Haugan weather by month
What a typical year looks like in Haugan, Montana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Mullan Pass Vor/dme, 21 km from Haugan; records cover 1938–2026.
The year at a glance
- Precipitation a year
- 45.1 in1145 mm
- Snow a year
- Rare
- Last spring freeze
- Jun 15
- First fall freeze
- Sep 15
- Heating degree days
- 9,713
- Cooling degree days
- 102
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −1°−18° (heating, 99%) and 81°27° (cooling, 1%).
Month by month
Haugan in January
Highs average 28°−2° and lows 19°−7°, with 5.9 in150 mm of precipitation in a typical January.
- Record high
- 52°11° (2009)
- Record low
- −25°−32° (2024)
- Heating degree days
- 1291
- Cooling degree days
- 0
Haugan in February
Highs average 28°−2° and lows 19°−7°, with 4.7 in118 mm of precipitation in a typical February.
- Record high
- 53°12° (2026)
- Record low
- −20°−29° (1939)
- Heating degree days
- 1163
- Cooling degree days
- 0
Haugan in March
Highs average 34°1° and lows 22°−5°, with 5 in128 mm of precipitation in a typical March.
- Record high
- 61°16° (1942)
- Record low
- −17°−27° (1955)
- Heating degree days
- 1136
- Cooling degree days
- 0
Haugan in April
Highs average 40°5° and lows 27°−3°, with 3.6 in91 mm of precipitation in a typical April.
- Record high
- 75°24° (1942)
- Record low
- 2°−17° (1951)
- Heating degree days
- 936
- Cooling degree days
- 0
Haugan in May
Highs average 50°10° and lows 36°2°, with 3 in75 mm of precipitation in a typical May.
- Record high
- 80°27° (1942)
- Record low
- 9°−13° (1954)
- Heating degree days
- 683
- Cooling degree days
- 0
Haugan in June
Highs average 58°15° and lows 42°6°, with 3.1 in79 mm of precipitation in a typical June.
- Record high
- 90°32° (2021)
- Record low
- 22°−6° (2008)
- Heating degree days
- 451
- Cooling degree days
- 6
Haugan in July
Highs average 70°21° and lows 52°11°, with 1.1 in28 mm of precipitation in a typical July.
- Record high
- 92°33° (1940)
- Record low
- 28°−2° (1955)
- Heating degree days
- 174
- Cooling degree days
- 46
Haugan in August
Highs average 69°21° and lows 51°11°, with 1.1 in29 mm of precipitation in a typical August.
- Record high
- 93°34° (1942)
- Record low
- 31°−1° (1999)
- Heating degree days
- 182
- Cooling degree days
- 40
Haugan in September
Highs average 59°15° and lows 44°6°, with 1.7 in42 mm of precipitation in a typical September.
- Record high
- 85°29° (1950)
- Record low
- 17°−8° (2000)
- Heating degree days
- 421
- Cooling degree days
- 10
Haugan in OctoberThis month
Highs average 44°7° and lows 32°0°, with 3.9 in99 mm of precipitation in a typical October.
- Record high
- 76°24° (1943)
- Record low
- −3°−19° (2019)
- Heating degree days
- 835
- Cooling degree days
- 0
Haugan in November
Highs average 32°0° and lows 24°−5°, with 6 in153 mm of precipitation in a typical November.
- Record high
- 60°16° (1949)
- Record low
- −18°−28° (1955)
- Heating degree days
- 1119
- Cooling degree days
- 0
Haugan in December
Highs average 27°−3° and lows 18°−8°, with 6 in153 mm of precipitation in a typical December.
- Record high
- 46°8° (1956)
- Record low
- −21°−29° (2022)
- Heating degree days
- 1322
- Cooling degree days
- 0