Whitlash weather by month
What a typical year looks like in Whitlash, Montana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Goldbutte 7 N, 13 km from Whitlash; records cover 1907–2026.
The year at a glance
- Precipitation a year
- 14.8 in376 mm
- Snow a year
- 86 in218 cm
- Last spring freeze
- Jun 5
- First fall freeze
- Sep 2
- Heating degree days
- 8,628
- Cooling degree days
- 146
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −22°−30° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Whitlash in January
Highs average 33°1° and lows 10°−12°, with 0.45 in11 mm of precipitation and 12 in31 cm of snow in a typical January.
- Record high
- 66°19° (2003)
- Record low
- −47°−44° (2024)
- Heating degree days
- 1353
- Cooling degree days
- 0
Whitlash in February
Highs average 35°2° and lows 11°−12°, with 0.47 in12 mm of precipitation and 13 in33 cm of snow in a typical February.
- Record high
- 73°23° (1992)
- Record low
- −41° (1936)
- Heating degree days
- 1175
- Cooling degree days
- 0
Whitlash in March
Highs average 44°7° and lows 19°−7°, with 0.63 in16 mm of precipitation and 15 in38 cm of snow in a typical March.
- Record high
- 78°26° (2004)
- Record low
- −37°−38° (2019)
- Heating degree days
- 1048
- Cooling degree days
- 0
Whitlash in April
Highs average 55°13° and lows 27°−3°, with 1.3 in33 mm of precipitation and 11 in27 cm of snow in a typical April.
- Record high
- 90°32° (1910)
- Record low
- −15°−26° (1975)
- Heating degree days
- 717
- Cooling degree days
- 0
Whitlash in May
Highs average 64°18° and lows 36°2°, with 1.9 in48 mm of precipitation and 4 in9 cm of snow in a typical May.
- Record high
- 93°34° (1980)
- Record low
- 8°−13° (1967)
- Heating degree days
- 466
- Cooling degree days
- 3
Whitlash in June
Highs average 71°22° and lows 43°6°, with 3.5 in90 mm of precipitation and 0.3 in0.8 cm of snow in a typical June.
- Record high
- 104°40° (1910)
- Record low
- 22°−6° (2009)
- Heating degree days
- 251
- Cooling degree days
- 10
Whitlash in July
Highs average 80°27° and lows 47°9°, with 1.3 in32 mm of precipitation in a typical July.
- Record high
- 105°41° (2001)
- Record low
- 24°−4° (1907)
- Heating degree days
- 100
- Cooling degree days
- 65
Whitlash in August
Highs average 80°27° and lows 46°8°, with 1.5 in39 mm of precipitation and 0.4 in1 cm of snow in a typical August.
- Record high
- 105°41° (1961)
- Record low
- 25°−4° (1907)
- Heating degree days
- 121
- Cooling degree days
- 58
Whitlash in September
Highs average 70°21° and lows 39°4°, with 1.4 in36 mm of precipitation and 1.4 in3.6 cm of snow in a typical September.
- Record high
- 97°36° (1998)
- Record low
- 9°−13° (1970)
- Heating degree days
- 328
- Cooling degree days
- 10
Whitlash in OctoberThis month
Highs average 55°13° and lows 29°−2°, with 1.2 in30 mm of precipitation and 5 in13 cm of snow in a typical October.
- Record high
- 88°31° (1943)
- Record low
- −19°−28° (1991)
- Heating degree days
- 709
- Cooling degree days
- 0
Whitlash in November
Highs average 42°6° and lows 19°−7°, with 0.64 in16 mm of precipitation and 11 in27 cm of snow in a typical November.
- Record high
- 74°23° (1949)
- Record low
- −32°−36° (1955)
- Heating degree days
- 1038
- Cooling degree days
- 0
Whitlash in December
Highs average 34°1° and lows 11°−12°, with 0.5 in13 mm of precipitation and 13 in33 cm of snow in a typical December.
- Record high
- 67°19° (1988)
- Record low
- −46°−43° (1968)
- Heating degree days
- 1322
- Cooling degree days
- 0