Harrisburg weather by month
What a typical year looks like in Harrisburg, Nebraska: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Harrisburg 12wnw, 21 km from Harrisburg; records cover 1961–2026.
The year at a glance
- Precipitation a year
- 16.5 in420 mm
- Snow a year
- 47 in118 cm
- Last spring freeze
- May 27
- First fall freeze
- Sep 16
- Heating degree days
- 6,937
- Cooling degree days
- 540
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −11°−24° (heating, 99%) and 99°37° (cooling, 1%).
Month by month
Harrisburg in January
Highs average 41°5° and lows 14°−10°, with 0.31 in7.9 mm of precipitation and 6 in14 cm of snow in a typical January.
- Record high
- 74°23° (2015)
- Record low
- −35°−37° (1963)
- Heating degree days
- 1161
- Cooling degree days
- 0
Harrisburg in February
Highs average 43°6° and lows 15°−9°, with 0.52 in13 mm of precipitation and 8 in21 cm of snow in a typical February.
- Record high
- 78°26° (1962)
- Record low
- −31°−35° (1982)
- Heating degree days
- 1006
- Cooling degree days
- 0
Harrisburg in March
Highs average 53°11° and lows 22°−5°, with 1 in26 mm of precipitation and 7 in18 cm of snow in a typical March.
- Record high
- 91°33° (2026)
- Record low
- −23°−31° (1989)
- Heating degree days
- 857
- Cooling degree days
- 0
Harrisburg in April
Highs average 60°15° and lows 29°−2°, with 1.8 in46 mm of precipitation and 6 in15 cm of snow in a typical April.
- Record high
- 89°32° (1989)
- Record low
- −16°−27° (1975)
- Heating degree days
- 623
- Cooling degree days
- 0
Harrisburg in May
Highs average 69°20° and lows 39°4°, with 2.7 in69 mm of precipitation and 1.6 in4.1 cm of snow in a typical May.
- Record high
- 97°36° (2003)
- Record low
- 12°−11° (2010)
- Heating degree days
- 353
- Cooling degree days
- 11
Harrisburg in June
Highs average 81°27° and lows 48°9°, with 2.4 in61 mm of precipitation in a typical June.
- Record high
- 105°41° (2012)
- Record low
- 26°−3° (1969)
- Heating degree days
- 94
- Cooling degree days
- 82
Harrisburg in July
Highs average 88°31° and lows 55°13°, with 1.9 in48 mm of precipitation in a typical July.
- Record high
- 105°41° (2006)
- Record low
- 35°2° (1968)
- Heating degree days
- 14
- Cooling degree days
- 224
Harrisburg in August
Highs average 87°31° and lows 53°12°, with 1.8 in46 mm of precipitation in a typical August.
- Record high
- 106°41° (2026)
- Record low
- 32°0° (2004)
- Heating degree days
- 28
- Cooling degree days
- 177
Harrisburg in September
Highs average 78°26° and lows 43°6°, with 1.5 in37 mm of precipitation and 0.6 in1.5 cm of snow in a typical September.
- Record high
- 101°38° (2021)
- Record low
- 13°−11° (1983)
- Heating degree days
- 186
- Cooling degree days
- 45
Harrisburg in OctoberThis month
Highs average 63°17° and lows 30°−1°, with 1.5 in37 mm of precipitation and 4 in11 cm of snow in a typical October.
- Record high
- 90°32° (1967)
- Record low
- −10°−23° (1997)
- Heating degree days
- 570
- Cooling degree days
- 1
Harrisburg in November
Highs average 51°11° and lows 20°−6°, with 0.66 in17 mm of precipitation and 5 in13 cm of snow in a typical November.
- Record high
- 81°27° (1999)
- Record low
- −23°−31° (1976)
- Heating degree days
- 878
- Cooling degree days
- 0
Harrisburg in December
Highs average 41°5° and lows 13°−10°, with 0.49 in12 mm of precipitation and 8 in21 cm of snow in a typical December.
- Record high
- 76°24° (2021)
- Record low
- −44°−42° (1989)
- Heating degree days
- 1167
- Cooling degree days
- 0