Records for Ontario Area, Oregon (ONOthr) on 05-12
Record Highs
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1: 96°F (1988)
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2: 94°F (2013)
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3: 93°F (2001)
Record Lows
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1: 29°F (2000)
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2: 32°F (1967)
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3: 32°F (1948)
Lowest Highs
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1: 56°F (2018)
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2: 55°F (1993)
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3: 55°F (1988)
Highest Lows
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1: 53°F (1967)
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2: 54°F (1951)
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3: 56°F (1958)
Highest May temperature:
103°F on 05-29-1986.
Lowest May temperature:
25°F on 05-01-1946.
Average temperature is 59.1°F
Average high is 72.6°F
Average low is 45.6°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 1.03" (1958)
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2: 0.24" (2003)
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3: 0.18" (1998)
Precipitation data from 1945 to 2022.