Hamer weather by month
What a typical year looks like in Hamer, Idaho: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Hamer 4 NW, 6 km from Hamer; records cover 1948–2026.
The year at a glance
- Precipitation a year
- 8.9 in227 mm
- Snow a year
- 20 in52 cm
- Last spring freeze
- Jun 10
- First fall freeze
- Sep 8
- Heating degree days
- 7,992
- Cooling degree days
- 307
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −17°−27° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Hamer in January
Highs average 29°−2° and lows 7°−14°, with 0.72 in18 mm of precipitation and 6 in15 cm of snow in a typical January.
- Record high
- 55°13° (1981)
- Record low
- −48°−44° (1979)
- Heating degree days
- 1455
- Cooling degree days
- 0
Hamer in February
Highs average 36°2° and lows 11°−11°, with 0.44 in11 mm of precipitation and 4 in9 cm of snow in a typical February.
- Record high
- 58°14° (1981)
- Record low
- −46°−43° (1985)
- Heating degree days
- 1165
- Cooling degree days
- 0
Hamer in March
Highs average 49°9° and lows 22°−6°, with 0.5 in13 mm of precipitation and 1.7 in4.3 cm of snow in a typical March.
- Record high
- 79°26° (2026)
- Record low
- −27°−33° (1960)
- Heating degree days
- 921
- Cooling degree days
- 0
Hamer in April
Highs average 60°16° and lows 29°−2°, with 0.94 in24 mm of precipitation and 0.8 in2 cm of snow in a typical April.
- Record high
- 86°30° (1992)
- Record low
- 1°−17° (2008)
- Heating degree days
- 611
- Cooling degree days
- 0
Hamer in May
Highs average 70°21° and lows 37°3°, with 1.5 in37 mm of precipitation in a typical May.
- Record high
- 93°34° (2003)
- Record low
- 14°−10° (1972)
- Heating degree days
- 356
- Cooling degree days
- 3
Hamer in June
Highs average 79°26° and lows 44°7°, with 1.1 in28 mm of precipitation in a typical June.
- Record high
- 102°39° (1988)
- Record low
- 25°−4° (1951)
- Heating degree days
- 144
- Cooling degree days
- 36
Hamer in July
Highs average 89°32° and lows 49°10°, with 0.52 in13 mm of precipitation in a typical July.
- Record high
- 105°41° (1960)
- Record low
- 28°−2° (1986)
- Heating degree days
- 26
- Cooling degree days
- 148
Hamer in August
Highs average 87°31° and lows 47°8°, with 0.51 in13 mm of precipitation in a typical August.
- Record high
- 105°41° (1990)
- Record low
- 20°−7° (1992)
- Heating degree days
- 36
- Cooling degree days
- 106
Hamer in September
Highs average 78°25° and lows 39°4°, with 0.63 in16 mm of precipitation in a typical September.
- Record high
- 99°37° (2020)
- Record low
- 8°−13° (1985)
- Heating degree days
- 218
- Cooling degree days
- 14
Hamer in OctoberThis month
Highs average 62°16° and lows 28°−2°, with 0.73 in19 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 88°31° (1992)
- Record low
- −8°−22° (2019)
- Heating degree days
- 620
- Cooling degree days
- 0
Hamer in November
Highs average 44°7° and lows 17°−8°, with 0.56 in14 mm of precipitation and 1.7 in4.3 cm of snow in a typical November.
- Record high
- 70°21° (1965)
- Record low
- −38°−39° (1985)
- Heating degree days
- 1034
- Cooling degree days
- 0
Hamer in December
Highs average 30°−1° and lows 9°−13°, with 0.8 in20 mm of precipitation and 7 in17 cm of snow in a typical December.
- Record high
- 60°16° (1995)
- Record low
- −40° (1983)
- Heating degree days
- 1406
- Cooling degree days
- 0