Butte City weather by month
What a typical year looks like in Butte City, Idaho: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Arco, 6 km from Butte City; records cover 1914–2026.
The year at a glance
- Precipitation a year
- 8.8 in224 mm
- Snow a year
- 24 in60 cm
- Last spring freeze
- May 31
- First fall freeze
- Sep 17
- Heating degree days
- 8,051
- Cooling degree days
- 313
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −12°−24° (heating, 99%) and 94°34° (cooling, 1%).
Month by month
Butte City in January
Highs average 30°−1° and lows 7°−14°, with 0.67 in17 mm of precipitation and 7 in18 cm of snow in a typical January.
- Record high
- 52°11° (1923)
- Record low
- −46°−43° (1937)
- Heating degree days
- 1437
- Cooling degree days
- 0
Butte City in February
Highs average 35°2° and lows 12°−11°, with 0.62 in16 mm of precipitation and 5 in12 cm of snow in a typical February.
- Record high
- 59°15° (1991)
- Record low
- −32°−36° (1929)
- Heating degree days
- 1170
- Cooling degree days
- 0
Butte City in March
Highs average 46°8° and lows 23°−5°, with 0.68 in17 mm of precipitation and 1.1 in2.8 cm of snow in a typical March.
- Record high
- 71°22° (1966)
- Record low
- −20°−29° (1917)
- Heating degree days
- 950
- Cooling degree days
- 0
Butte City in April
Highs average 57°14° and lows 30°−1°, with 0.86 in22 mm of precipitation and 1.3 in3.3 cm of snow in a typical April.
- Record high
- 87°31° (1923)
- Record low
- −3°−19° (1917)
- Heating degree days
- 636
- Cooling degree days
- 0
Butte City in May
Highs average 67°19° and lows 39°4°, with 1.2 in30 mm of precipitation and 0.2 in0.5 cm of snow in a typical May.
- Record high
- 95°35° (1927)
- Record low
- 11°−12° (1972)
- Heating degree days
- 382
- Cooling degree days
- 4
Butte City in June
Highs average 76°25° and lows 46°8°, with 1.1 in29 mm of precipitation in a typical June.
- Record high
- 97°36° (1988)
- Record low
- 20°−7° (1929)
- Heating degree days
- 153
- Cooling degree days
- 35
Butte City in July
Highs average 87°30° and lows 52°11°, with 0.32 in8.1 mm of precipitation in a typical July.
- Record high
- 102°39° (1934)
- Record low
- 29°−2° (1986)
- Heating degree days
- 27
- Cooling degree days
- 154
Butte City in August
Highs average 85°29° and lows 50°10°, with 0.54 in14 mm of precipitation in a typical August.
- Record high
- 100°38° (1940)
- Record low
- 25°−4° (1992)
- Heating degree days
- 40
- Cooling degree days
- 106
Butte City in September
Highs average 75°24° and lows 41°5°, with 0.66 in17 mm of precipitation in a typical September.
- Record high
- 100°38° (1927)
- Record low
- 11°−12° (1926)
- Heating degree days
- 225
- Cooling degree days
- 14
Butte City in OctoberThis month
Highs average 60°15° and lows 31°−1°, with 0.71 in18 mm of precipitation and 0.3 in0.8 cm of snow in a typical October.
- Record high
- 85°29° (1921)
- Record low
- 1°−17° (1932)
- Heating degree days
- 620
- Cooling degree days
- 0
Butte City in November
Highs average 43°6° and lows 19°−7°, with 0.55 in14 mm of precipitation and 1.2 in3 cm of snow in a typical November.
- Record high
- 70°21° (1945)
- Record low
- −22°−30° (2010)
- Heating degree days
- 1024
- Cooling degree days
- 0
Butte City in December
Highs average 31°0° and lows 9°−13°, with 0.86 in22 mm of precipitation and 8 in21 cm of snow in a typical December.
- Record high
- 59°15° (1939)
- Record low
- −45°−43° (1983)
- Heating degree days
- 1387
- Cooling degree days
- 0