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Ontario, OR: records

: The hottest day on record in Ontario, OR: 113°F on Wednesday 12 July 1967 and Friday 4 August 1961.

The record begins
1945

All-time records

Hottest day
113°F
,
Coldest night
-25°F
,
Wettest day
1.59 in
Warmest night
81°F
Coldest day
-1°F

Daily records by decade

New daily records set in Ontario, OR by decade since the 1970s: the most record highs, 47, came in the 1990s; the most record lows, 87, in the 1980s.
1970s: 28 record highs1980s: 32 record highs1990s: 47 record highs2000s: 32 record highs2010s: 33 record highs2020s: 32 record highs1970s: 47 record lows1980s: 87 record lows1990s: 55 record lows2000s: 15 record lows2010s: 21 record lows2020s: 3 record lows 47 87 1940s 2020s
  • Record highs
  • Record lows
Every decade as a table
DecadeRecord highsRecord lowsYears in the record
1940s005
1950s0010
1960s0010
1970s284710
1980s328710
1990s475510
2000s321510
2010s332110
2020s3237

Records by month

MonthHighestLowestWettest day
January64°F -25°F , 1.35 in
February69°F -24°F 0.72 in
March85°F 9°F 1.05 in
April94°F 17°F 0.86 in
May103°F 25°F , 1.10 in
June109°F 31°F , 1.00 in
July113°F 34°F 0.96 in
August113°F 33°F 1.51 in
September104°F 24°F , 1.59 in
October93°F , 9°F 1.03 in
November74°F -6°F 0.70 in
December66°F -23°F 1.40 in

Streaks, months and years

Longest heat streak74 days to A high of 90°F or above
Longest cold streak28 days to A high of 32°F or below
Wettest month4.39 inMay 1998and 1 more
Driest month0.00 inJuly 2013and 13 more
Wettest year16.79 in1983
Driest year4.86 in1949
Every record in words
  • The coldest night on record in Ontario, OR: a low of -25°F on Monday 22 January 1962 and Sunday 27 January 1957.
  • The wettest day on record in Ontario, OR: 1.59 in on Monday 14 September 1959.
  • The warmest night on record in Ontario, OR: a low of 81°F on Tuesday 30 June 2015.
  • The coldest day on record in Ontario, OR: a high of -1°F on Saturday 22 December 1990.
  • The longest run of days with a high of 90°F or above in Ontario, OR: 74 days, from Wednesday 28 June to Saturday 9 September 1967.
  • The longest run of days with a high of 32°F or below in Ontario, OR: 28 days, from Thursday 12 December 1985 to Wednesday 8 January 1986.
  • The wettest month on record in Ontario, OR: May 1998, with 4.39 in of precipitation (shared with 1 other month).
  • The driest month on record in Ontario, OR: July 2013, with 0.00 in of precipitation (shared with 13 other months).
  • The wettest year on record in Ontario, OR: 1983, with 16.79 in of precipitation.
  • The driest year on record in Ontario, OR: 1949, with 4.86 in of precipitation.

Ontario, OR the day's answers