Dubois weather by month
What a typical year looks like in Dubois, Wyoming: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Dubois, 1 km from Dubois; records cover 1907–2026.
The year at a glance
- Precipitation a year
- 10.9 in276 mm
- Snow a year
- 55 in140 cm
- Last spring freeze
- Jun 18
- First fall freeze
- Aug 31
- Heating degree days
- 8,928
- Cooling degree days
- 31
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −13°−25° (heating, 99%) and 88°31° (cooling, 1%).
Month by month
Dubois in January
Highs average 36°2° and lows 13°−11°, with 0.25 in6.4 mm of precipitation and 5 in12 cm of snow in a typical January.
- Record high
- 63°17° (2015)
- Record low
- −48°−44° (1930)
- Heating degree days
- 1263
- Cooling degree days
- 0
Dubois in February
Highs average 37°3° and lows 13°−11°, with 0.47 in12 mm of precipitation and 8 in21 cm of snow in a typical February.
- Record high
- 68°20° (1938)
- Record low
- −42°−41° (1933)
- Heating degree days
- 1128
- Cooling degree days
- 0
Dubois in March
Highs average 45°7° and lows 19°−7°, with 0.54 in14 mm of precipitation and 8 in21 cm of snow in a typical March.
- Record high
- 75°24° (2026)
- Record low
- −38°−39° (1956)
- Heating degree days
- 1039
- Cooling degree days
- 0
Dubois in April
Highs average 51°10° and lows 24°−4°, with 1.3 in33 mm of precipitation and 10 in25 cm of snow in a typical April.
- Record high
- 83°28° (2012)
- Record low
- −13°−25° (1909)
- Heating degree days
- 832
- Cooling degree days
- 0
Dubois in May
Highs average 60°16° and lows 32°0°, with 2 in50 mm of precipitation and 4 in10 cm of snow in a typical May.
- Record high
- 90°32° (1919)
- Record low
- 3°−16° (1967)
- Heating degree days
- 589
- Cooling degree days
- 0
Dubois in June
Highs average 70°21° and lows 39°4°, with 1.4 in35 mm of precipitation and 0.6 in1.5 cm of snow in a typical June.
- Record high
- 95°35° (1933)
- Record low
- 18°−8° (1925)
- Heating degree days
- 317
- Cooling degree days
- 2
Dubois in July
Highs average 79°26° and lows 44°6°, with 0.97 in25 mm of precipitation in a typical July.
- Record high
- 100°38° (1978)
- Record low
- 22°−6° (1977)
- Heating degree days
- 129
- Cooling degree days
- 19
Dubois in August
Highs average 78°26° and lows 42°5°, with 0.89 in23 mm of precipitation in a typical August.
- Record high
- 95°35° (1978)
- Record low
- 20°−7° (1907)
- Heating degree days
- 165
- Cooling degree days
- 10
Dubois in September
Highs average 69°20° and lows 35°2°, with 1.3 in33 mm of precipitation and 0.8 in2 cm of snow in a typical September.
- Record high
- 94°34° (2022)
- Record low
- 5°−15° (1908)
- Heating degree days
- 396
- Cooling degree days
- 0
Dubois in OctoberThis month
Highs average 56°13° and lows 26°−3°, with 0.88 in22 mm of precipitation and 5 in12 cm of snow in a typical October.
- Record high
- 85°29° (1979)
- Record low
- −17°−27° (1917)
- Heating degree days
- 746
- Cooling degree days
- 0
Dubois in November
Highs average 42°6° and lows 19°−7°, with 0.58 in15 mm of precipitation and 8 in19 cm of snow in a typical November.
- Record high
- 74°23° (1956)
- Record low
- −26°−32° (1916)
- Heating degree days
- 1036
- Cooling degree days
- 0
Dubois in December
Highs average 34°1° and lows 13°−11°, with 0.34 in8.6 mm of precipitation and 7 in17 cm of snow in a typical December.
- Record high
- 66°19° (1939)
- Record low
- −49°−45° (1972)
- Heating degree days
- 1288
- Cooling degree days
- 0