Adrian weather by month
What a typical year looks like in Adrian, Oregon: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Owyhee Dam, 17 km from Adrian; records cover 1935–2026.
The year at a glance
- Precipitation a year
- 8.8 in223 mm
- Snow a year
- 6 in15 cm
- Last spring freeze
- May 1
- First fall freeze
- Oct 11
- Heating degree days
- 5,743
- Cooling degree days
- 774
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 8°−13° (heating, 99%) and 104°40° (cooling, 1%).
Month by month
Adrian in January
Highs average 40°4° and lows 21°−6°, with 1.1 in27 mm of precipitation and 2.1 in5.3 cm of snow in a typical January.
- Record high
- 67°19° (1997)
- Record low
- −22°−30° (1962)
- Heating degree days
- 1069
- Cooling degree days
- 0
Adrian in February
Highs average 47°8° and lows 24°−4°, with 0.71 in18 mm of precipitation and 0.6 in1.5 cm of snow in a typical February.
- Record high
- 70°21° (1971)
- Record low
- −13°−25° (1979)
- Heating degree days
- 820
- Cooling degree days
- 0
Adrian in March
Highs average 57°14° and lows 30°−1°, with 0.77 in20 mm of precipitation and 0.1 in0.3 cm of snow in a typical March.
- Record high
- 83°28° (2026)
- Record low
- 11°−12° (1955)
- Heating degree days
- 668
- Cooling degree days
- 0
Adrian in April
Highs average 65°18° and lows 35°1°, with 0.84 in21 mm of precipitation in a typical April.
- Record high
- 92°33° (1946)
- Record low
- 14°−10° (1987)
- Heating degree days
- 461
- Cooling degree days
- 1
Adrian in May
Highs average 75°24° and lows 42°6°, with 1.1 in29 mm of precipitation in a typical May.
- Record high
- 102°39° (2003)
- Record low
- 24°−4° (1987)
- Heating degree days
- 231
- Cooling degree days
- 26
Adrian in June
Highs average 84°29° and lows 48°9°, with 0.85 in22 mm of precipitation in a typical June.
- Record high
- 110°43° (1940)
- Record low
- 34°1° (1986)
- Heating degree days
- 81
- Cooling degree days
- 96
Adrian in July
Highs average 95°35° and lows 55°13°, with 0.39 in9.9 mm of precipitation in a typical July.
- Record high
- 112°44° (2002)
- Record low
- 35°2° (1986)
- Heating degree days
- 8
- Cooling degree days
- 307
Adrian in August
Highs average 93°34° and lows 53°12°, with 0.21 in5.3 mm of precipitation in a typical August.
- Record high
- 111°44° (1961)
- Record low
- 35°2° (2012)
- Heating degree days
- 12
- Cooling degree days
- 266
Adrian in September
Highs average 83°28° and lows 45°7°, with 0.4 in10 mm of precipitation in a typical September.
- Record high
- 103°39° (1950)
- Record low
- 27°−3° (1965)
- Heating degree days
- 109
- Cooling degree days
- 73
Adrian in OctoberThis month
Highs average 68°20° and lows 36°2°, with 0.54 in14 mm of precipitation in a typical October.
- Record high
- 93°34° (1997)
- Record low
- 11°−12° (2002)
- Heating degree days
- 422
- Cooling degree days
- 5
Adrian in November
Highs average 50°10° and lows 26°−3°, with 0.77 in20 mm of precipitation and 0.1 in0.3 cm of snow in a typical November.
- Record high
- 80°27° (2006)
- Record low
- −4°−20° (1955)
- Heating degree days
- 802
- Cooling degree days
- 0
Adrian in December
Highs average 40°5° and lows 21°−6°, with 1.1 in28 mm of precipitation and 3 in8 cm of snow in a typical December.
- Record high
- 70°21° (1939)
- Record low
- −16°−27° (1972)
- Heating degree days
- 1060
- Cooling degree days
- 0