Halfway weather by month
What a typical year looks like in Halfway, Oregon: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Halfway, 0 km from Halfway; records cover 1936–2026.
The year at a glance
- Precipitation a year
- 21.3 in540 mm
- Snow a year
- 62 in158 cm
- Last spring freeze
- May 29
- First fall freeze
- Sep 12
- Heating degree days
- 6,656
- Cooling degree days
- 449
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −3°−19° (heating, 99%) and 100°38° (cooling, 1%).
Month by month
Halfway in January
Highs average 32°0° and lows 19°−7°, with 3.6 in91 mm of precipitation and 23 in58 cm of snow in a typical January.
- Record high
- 57°14° (1959)
- Record low
- −34°−37° (1949)
- Heating degree days
- 1226
- Cooling degree days
- 0
Halfway in February
Highs average 39°4° and lows 22°−5°, with 2.1 in53 mm of precipitation and 9 in24 cm of snow in a typical February.
- Record high
- 66°19° (1995)
- Record low
- −33°−36° (1950)
- Heating degree days
- 969
- Cooling degree days
- 0
Halfway in March
Highs average 51°11° and lows 30°−1°, with 1.9 in47 mm of precipitation and 2 in5.1 cm of snow in a typical March.
- Record high
- 80°27° (2026)
- Record low
- −8°−22° (1952)
- Heating degree days
- 755
- Cooling degree days
- 0
Halfway in April
Highs average 62°16° and lows 34°1°, with 1.6 in39 mm of precipitation and 0.3 in0.8 cm of snow in a typical April.
- Record high
- 92°33° (1946)
- Record low
- 9°−13° (1960)
- Heating degree days
- 512
- Cooling degree days
- 0
Halfway in May
Highs average 71°22° and lows 41°5°, with 1.8 in45 mm of precipitation in a typical May.
- Record high
- 96°36° (2008)
- Record low
- 18°−8° (1954)
- Heating degree days
- 283
- Cooling degree days
- 7
Halfway in June
Highs average 79°26° and lows 47°8°, with 1.3 in33 mm of precipitation in a typical June.
- Record high
- 106°41° (2015)
- Record low
- 26°−3° (1990)
- Heating degree days
- 117
- Cooling degree days
- 51
Halfway in July
Highs average 90°32° and lows 52°11°, with 0.48 in12 mm of precipitation in a typical July.
- Record high
- 110°43° (1990)
- Record low
- 30°−1° (1955)
- Heating degree days
- 19
- Cooling degree days
- 201
Halfway in August
Highs average 89°31° and lows 50°10°, with 0.32 in8.1 mm of precipitation in a typical August.
- Record high
- 108°42° (1942)
- Record low
- 28°−2° (1960)
- Heating degree days
- 27
- Cooling degree days
- 159
Halfway in September
Highs average 79°26° and lows 42°6°, with 0.68 in17 mm of precipitation in a typical September.
- Record high
- 104°40° (1955)
- Record low
- 18°−8° (1965)
- Heating degree days
- 166
- Cooling degree days
- 31
Halfway in OctoberThis month
Highs average 63°17° and lows 33°1°, with 1.3 in33 mm of precipitation in a typical October.
- Record high
- 91°33° (2008)
- Record low
- 4°−16° (2006)
- Heating degree days
- 527
- Cooling degree days
- 0
Halfway in November
Highs average 45°7° and lows 27°−3°, with 2.6 in65 mm of precipitation and 6 in16 cm of snow in a typical November.
- Record high
- 71°22° (1965)
- Record low
- −23°−31° (1985)
- Heating degree days
- 866
- Cooling degree days
- 0
Halfway in December
Highs average 33°1° and lows 20°−6°, with 3.8 in96 mm of precipitation and 22 in55 cm of snow in a typical December.
- Record high
- 61°16° (1987)
- Record low
- −31°−35° (1964)
- Heating degree days
- 1189
- Cooling degree days
- 0