Columbia Falls weather by month
What a typical year looks like in Columbia Falls, Montana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Kalispell Glacier Airport, 9 km from Columbia Falls; records cover 1896–2026.
The year at a glance
- Precipitation a year
- 16.8 in426 mm
- Snow a year
- 54 in138 cm
- Last spring freeze
- May 25
- First fall freeze
- Sep 11
- Heating degree days
- 8,108
- Cooling degree days
- 143
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −9°−23° (heating, 99%) and 94°34° (cooling, 1%).
Month by month
Columbia Falls in January
Highs average 31°−1° and lows 16°−9°, with 1.4 in36 mm of precipitation and 14 in35 cm of snow in a typical January.
- Record high
- 56°13° (1934)
- Record low
- −38°−39° (1950)
- Heating degree days
- 1282
- Cooling degree days
- 0
Columbia Falls in February
Highs average 36°2° and lows 18°−8°, with 0.96 in24 mm of precipitation and 8 in21 cm of snow in a typical February.
- Record high
- 64°18° (1995)
- Record low
- −36°−38° (1950)
- Heating degree days
- 1070
- Cooling degree days
- 0
Columbia Falls in March
Highs average 45°7° and lows 24°−4°, with 1.1 in28 mm of precipitation and 5 in14 cm of snow in a typical March.
- Record high
- 73°23° (2004)
- Record low
- −29°−34° (1960)
- Heating degree days
- 944
- Cooling degree days
- 0
Columbia Falls in April
Highs average 55°13° and lows 31°−1°, with 1.3 in34 mm of precipitation and 1.2 in3 cm of snow in a typical April.
- Record high
- 85°29° (1936)
- Record low
- −8°−22° (1936)
- Heating degree days
- 668
- Cooling degree days
- 0
Columbia Falls in May
Highs average 65°18° and lows 38°3°, with 1.8 in47 mm of precipitation and 0.2 in0.5 cm of snow in a typical May.
- Record high
- 95°35° (1936)
- Record low
- 17°−8° (1899)
- Heating degree days
- 417
- Cooling degree days
- 1
Columbia Falls in June
Highs average 71°22° and lows 44°7°, with 2.8 in72 mm of precipitation and 0.3 in0.8 cm of snow in a typical June.
- Record high
- 102°39° (2015)
- Record low
- 26°−3° (1999)
- Heating degree days
- 234
- Cooling degree days
- 12
Columbia Falls in July
Highs average 82°28° and lows 48°9°, with 1.1 in29 mm of precipitation in a typical July.
- Record high
- 104°40° (1960)
- Record low
- 30°−1° (1999)
- Heating degree days
- 75
- Cooling degree days
- 72
Columbia Falls in August
Highs average 82°28° and lows 46°8°, with 0.76 in19 mm of precipitation in a typical August.
- Record high
- 105°41° (1961)
- Record low
- 30°−1° (1910)
- Heating degree days
- 95
- Cooling degree days
- 54
Columbia Falls in September
Highs average 70°21° and lows 38°3°, with 1.2 in30 mm of precipitation in a typical September.
- Record high
- 99°37° (1967)
- Record low
- 7°−14° (1926)
- Heating degree days
- 324
- Cooling degree days
- 4
Columbia Falls in OctoberThis month
Highs average 54°12° and lows 29°−2°, with 1.4 in34 mm of precipitation and 1.1 in2.8 cm of snow in a typical October.
- Record high
- 86°30° (1992)
- Record low
- −4°−20° (1935)
- Heating degree days
- 725
- Cooling degree days
- 0
Columbia Falls in November
Highs average 39°4° and lows 24°−5°, with 1.4 in34 mm of precipitation and 8 in20 cm of snow in a typical November.
- Record high
- 69°21° (1999)
- Record low
- −28°−33° (1959)
- Heating degree days
- 1006
- Cooling degree days
- 0
Columbia Falls in December
Highs average 31°−1° and lows 17°−8°, with 1.5 in38 mm of precipitation and 16 in40 cm of snow in a typical December.
- Record high
- 62°17° (2021)
- Record low
- −35°−37° (1968)
- Heating degree days
- 1268
- Cooling degree days
- 0