Emmett weather by month
What a typical year looks like in Emmett, Idaho: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at EMMETT 2 E, 3 km from Emmett; records cover 1906–2026.
The year at a glance
- Precipitation a year
- 13.3 in337 mm
- Snow a year
- 7 in19 cm
- Last spring freeze
- May 3
- First fall freeze
- Oct 15
- Heating degree days
- 5,690
- Cooling degree days
- 789
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 7°−14° (heating, 99%) and 101°38° (cooling, 1%).
Month by month
Emmett in January
Highs average 38°3° and lows 23°−5°, with 1.8 in45 mm of precipitation and 1.7 in4.3 cm of snow in a typical January.
- Record high
- 63°17° (1909)
- Record low
- −27°−33° (1930)
- Heating degree days
- 1060
- Cooling degree days
- 0
Emmett in February
Highs average 46°8° and lows 27°−3°, with 1.3 in32 mm of precipitation and 1.4 in3.6 cm of snow in a typical February.
- Record high
- 71°22° (1940)
- Record low
- −16°−27° (1979)
- Heating degree days
- 804
- Cooling degree days
- 0
Emmett in March
Highs average 56°13° and lows 32°0°, with 1.6 in41 mm of precipitation and 0.1 in0.3 cm of snow in a typical March.
- Record high
- 83°28° (2026)
- Record low
- 6°−14° (1965)
- Heating degree days
- 656
- Cooling degree days
- 0
Emmett in April
Highs average 63°17° and lows 36°2°, with 1.2 in31 mm of precipitation and 0.1 in0.3 cm of snow in a typical April.
- Record high
- 94°34° (1910)
- Record low
- 12°−11° (1933)
- Heating degree days
- 472
- Cooling degree days
- 1
Emmett in May
Highs average 72°22° and lows 44°6°, with 1.5 in37 mm of precipitation in a typical May.
- Record high
- 100°38° (1928)
- Record low
- 23°−5° (1982)
- Heating degree days
- 245
- Cooling degree days
- 25
Emmett in June
Highs average 81°27° and lows 50°10°, with 0.77 in20 mm of precipitation in a typical June.
- Record high
- 110°43° (1940)
- Record low
- 30°−1° (1962)
- Heating degree days
- 83
- Cooling degree days
- 101
Emmett in July
Highs average 92°33° and lows 58°14°, with 0.25 in6.4 mm of precipitation in a typical July.
- Record high
- 111°44° (1925)
- Record low
- 35°2° (1955)
- Heating degree days
- 9
- Cooling degree days
- 308
Emmett in August
Highs average 90°32° and lows 57°14°, with 0.17 in4.3 mm of precipitation in a typical August.
- Record high
- 109°43° (1961)
- Record low
- 31°−1° (1912)
- Heating degree days
- 12
- Cooling degree days
- 274
Emmett in September
Highs average 80°27° and lows 48°9°, with 0.42 in11 mm of precipitation in a typical September.
- Record high
- 103°39° (1931)
- Record low
- 21°−6° (1908)
- Heating degree days
- 108
- Cooling degree days
- 76
Emmett in OctoberThis month
Highs average 65°18° and lows 38°3°, with 0.9 in23 mm of precipitation in a typical October.
- Record high
- 107°42° (1926)
- Record low
- 12°−11° (2002)
- Heating degree days
- 418
- Cooling degree days
- 4
Emmett in November
Highs average 49°10° and lows 29°−2°, with 1.3 in34 mm of precipitation and 0.5 in1.3 cm of snow in a typical November.
- Record high
- 76°24° (1924)
- Record low
- −13°−25° (1955)
- Heating degree days
- 775
- Cooling degree days
- 0
Emmett in December
Highs average 39°4° and lows 24°−5°, with 2.1 in54 mm of precipitation and 4 in9 cm of snow in a typical December.
- Record high
- 74°23° (1939)
- Record low
- −27°−33° (1924)
- Heating degree days
- 1048
- Cooling degree days
- 0