Tumalo weather by month
What a typical year looks like in Tumalo, Oregon: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Redmond Airport, 19 km from Tumalo; records cover 1948–2026.
The year at a glance
- Precipitation a year
- 8.5 in215 mm
- Snow a year
- Rare
- Last spring freeze
- Jun 17
- First fall freeze
- Sep 7
- Heating degree days
- 6,174
- Cooling degree days
- 317
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 2°−17° (heating, 99%) and 99°37° (cooling, 1%).
Month by month
Tumalo in January
Highs average 44°7° and lows 25°−4°, with 0.98 in25 mm of precipitation in a typical January.
- Record high
- 70°21° (2018)
- Record low
- −27°−33° (1962)
- Heating degree days
- 938
- Cooling degree days
- 0
Tumalo in February
Highs average 48°9° and lows 25°−4°, with 0.66 in17 mm of precipitation in a typical February.
- Record high
- 74°23° (2022)
- Record low
- −19°−28° (1989)
- Heating degree days
- 794
- Cooling degree days
- 0
Tumalo in March
Highs average 55°13° and lows 28°−2°, with 0.58 in15 mm of precipitation in a typical March.
- Record high
- 81°27° (2025)
- Record low
- −1°−18° (1955)
- Heating degree days
- 735
- Cooling degree days
- 0
Tumalo in April
Highs average 60°16° and lows 31°−1°, with 0.71 in18 mm of precipitation in a typical April.
- Record high
- 89°32° (1968)
- Record low
- 10°−12° (1963)
- Heating degree days
- 587
- Cooling degree days
- 0
Tumalo in May
Highs average 69°21° and lows 38°3°, with 1.2 in30 mm of precipitation in a typical May.
- Record high
- 99°37° (1986)
- Record low
- 12°−11° (1964)
- Heating degree days
- 365
- Cooling degree days
- 7
Tumalo in June
Highs average 77°25° and lows 43°6°, with 0.64 in16 mm of precipitation in a typical June.
- Record high
- 112°44° (2021)
- Record low
- 24°−4° (1962)
- Heating degree days
- 183
- Cooling degree days
- 33
Tumalo in July
Highs average 88°31° and lows 49°9°, with 0.4 in10 mm of precipitation in a typical July.
- Record high
- 109°43° (2022)
- Record low
- 28°−2° (1962)
- Heating degree days
- 44
- Cooling degree days
- 136
Tumalo in August
Highs average 87°30° and lows 47°8°, with 0.46 in12 mm of precipitation in a typical August.
- Record high
- 108°42° (1972)
- Record low
- 25°−4° (1960)
- Heating degree days
- 53
- Cooling degree days
- 110
Tumalo in September
Highs average 79°26° and lows 41°5°, with 0.37 in9.4 mm of precipitation in a typical September.
- Record high
- 106°41° (2022)
- Record low
- 16°−9° (1961)
- Heating degree days
- 192
- Cooling degree days
- 30
Tumalo in OctoberThis month
Highs average 65°18° and lows 33°0°, with 0.68 in17 mm of precipitation in a typical October.
- Record high
- 95°35° (1970)
- Record low
- −3°−19° (2002)
- Heating degree days
- 509
- Cooling degree days
- 1
Tumalo in November
Highs average 51°10° and lows 28°−2°, with 0.81 in21 mm of precipitation in a typical November.
- Record high
- 80°27° (2020)
- Record low
- −19°−28° (2014)
- Heating degree days
- 776
- Cooling degree days
- 0
Tumalo in December
Highs average 42°6° and lows 23°−5°, with 0.97 in25 mm of precipitation in a typical December.
- Record high
- 72°22° (2021)
- Record low
- −28°−33° (1972)
- Heating degree days
- 998
- Cooling degree days
- 0