Broadus weather by month
What a typical year looks like in Broadus, Montana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Broadus, 0 km from Broadus; records cover 1920–2026.
The year at a glance
- Precipitation a year
- 14.9 in379 mm
- Snow a year
- Rare
- Last spring freeze
- May 15
- First fall freeze
- Sep 24
- Heating degree days
- 6,871
- Cooling degree days
- 779
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 101°38° (cooling, 1%).
Month by month
Broadus in January
Highs average 37°3° and lows 11°−11°, with 0.43 in11 mm of precipitation in a typical January.
- Record high
- 70°21° (2015)
- Record low
- −38°−39° (1949)
- Heating degree days
- 1268
- Cooling degree days
- 0
Broadus in February
Highs average 40°5° and lows 14°−10°, with 0.52 in13 mm of precipitation in a typical February.
- Record high
- 75°24° (1982)
- Record low
- −40° (1971)
- Heating degree days
- 1054
- Cooling degree days
- 0
Broadus in March
Highs average 52°11° and lows 24°−5°, with 0.78 in20 mm of precipitation in a typical March.
- Record high
- 84°29° (2017)
- Record low
- −36°−38° (2019)
- Heating degree days
- 850
- Cooling degree days
- 0
Broadus in April
Highs average 61°16° and lows 33°0°, with 1.8 in45 mm of precipitation in a typical April.
- Record high
- 93°34° (1989)
- Record low
- −5°−21° (1997)
- Heating degree days
- 551
- Cooling degree days
- 1
Broadus in May
Highs average 71°21° and lows 42°6°, with 2.8 in70 mm of precipitation in a typical May.
- Record high
- 101°38° (1980)
- Record low
- 12°−11° (1954)
- Heating degree days
- 287
- Cooling degree days
- 20
Broadus in June
Highs average 81°27° and lows 52°11°, with 2.4 in60 mm of precipitation in a typical June.
- Record high
- 110°43° (2021)
- Record low
- 28°−2° (2006)
- Heating degree days
- 64
- Cooling degree days
- 114
Broadus in July
Highs average 91°33° and lows 59°15°, with 1.7 in44 mm of precipitation in a typical July.
- Record high
- 110°43° (2021)
- Record low
- 35°2° (1971)
- Heating degree days
- 7
- Cooling degree days
- 310
Broadus in August
Highs average 90°32° and lows 56°13°, with 1.3 in33 mm of precipitation in a typical August.
- Record high
- 106°41° (1983)
- Record low
- 28°−2° (1992)
- Heating degree days
- 18
- Cooling degree days
- 261
Broadus in September
Highs average 79°26° and lows 46°8°, with 1.2 in31 mm of precipitation in a typical September.
- Record high
- 106°41° (2022)
- Record low
- 16°−9° (1984)
- Heating degree days
- 146
- Cooling degree days
- 68
Broadus in OctoberThis month
Highs average 63°17° and lows 34°1°, with 1.1 in28 mm of precipitation in a typical October.
- Record high
- 95°35° (1963)
- Record low
- −12°−24° (1991)
- Heating degree days
- 510
- Cooling degree days
- 5
Broadus in November
Highs average 48°9° and lows 22°−5°, with 0.47 in12 mm of precipitation in a typical November.
- Record high
- 80°27° (1999)
- Record low
- −28°−33° (1959)
- Heating degree days
- 895
- Cooling degree days
- 0
Broadus in December
Highs average 38°3° and lows 14°−10°, with 0.48 in12 mm of precipitation in a typical December.
- Record high
- 74°23° (2021)
- Record low
- −47°−44° (1989)
- Heating degree days
- 1221
- Cooling degree days
- 0