Shaniko weather by month
What a typical year looks like in Shaniko, Oregon: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Antelope 6 Ssw, 21 km from Shaniko; records cover 1924–2026.
The year at a glance
- Precipitation a year
- 14.5 in369 mm
- Snow a year
- 10 in25 cm
- Last spring freeze
- May 21
- First fall freeze
- Sep 30
- Heating degree days
- 6,119
- Cooling degree days
- 406
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 6°−14° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Shaniko in January
Highs average 43°6° and lows 26°−4°, with 1.5 in38 mm of precipitation and 2 in5.1 cm of snow in a typical January.
- Record high
- 70°21° (2015)
- Record low
- −27°−33° (1937)
- Heating degree days
- 953
- Cooling degree days
- 0
Shaniko in February
Highs average 46°8° and lows 26°−3°, with 1.3 in33 mm of precipitation and 1 in2.5 cm of snow in a typical February.
- Record high
- 72°22° (1930)
- Record low
- −22°−30° (1950)
- Heating degree days
- 808
- Cooling degree days
- 0
Shaniko in March
Highs average 53°12° and lows 29°−1°, with 1.2 in31 mm of precipitation and 0.7 in1.8 cm of snow in a typical March.
- Record high
- 78°26° (1939)
- Record low
- 5°−15° (1955)
- Heating degree days
- 741
- Cooling degree days
- 0
Shaniko in April
Highs average 59°15° and lows 33°0°, with 1.5 in39 mm of precipitation and 1 in2.5 cm of snow in a typical April.
- Record high
- 90°32° (1926)
- Record low
- 11°−12° (1929)
- Heating degree days
- 582
- Cooling degree days
- 0
Shaniko in May
Highs average 68°20° and lows 39°4°, with 2 in51 mm of precipitation in a typical May.
- Record high
- 98°37° (1986)
- Record low
- 18°−8° (1964)
- Heating degree days
- 360
- Cooling degree days
- 8
Shaniko in June
Highs average 76°24° and lows 45°7°, with 1 in26 mm of precipitation in a typical June.
- Record high
- 108°42° (2021)
- Record low
- 25°−4° (1932)
- Heating degree days
- 184
- Cooling degree days
- 39
Shaniko in July
Highs average 87°31° and lows 51°10°, with 0.34 in8.6 mm of precipitation in a typical July.
- Record high
- 107°42° (1928)
- Record low
- 29°−2° (1949)
- Heating degree days
- 44
- Cooling degree days
- 164
Shaniko in August
Highs average 87°30° and lows 50°10°, with 0.34 in8.6 mm of precipitation in a typical August.
- Record high
- 109°43° (1961)
- Record low
- 30°−1° (1951)
- Heating degree days
- 43
- Cooling degree days
- 145
Shaniko in September
Highs average 78°26° and lows 44°7°, with 0.5 in13 mm of precipitation in a typical September.
- Record high
- 101°38° (1955)
- Record low
- 20°−7° (1950)
- Heating degree days
- 162
- Cooling degree days
- 47
Shaniko in OctoberThis month
Highs average 64°18° and lows 36°2°, with 1.2 in31 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.
- Record high
- 91°33° (1934)
- Record low
- 8°−13° (1949)
- Heating degree days
- 476
- Cooling degree days
- 3
Shaniko in November
Highs average 50°10° and lows 29°−1°, with 1.8 in45 mm of precipitation and 1.2 in3 cm of snow in a typical November.
- Record high
- 76°24° (1929)
- Record low
- −7°−22° (1985)
- Heating degree days
- 765
- Cooling degree days
- 0
Shaniko in December
Highs average 42°5° and lows 24°−5°, with 1.8 in46 mm of precipitation and 4 in9 cm of snow in a typical December.
- Record high
- 72°22° (1939)
- Record low
- −20°−29° (1924)
- Heating degree days
- 1001
- Cooling degree days
- 0