Grand Island weather by month
What a typical year looks like in Grand Island, Nebraska: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Grand Island Central NE Regional Airport, 6 km from Grand Island; records cover 1895–2026.
The year at a glance
- Precipitation a year
- 26.6 in676 mm
- Snow a year
- 28 in70 cm
- Last spring freeze
- Apr 27
- First fall freeze
- Oct 11
- Heating degree days
- 5,923
- Cooling degree days
- 1,154
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −6°−21° (heating, 99%) and 99°37° (cooling, 1%).
Month by month
Grand Island in January
Highs average 36°2° and lows 16°−9°, with 0.61 in15 mm of precipitation and 7 in17 cm of snow in a typical January.
- Record high
- 76°24° (1990)
- Record low
- −29°−34° (1912)
- Heating degree days
- 1214
- Cooling degree days
- 0
Grand Island in February
Highs average 40°5° and lows 19°−7°, with 0.74 in19 mm of precipitation and 7 in19 cm of snow in a typical February.
- Record high
- 80°27° (1995)
- Record low
- −34°−37° (1899)
- Heating degree days
- 987
- Cooling degree days
- 0
Grand Island in March
Highs average 53°11° and lows 29°−2°, with 1.4 in35 mm of precipitation and 4 in10 cm of snow in a typical March.
- Record high
- 98°37° (2026)
- Record low
- −21°−29° (1960)
- Heating degree days
- 754
- Cooling degree days
- 1
Grand Island in April
Highs average 63°17° and lows 39°4°, with 2.5 in64 mm of precipitation and 1.6 in4.1 cm of snow in a typical April.
- Record high
- 98°37° (1902)
- Record low
- −1°−18° (1936)
- Heating degree days
- 431
- Cooling degree days
- 10
Grand Island in May
Highs average 73°23° and lows 51°10°, with 4.7 in119 mm of precipitation in a typical May.
- Record high
- 104°40° (1934)
- Record low
- 22°−6° (1909)
- Heating degree days
- 167
- Cooling degree days
- 72
Grand Island in June
Highs average 84°29° and lows 61°16°, with 4 in102 mm of precipitation in a typical June.
- Record high
- 108°42° (1933)
- Record low
- 36°2° (1902)
- Heating degree days
- 17
- Cooling degree days
- 249
Grand Island in July
Highs average 88°31° and lows 66°19°, with 3.5 in89 mm of precipitation in a typical July.
- Record high
- 117°47° (1936)
- Record low
- 42°6° (1971)
- Heating degree days
- 1
- Cooling degree days
- 372
Grand Island in August
Highs average 86°30° and lows 64°18°, with 3.2 in81 mm of precipitation in a typical August.
- Record high
- 112°44° (1934)
- Record low
- 38°3° (1928)
- Heating degree days
- 4
- Cooling degree days
- 304
Grand Island in September
Highs average 79°26° and lows 54°12°, with 2 in51 mm of precipitation and 0.1 in0.3 cm of snow in a typical September.
- Record high
- 109°43° (1931)
- Record low
- 20°−7° (1920)
- Heating degree days
- 83
- Cooling degree days
- 131
Grand Island in OctoberThis month
Highs average 66°19° and lows 41°5°, with 2 in51 mm of precipitation and 1.1 in2.8 cm of snow in a typical October.
- Record high
- 97°36° (2015)
- Record low
- 6°−14° (1925)
- Heating degree days
- 384
- Cooling degree days
- 15
Grand Island in November
Highs average 51°11° and lows 28°−2°, with 1.1 in28 mm of precipitation and 2.3 in5.8 cm of snow in a typical November.
- Record high
- 88°31° (1915)
- Record low
- −11°−24° (1976)
- Heating degree days
- 762
- Cooling degree days
- 0
Grand Island in December
Highs average 39°4° and lows 19°−7°, with 0.84 in21 mm of precipitation and 5 in12 cm of snow in a typical December.
- Record high
- 80°27° (1939)
- Record low
- −26°−32° (1989)
- Heating degree days
- 1119
- Cooling degree days
- 0