Knife River weather by month
What a typical year looks like in Knife River, Minnesota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Two Harbors, 12 km from Knife River; records cover 1894–2026.
The year at a glance
- Precipitation a year
- 31.7 in806 mm
- Snow a year
- 61 in155 cm
- Last spring freeze
- May 11
- First fall freeze
- Oct 3
- Heating degree days
- 8,776
- Cooling degree days
- 160
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −15°−26° (heating, 99%) and 87°31° (cooling, 1%).
Month by month
Knife River in January
Highs average 24°−5° and lows 7°−14°, with 1 in26 mm of precipitation and 12 in31 cm of snow in a typical January.
- Record high
- 57°14° (1900)
- Record low
- −36°−38° (1935)
- Heating degree days
- 1533
- Cooling degree days
- 0
Knife River in February
Highs average 28°−2° and lows 10°−12°, with 1.2 in29 mm of precipitation and 14 in35 cm of snow in a typical February.
- Record high
- 59°15° (1898)
- Record low
- −36°−38° (1899)
- Heating degree days
- 1289
- Cooling degree days
- 0
Knife River in March
Highs average 37°3° and lows 21°−6°, with 1.5 in38 mm of precipitation and 9 in23 cm of snow in a typical March.
- Record high
- 75°24° (1946)
- Record low
- −28°−33° (1962)
- Heating degree days
- 1125
- Cooling degree days
- 0
Knife River in April
Highs average 48°9° and lows 31°−1°, with 2.7 in67 mm of precipitation and 4 in11 cm of snow in a typical April.
- Record high
- 88°31° (1965)
- Record low
- −15°−26° (1975)
- Heating degree days
- 776
- Cooling degree days
- 0
Knife River in May
Highs average 58°15° and lows 39°4°, with 3.3 in84 mm of precipitation in a typical May.
- Record high
- 94°34° (1986)
- Record low
- 9°−13° (1909)
- Heating degree days
- 516
- Cooling degree days
- 0
Knife River in June
Highs average 67°19° and lows 46°8°, with 4.2 in107 mm of precipitation in a typical June.
- Record high
- 98°37° (1961)
- Record low
- 29°−2° (1913)
- Heating degree days
- 268
- Cooling degree days
- 9
Knife River in July
Highs average 75°24° and lows 55°13°, with 4.1 in103 mm of precipitation in a typical July.
- Record high
- 99°37° (1901)
- Record low
- 37°3° (1907)
- Heating degree days
- 78
- Cooling degree days
- 72
Knife River in August
Highs average 75°24° and lows 56°13°, with 3.5 in88 mm of precipitation in a typical August.
- Record high
- 99°37° (1961)
- Record low
- 37°3° (1905)
- Heating degree days
- 60
- Cooling degree days
- 67
Knife River in September
Highs average 67°19° and lows 49°9°, with 3.5 in90 mm of precipitation in a typical September.
- Record high
- 92°33° (1906)
- Record low
- 23°−5° (1904)
- Heating degree days
- 228
- Cooling degree days
- 12
Knife River in OctoberThis month
Highs average 54°12° and lows 38°3°, with 3 in77 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.
- Record high
- 86°30° (1992)
- Record low
- 0°−18° (1976)
- Heating degree days
- 592
- Cooling degree days
- 0
Knife River in November
Highs average 40°4° and lows 26°−3°, with 2.2 in55 mm of precipitation and 6 in15 cm of snow in a typical November.
- Record high
- 70°21° (1904)
- Record low
- −18°−28° (1896)
- Heating degree days
- 958
- Cooling degree days
- 0
Knife River in December
Highs average 29°−2° and lows 14°−10°, with 1.6 in40 mm of precipitation and 16 in39 cm of snow in a typical December.
- Record high
- 62°17° (1899)
- Record low
- −33°−36° (1917)
- Heating degree days
- 1353
- Cooling degree days
- 0