Records for Ontario Area, Oregon (ONOthr) on 12-12
Record Highs
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1: 65°F (1995)
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2: 56°F (2014)
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3: 55°F (1991)
Record Lows
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1: -4°F (1985)
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2: -1°F (2013)
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3: 0°F (1972)
Lowest Highs
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1: 41°F (2014)
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2: 40°F (2021)
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3: 40°F (2004)
Highest Lows
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1: 10°F (1972)
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2: 17°F (1985)
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3: 20°F (2013)
Highest December temperature:
66°F on 12-22-1955.
Lowest December temperature:
-23°F on 12-10-1972.
Average temperature is 29.5°F
Average high is 36.6°F
Average low is 22.4°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.40" (1983)
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2: 0.40" (1975)
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3: 0.28" (2015)
Precipitation data from 1945 to 2022.