degree days
- 5
- Cooling degree days
- 328
Clarkson in August
Highs average 84°29° and lows 62°16°, with 3.6 in92 mm of precipitation in a typical August.
- Record high
- 99°37° (2023)
- Record low
- 39°4° (2017)
- Heating degree days
- 9
- Cooling degree days
- 248
Clarkson in September
Highs average 78°26° and lows 52°11°, with 2.9 in75 mm of precipitation in a typical September.
- Record high
- 99°37° (2000)
- Record low
- 29°−2° (2003)
- Heating degree days
- 97
- Cooling degree days
- 107
Clarkson in OctoberThis month
Highs average 65°19° and lows 40°4°, with 2.2 in56 mm of precipitation and 0.7 in1.8 cm of snow in a typical October.
- Record high
- 97°36° (1997)
- Record low
- 7°−14° (1997)
- Heating degree days
- 401
- Cooling degree days
- 15
Clarkson in November
Highs average 50°10° and lows 27°−3°, with 1 in26 mm of precipitation and 2.3 in5.8 cm of snow in a typical November.
- Record high
- 81°27° (2006)
- Record low
- −4°−20° (2014)
- Heating degree days
- 798
- Cooling degree days
- 0
Clarkson in December
Highs average 37°3° and lows 17°−8°, with 0.84 in21 mm of precipitation and 4 in11 cm of snow in a typical December.
- Record high
- 72°22° (1998)
- Record low
- −18°−28° (2016)
- Heating degree days
- 1176
- Cooling degree days
- 0