Moore weather by month
What a typical year looks like in Moore, Montana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Lewistown Airport, 20 km from Moore; records cover 1896–2026.
The year at a glance
- Precipitation a year
- 17.2 in436 mm
- Snow a year
- Rare
- Last spring freeze
- May 23
- First fall freeze
- Sep 18
- Heating degree days
- 8,178
- Cooling degree days
- 229
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −16°−27° (heating, 99%) and 94°34° (cooling, 1%).
Month by month
Moore in January
Highs average 34°1° and lows 13°−11°, with 0.58 in15 mm of precipitation in a typical January.
- Record high
- 73°23° (1981)
- Record low
- −46°−43° (1929)
- Heating degree days
- 1282
- Cooling degree days
- 0
Moore in February
Highs average 35°2° and lows 14°−10°, with 0.49 in12 mm of precipitation in a typical February.
- Record high
- 70°21° (1932)
- Record low
- −42°−41° (1936)
- Heating degree days
- 1131
- Cooling degree days
- 0
Moore in March
Highs average 44°7° and lows 21°−6°, with 0.87 in22 mm of precipitation in a typical March.
- Record high
- 77°25° (1910)
- Record low
- −34°−37° (2019)
- Heating degree days
- 997
- Cooling degree days
- 0
Moore in April
Highs average 53°12° and lows 29°−2°, with 1.7 in43 mm of precipitation in a typical April.
- Record high
- 89°32° (1939)
- Record low
- −17°−27° (1936)
- Heating degree days
- 723
- Cooling degree days
- 0
Moore in May
Highs average 63°17° and lows 37°3°, with 2.9 in73 mm of precipitation in a typical May.
- Record high
- 98°37° (1931)
- Record low
- 11°−12° (1929)
- Heating degree days
- 466
- Cooling degree days
- 1
Moore in June
Highs average 71°22° and lows 45°7°, with 3.4 in85 mm of precipitation in a typical June.
- Record high
- 105°41° (1900)
- Record low
- 23°−5° (1969)
- Heating degree days
- 226
- Cooling degree days
- 17
Moore in July
Highs average 82°28° and lows 51°10°, with 1.8 in45 mm of precipitation in a typical July.
- Record high
- 105°41° (1900)
- Record low
- 27°−3° (1903)
- Heating degree days
- 65
- Cooling degree days
- 101
Moore in August
Highs average 81°27° and lows 50°10°, with 1.7 in43 mm of precipitation in a typical August.
- Record high
- 103°39° (1961)
- Record low
- 27°−3° (1910)
- Heating degree days
- 81
- Cooling degree days
- 91
Moore in September
Highs average 70°21° and lows 42°5°, with 1.4 in35 mm of precipitation in a typical September.
- Record high
- 100°38° (2022)
- Record low
- 6°−14° (1926)
- Heating degree days
- 289
- Cooling degree days
- 18
Moore in OctoberThis month
Highs average 56°13° and lows 31°−1°, with 1.3 in32 mm of precipitation in a typical October.
- Record high
- 92°33° (1905)
- Record low
- −10°−23° (1935)
- Heating degree days
- 670
- Cooling degree days
- 1
Moore in November
Highs average 43°6° and lows 21°−6°, with 0.67 in17 mm of precipitation in a typical November.
- Record high
- 81°27° (1905)
- Record low
- −30°−34° (1985)
- Heating degree days
- 986
- Cooling degree days
- 0
Moore in December
Highs average 35°2° and lows 14°−10°, with 0.51 in13 mm of precipitation in a typical December.
- Record high
- 74°23° (1939)
- Record low
- −42°−41° (1983)
- Heating degree days
- 1262
- Cooling degree days
- 0