Wamsutter weather by month
What a typical year looks like in Wamsutter, Wyoming: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Wamsutter, 0 km from Wamsutter; records cover 1897–2026.
The year at a glance
- Precipitation a year
- 8.5 in215 mm
- Snow a year
- 51 in129 cm
- Last spring freeze
- Jun 4
- First fall freeze
- Sep 10
- Heating degree days
- 8,457
- Cooling degree days
- 203
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 91°33° (cooling, 1%).
Month by month
Wamsutter in January
Highs average 30°−1° and lows 9°−13°, with 0.43 in11 mm of precipitation and 8 in20 cm of snow in a typical January.
- Record high
- 52°11° (1900)
- Record low
- −40° (1979)
- Heating degree days
- 1424
- Cooling degree days
- 0
Wamsutter in February
Highs average 33°1° and lows 11°−11°, with 0.4 in10 mm of precipitation and 8 in19 cm of snow in a typical February.
- Record high
- 59°15° (1913)
- Record low
- −40° (2011)
- Heating degree days
- 1194
- Cooling degree days
- 0
Wamsutter in March
Highs average 45°7° and lows 21°−6°, with 0.48 in12 mm of precipitation and 7 in18 cm of snow in a typical March.
- Record high
- 79°26° (2026)
- Record low
- −26°−32° (2022)
- Heating degree days
- 991
- Cooling degree days
- 0
Wamsutter in April
Highs average 55°13° and lows 27°−3°, with 0.76 in19 mm of precipitation and 6 in15 cm of snow in a typical April.
- Record high
- 78°26° (2012)
- Record low
- −8°−22° (1975)
- Heating degree days
- 732
- Cooling degree days
- 0
Wamsutter in May
Highs average 65°18° and lows 35°2°, with 1.4 in34 mm of precipitation and 2.5 in6.4 cm of snow in a typical May.
- Record high
- 90°32° (1897)
- Record low
- 10°−12° (1967)
- Heating degree days
- 467
- Cooling degree days
- 0
Wamsutter in June
Highs average 77°25° and lows 43°6°, with 0.81 in21 mm of precipitation and 0.1 in0.3 cm of snow in a typical June.
- Record high
- 104°40° (1897)
- Record low
- 19°−7° (1951)
- Heating degree days
- 174
- Cooling degree days
- 20
Wamsutter in July
Highs average 85°30° and lows 50°10°, with 0.67 in17 mm of precipitation in a typical July.
- Record high
- 105°41° (1897)
- Record low
- 24°−4° (1933)
- Heating degree days
- 29
- Cooling degree days
- 110
Wamsutter in August
Highs average 83°28° and lows 48°9°, with 0.72 in18 mm of precipitation in a typical August.
- Record high
- 100°38° (1898)
- Record low
- 23°−5° (1976)
- Heating degree days
- 57
- Cooling degree days
- 68
Wamsutter in September
Highs average 73°23° and lows 39°4°, with 0.9 in23 mm of precipitation and 0.7 in1.8 cm of snow in a typical September.
- Record high
- 91°33° (2022)
- Record low
- 5°−15° (1965)
- Heating degree days
- 276
- Cooling degree days
- 5
Wamsutter in OctoberThis month
Highs average 58°15° and lows 29°−2°, with 0.76 in19 mm of precipitation and 3 in8 cm of snow in a typical October.
- Record high
- 87°31° (2010)
- Record low
- −21°−29° (2019)
- Heating degree days
- 662
- Cooling degree days
- 0
Wamsutter in November
Highs average 42°6° and lows 18°−8°, with 0.64 in16 mm of precipitation and 7 in18 cm of snow in a typical November.
- Record high
- 71°22° (1899)
- Record low
- −27°−33° (1993)
- Heating degree days
- 1041
- Cooling degree days
- 0
Wamsutter in December
Highs average 30°−1° and lows 9°−13°, with 0.53 in13 mm of precipitation and 9 in22 cm of snow in a typical December.
- Record high
- 79°26° (1936)
- Record low
- −33°−36° (1964)
- Heating degree days
- 1410
- Cooling degree days
- 0