Belcourt weather by month
What a typical year looks like in Belcourt, North Dakota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Belcourt Keya Radio, 1 km from Belcourt; records cover 1945–2026.
The year at a glance
- Precipitation a year
- 20.1 in512 mm
- Snow a year
- Rare
- Last spring freeze
- May 22
- First fall freeze
- Sep 19
- Heating degree days
- 10,014
- Cooling degree days
- 280
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −30°−34° (heating, 99%) and 90°32° (cooling, 1%).
Month by month
Belcourt in January
Highs average 18°−8° and lows −5°−21°, with 0.42 in11 mm of precipitation in a typical January.
- Record high
- 56°13° (2012)
- Record low
- −44°−42° (1949)
- Heating degree days
- 1816
- Cooling degree days
- 0
Belcourt in February
Highs average 22°−5° and lows −2°−19°, with 0.48 in12 mm of precipitation in a typical February.
- Record high
- 60°16° (2024)
- Record low
- −50°−46° (1996)
- Heating degree days
- 1540
- Cooling degree days
- 0
Belcourt in March
Highs average 34°1° and lows 12°−11°, with 0.8 in20 mm of precipitation in a typical March.
- Record high
- 74°23° (1946)
- Record low
- −43°−42° (1962)
- Heating degree days
- 1308
- Cooling degree days
- 0
Belcourt in April
Highs average 50°10° and lows 26°−3°, with 0.92 in23 mm of precipitation in a typical April.
- Record high
- 95°35° (1980)
- Record low
- −22°−30° (1975)
- Heating degree days
- 800
- Cooling degree days
- 0
Belcourt in May
Highs average 64°18° and lows 40°4°, with 2.9 in72 mm of precipitation in a typical May.
- Record high
- 95°35° (1980)
- Record low
- 3°−16° (1967)
- Heating degree days
- 419
- Cooling degree days
- 8
Belcourt in June
Highs average 73°23° and lows 50°10°, with 4 in103 mm of precipitation in a typical June.
- Record high
- 105°41° (2021)
- Record low
- 18°−8° (1969)
- Heating degree days
- 144
- Cooling degree days
- 42
Belcourt in July
Highs average 79°26° and lows 55°13°, with 2.8 in70 mm of precipitation in a typical July.
- Record high
- 101°38° (1988)
- Record low
- 32°0° (1985)
- Heating degree days
- 48
- Cooling degree days
- 118
Belcourt in August
Highs average 79°26° and lows 53°12°, with 2.6 in66 mm of precipitation in a typical August.
- Record high
- 101°38° (1949)
- Record low
- 27°−3° (1958)
- Heating degree days
- 70
- Cooling degree days
- 95
Belcourt in September
Highs average 69°20° and lows 43°6°, with 1.7 in44 mm of precipitation in a typical September.
- Record high
- 97°36° (1976)
- Record low
- 12°−11° (1965)
- Heating degree days
- 298
- Cooling degree days
- 16
Belcourt in OctoberThis month
Highs average 53°12° and lows 30°−1°, with 2.3 in57 mm of precipitation in a typical October.
- Record high
- 90°32° (1992)
- Record low
- −11°−24° (1991)
- Heating degree days
- 735
- Cooling degree days
- 1
Belcourt in November
Highs average 35°2° and lows 16°−9°, with 0.84 in21 mm of precipitation in a typical November.
- Record high
- 71°22° (1975)
- Record low
- −37°−38° (1985)
- Heating degree days
- 1192
- Cooling degree days
- 0
Belcourt in December
Highs average 22°−6° and lows 2°−16°, with 0.45 in11 mm of precipitation in a typical December.
- Record high
- 55°13° (2023)
- Record low
- −42°−41° (1967)
- Heating degree days
- 1644
- Cooling degree days
- 0