Alliance weather by month
What a typical year looks like in Alliance, Nebraska: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Alliance Municipal Airport Asos, 8 km from Alliance; records cover 1996–2026.
The year at a glance
- Precipitation a year
- 14.9 in378 mm
- Snow a year
- Rare
- Last spring freeze
- May 18
- First fall freeze
- Sep 21
- Heating degree days
- 7,397
- Cooling degree days
- 561
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −14°−26° (heating, 99%) and 101°38° (cooling, 1%).
Month by month
Alliance in January
Highs average 38°3° and lows 10°−12°, with 0.2 in5.1 mm of precipitation in a typical January.
- Record high
- 71°22° (2015)
- Record low
- −29°−34° (2004)
- Heating degree days
- 1268
- Cooling degree days
- 0
Alliance in February
Highs average 41°5° and lows 12°−11°, with 0.28 in7.1 mm of precipitation in a typical February.
- Record high
- 75°24° (2006)
- Record low
- −36°−38° (2006)
- Heating degree days
- 1082
- Cooling degree days
- 0
Alliance in March
Highs average 51°11° and lows 22°−6°, with 0.6 in15 mm of precipitation in a typical March.
- Record high
- 91°33° (2026)
- Record low
- −22°−30° (2019)
- Heating degree days
- 887
- Cooling degree days
- 0
Alliance in April
Highs average 59°15° and lows 28°−2°, with 1.7 in44 mm of precipitation in a typical April.
- Record high
- 91°33° (2022)
- Record low
- −9°−23° (1997)
- Heating degree days
- 644
- Cooling degree days
- 0
Alliance in May
Highs average 69°20° and lows 39°4°, with 2.7 in67 mm of precipitation in a typical May.
- Record high
- 98°37° (2012)
- Record low
- 14°−10° (2010)
- Heating degree days
- 363
- Cooling degree days
- 9
Alliance in June
Highs average 81°27° and lows 49°10°, with 2.9 in74 mm of precipitation in a typical June.
- Record high
- 108°42° (2012)
- Record low
- 30°−1° (2007)
- Heating degree days
- 90
- Cooling degree days
- 90
Alliance in July
Highs average 89°31° and lows 56°13°, with 2.4 in61 mm of precipitation in a typical July.
- Record high
- 109°43° (2006)
- Record low
- 36°2° (1997)
- Heating degree days
- 11
- Cooling degree days
- 234
Alliance in August
Highs average 87°30° and lows 54°12°, with 1.5 in38 mm of precipitation in a typical August.
- Record high
- 107°42° (2007)
- Record low
- 33°1° (2004)
- Heating degree days
- 26
- Cooling degree days
- 184
Alliance in September
Highs average 77°25° and lows 43°6°, with 1.3 in32 mm of precipitation in a typical September.
- Record high
- 103°39° (2020)
- Record low
- 21°−6° (1999)
- Heating degree days
- 191
- Cooling degree days
- 44
Alliance in OctoberThis month
Highs average 62°17° and lows 29°−2°, with 0.91 in23 mm of precipitation in a typical October.
- Record high
- 92°33° (2005)
- Record low
- −14°−26° (2020)
- Heating degree days
- 605
- Cooling degree days
- 0
Alliance in November
Highs average 49°10° and lows 18°−8°, with 0.24 in6.1 mm of precipitation in a typical November.
- Record high
- 80°27° (1999)
- Record low
- −18°−28° (2004)
- Heating degree days
- 948
- Cooling degree days
- 0
Alliance in December
Highs average 38°4° and lows 9°−13°, with 0.23 in5.8 mm of precipitation in a typical December.
- Record high
- 74°23° (2025)
- Record low
- −30°−34° (1998)
- Heating degree days
- 1282
- Cooling degree days
- 0