Big Piney weather by month
What a typical year looks like in Big Piney, Wyoming: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Big Piney Marbleton Airport, 4 km from Big Piney; records cover 1998–2026.
The year at a glance
- Precipitation a year
- 7.7 in195 mm
- Snow a year
- Rare
- Last spring freeze
- Jun 21
- First fall freeze
- Aug 22
- Heating degree days
- 10,404
- Cooling degree days
- 30
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 90°32° (cooling, 1%).
Month by month
Big Piney in January
Highs average 27°−3° and lows −3°−20°, with 0.44 in11 mm of precipitation in a typical January.
- Record high
- 55°13° (2011)
- Record low
- −39° (2017)
- Heating degree days
- 1652
- Cooling degree days
- 0
Big Piney in February
Highs average 30°−1° and lows 0°−18°, with 0.37 in9.4 mm of precipitation in a typical February.
- Record high
- 57°14° (2015)
- Record low
- −34°−37° (2006)
- Heating degree days
- 1403
- Cooling degree days
- 0
Big Piney in March
Highs average 41°5° and lows 13°−11°, with 0.42 in11 mm of precipitation in a typical March.
- Record high
- 73°23° (2026)
- Record low
- −22°−30° (2022)
- Heating degree days
- 1181
- Cooling degree days
- 0
Big Piney in April
Highs average 52°11° and lows 21°−6°, with 0.69 in18 mm of precipitation in a typical April.
- Record high
- 77°25° (2000)
- Record low
- −7°−22° (2023)
- Heating degree days
- 860
- Cooling degree days
- 0
Big Piney in May
Highs average 62°17° and lows 29°−2°, with 1.2 in31 mm of precipitation in a typical May.
- Record high
- 86°30° (2003)
- Record low
- 7°−14° (2019)
- Heating degree days
- 609
- Cooling degree days
- 0
Big Piney in June
Highs average 72°22° and lows 36°2°, with 1 in26 mm of precipitation in a typical June.
- Record high
- 93°34° (2013)
- Record low
- 16°−9° (2002)
- Heating degree days
- 325
- Cooling degree days
- 1
Big Piney in July
Highs average 82°28° and lows 42°6°, with 0.89 in23 mm of precipitation in a typical July.
- Record high
- 97°36° (2026)
- Record low
- 29°−2° (2015)
- Heating degree days
- 112
- Cooling degree days
- 17
Big Piney in August
Highs average 80°27° and lows 40°5°, with 0.87 in22 mm of precipitation in a typical August.
- Record high
- 103°39° (1998)
- Record low
- 24°−4° (2005)
- Heating degree days
- 164
- Cooling degree days
- 12
Big Piney in September
Highs average 70°21° and lows 32°0°, with 0.64 in16 mm of precipitation in a typical September.
- Record high
- 91°33° (2020)
- Record low
- 15°−9° (1999)
- Heating degree days
- 428
- Cooling degree days
- 0
Big Piney in OctoberThis month
Highs average 55°13° and lows 21°−6°, with 0.62 in16 mm of precipitation in a typical October.
- Record high
- 79°26° (2011)
- Record low
- −26°−32° (2019)
- Heating degree days
- 831
- Cooling degree days
- 0
Big Piney in November
Highs average 39°4° and lows 9°−13°, with 0.26 in6.6 mm of precipitation in a typical November.
- Record high
- 65°18° (2020)
- Record low
- −23°−31° (2010)
- Heating degree days
- 1218
- Cooling degree days
- 0
Big Piney in December
Highs average 28°−2° and lows −2°−19°, with 0.23 in5.8 mm of precipitation in a typical December.
- Record high
- 57°14° (2017)
- Record low
- −35°−37° (2005)
- Heating degree days
- 1621
- Cooling degree days
- 0