Harrison weather by month
What a typical year looks like in Harrison, Nebraska: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Harrison 9ne, 15 km from Harrison; records cover 2003–2026.
The year at a glance
- Precipitation a year
- 16.3 in414 mm
- Snow a year
- 50 in128 cm
- Last spring freeze
- May 14
- First fall freeze
- Oct 3
- Heating degree days
- 6,908
- Cooling degree days
- 611
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −12°−24° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Harrison in January
Highs average 38°3° and lows 16°−9°, with 0.33 in8.4 mm of precipitation and 7 in17 cm of snow in a typical January.
- Record high
- 67°19° (2015)
- Record low
- −34°−37° (2024)
- Heating degree days
- 1183
- Cooling degree days
- 0
Harrison in February
Highs average 40°5° and lows 16°−9°, with 0.51 in13 mm of precipitation and 9 in22 cm of snow in a typical February.
- Record high
- 74°23° (2017)
- Record low
- −35°−37° (2025)
- Heating degree days
- 1034
- Cooling degree days
- 0
Harrison in March
Highs average 51°10° and lows 24°−5°, with 1 in26 mm of precipitation and 8 in20 cm of snow in a typical March.
- Record high
- 91°33° (2026)
- Record low
- −18°−28° (2019)
- Heating degree days
- 864
- Cooling degree days
- 0
Harrison in April
Highs average 57°14° and lows 31°0°, with 2 in50 mm of precipitation and 8 in21 cm of snow in a typical April.
- Record high
- 89°32° (2012)
- Record low
- 5°−15° (2013)
- Heating degree days
- 622
- Cooling degree days
- 1
Harrison in May
Highs average 66°19° and lows 42°5°, with 3 in76 mm of precipitation and 2.8 in7.1 cm of snow in a typical May.
- Record high
- 94°34° (2009)
- Record low
- 14°−10° (2008)
- Heating degree days
- 358
- Cooling degree days
- 13
Harrison in June
Highs average 78°26° and lows 51°11°, with 2.7 in68 mm of precipitation in a typical June.
- Record high
- 103°39° (2012)
- Record low
- 35°2° (2007)
- Heating degree days
- 96
- Cooling degree days
- 86
Harrison in July
Highs average 86°30° and lows 59°15°, with 2 in50 mm of precipitation in a typical July.
- Record high
- 107°42° (2006)
- Record low
- 44°7° (2008)
- Heating degree days
- 10
- Cooling degree days
- 240
Harrison in August
Highs average 86°30° and lows 56°13°, with 1.2 in29 mm of precipitation in a typical August.
- Record high
- 105°41° (2026)
- Record low
- 31°−1° (2005)
- Heating degree days
- 26
- Cooling degree days
- 206
Harrison in September
Highs average 77°25° and lows 47°8°, with 1.3 in33 mm of precipitation and 0.3 in0.8 cm of snow in a typical September.
- Record high
- 103°39° (2020)
- Record low
- 27°−3° (2020)
- Heating degree days
- 160
- Cooling degree days
- 61
Harrison in OctoberThis month
Highs average 62°17° and lows 34°1°, with 1.4 in35 mm of precipitation and 4 in11 cm of snow in a typical October.
- Record high
- 91°33° (2025)
- Record low
- −16°−27° (2019)
- Heating degree days
- 525
- Cooling degree days
- 4
Harrison in November
Highs average 49°10° and lows 24°−5°, with 0.52 in13 mm of precipitation and 4 in10 cm of snow in a typical November.
- Record high
- 80°27° (2008)
- Record low
- −13°−25° (2014)
- Heating degree days
- 855
- Cooling degree days
- 0
Harrison in December
Highs average 39°4° and lows 15°−9°, with 0.43 in11 mm of precipitation and 7 in18 cm of snow in a typical December.
- Record high
- 75°24° (2025)
- Record low
- −21°−29° (2009)
- Heating degree days
- 1175
- Cooling degree days
- 0