Shoshone weather by month
What a typical year looks like in Shoshone, Idaho: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Shoshone 1 Wnw, 1 km from Shoshone; records cover 1908–2026.
The year at a glance
- Precipitation a year
- 10.5 in266 mm
- Snow a year
- Rare
- Last spring freeze
- May 6
- First fall freeze
- Oct 4
- Heating degree days
- 5,541
- Cooling degree days
- 1,094
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 2°−17° (heating, 99%) and 101°38° (cooling, 1%).
Month by month
Shoshone in January
Highs average 37°3° and lows 23°−5°, with 1.6 in40 mm of precipitation in a typical January.
- Record high
- 60°16° (1918)
- Record low
- −36°−38° (1937)
- Heating degree days
- 1077
- Cooling degree days
- 0
Shoshone in February
Highs average 43°6° and lows 26°−3°, with 0.9 in23 mm of precipitation in a typical February.
- Record high
- 65°18° (1961)
- Record low
- −35°−37° (1933)
- Heating degree days
- 852
- Cooling degree days
- 0
Shoshone in March
Highs average 55°13° and lows 33°0°, with 1.1 in29 mm of precipitation in a typical March.
- Record high
- 83°28° (2026)
- Record low
- −11°−24° (1922)
- Heating degree days
- 664
- Cooling degree days
- 0
Shoshone in April
Highs average 64°18° and lows 38°3°, with 0.81 in21 mm of precipitation in a typical April.
- Record high
- 90°32° (1992)
- Record low
- 1°−17° (1936)
- Heating degree days
- 429
- Cooling degree days
- 4
Shoshone in May
Highs average 74°23° and lows 47°8°, with 1.1 in27 mm of precipitation in a typical May.
- Record high
- 101°38° (2003)
- Record low
- 15°−9° (1982)
- Heating degree days
- 195
- Cooling degree days
- 47
Shoshone in June
Highs average 84°29° and lows 54°12°, with 0.56 in14 mm of precipitation in a typical June.
- Record high
- 105°41° (1974)
- Record low
- 27°−3° (1914)
- Heating degree days
- 52
- Cooling degree days
- 165
Shoshone in July
Highs average 94°35° and lows 62°17°, with 0.16 in4.1 mm of precipitation in a typical July.
- Record high
- 109°43° (1960)
- Record low
- 32°0° (1921)
- Heating degree days
- 3
- Cooling degree days
- 403
Shoshone in August
Highs average 92°34° and lows 60°16°, with 0.3 in7.6 mm of precipitation in a typical August.
- Record high
- 105°41° (1940)
- Record low
- 29°−2° (1932)
- Heating degree days
- 7
- Cooling degree days
- 352
Shoshone in September
Highs average 81°27° and lows 51°11°, with 0.46 in12 mm of precipitation in a typical September.
- Record high
- 104°40° (2022)
- Record low
- 16°−9° (1934)
- Heating degree days
- 81
- Cooling degree days
- 115
Shoshone in OctoberThis month
Highs average 66°19° and lows 40°5°, with 0.76 in19 mm of precipitation in a typical October.
- Record high
- 93°34° (2010)
- Record low
- 8°−13° (1935)
- Heating degree days
- 379
- Cooling degree days
- 8
Shoshone in November
Highs average 50°10° and lows 31°0°, with 1 in26 mm of precipitation in a typical November.
- Record high
- 77°25° (2020)
- Record low
- −20°−29° (1931)
- Heating degree days
- 741
- Cooling degree days
- 0
Shoshone in December
Highs average 38°3° and lows 24°−5°, with 1.7 in44 mm of precipitation in a typical December.
- Record high
- 67°19° (1939)
- Record low
- −27°−33° (1990)
- Heating degree days
- 1061
- Cooling degree days
- 0