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Oshawa Wpcp Weather Records (CA006155878)

Record envelope, standing records and threshold days for Oshawa Wpcp (CA006155878), Ontario, Canada, with 55 years of record.

Key Facts for Oshawa Wpcp

  • Oshawa Wpcp (CA006155878) is a weather station in Ontario, Canada at 43.87 latitude and -78.83 longitude, 84 m (276 ft) above sea level.
  • The station reports from 1969 to 2023, 55 years of record.
  • 1,464 records set at Oshawa Wpcp still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Ontario, Canada, 43.87 latitude, -78.83 longitude.
  • Elevation: 84 m (276 ft).
  • Period of record: 1969 to 2023, 55 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Oshawa Wpcp, with 2026 drawn through them The band shows the record high and record low for each calendar day at Oshawa Wpcp. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Oshawa Wpcp. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Oshawa Wpcp, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan10.0 C (50.0 F)-30.5 C (-22.9 F)n/an/a
Feb11.0 C (51.8 F)-27.0 C (-16.6 F)n/an/a
Mar18.0 C (64.4 F)-20.0 C (-4.0 F)n/an/a
Apr24.4 C (75.9 F)-13.3 C (8.1 F)n/an/a
May30.5 C (86.9 F)-2.8 C (27.0 F)n/an/a
Jun32.2 C (90.0 F)1.1 C (34.0 F)n/an/a
Jul35.5 C (95.9 F)7.8 C (46.0 F)n/an/a
Aug33.3 C (91.9 F)3.0 C (37.4 F)n/an/a
Sep31.5 C (88.7 F)-0.6 C (30.9 F)n/an/a
Oct24.4 C (75.9 F)-7.8 C (18.0 F)n/an/a
Nov21.1 C (70.0 F)-12.0 C (10.4 F)n/an/a
Dec16.0 C (60.8 F)-29.0 C (-20.2 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Oshawa Wpcp by the year they were set 1,464 records at Oshawa Wpcp still stand. 1973 holds the most, with 125. 0501001501969: 281970: 1151971: 1111972: 841973: 1251974: 1001975: 1131976: 1181977: 921978: 851979: 971980: 921981: 931982: 991983: 11219691971197319751977197919811983
1,464 records at Oshawa Wpcp still stand. 1973 holds the most, with 125.
Standing records at Oshawa Wpcp by the year they were set
Year setStanding records
196928
1970115
1971111
197284
1973125
1974100
1975113
1976118
197792
197885
197997
198092
198193
198299
1983112

Wettest Day of Each Month

Jun: 144.8 mm (5.7 in)
Record daily precipitation for each month at Oshawa Wpcp The wettest day on record for each calendar month at Oshawa Wpcp. The most was 144.8 mm (5.7 in) on 27 June 1971. 050100150 Jan: 42.6 mm (1.7 in), 24 January 1979 Jan Feb: 32.5 mm (1.3 in), 22 February 1971 Feb Mar: 32.6 mm (1.3 in), 21 March 1980 Mar Apr: 35.6 mm (1.4 in), 18 April 1975 Apr May: 40.6 mm (1.6 in), 16 May 1976 May Jun: 144.8 mm (5.7 in), 27 June 1971 Jun Jul: 38.1 mm (1.5 in), 5 July 1971 Jul Aug: 53.0 mm (2.1 in), 1 August 1979 Aug Sep: 54.6 mm (2.1 in), 4 September 1981 Sep Oct: 33.8 mm (1.3 in), 22 October 1972 Oct Nov: 43.8 mm (1.7 in), 7 November 1977 Nov Dec: 39.1 mm (1.5 in), 12 December 1972 Dec
The wettest day on record for each calendar month at Oshawa Wpcp. The most was 144.8 mm (5.7 in) on 27 June 1971.
Record daily precipitation for each month at Oshawa Wpcp
MonthRecord daily precipitation (mm)Date
Jan42.6 mm (1.7 in)24 January 1979
Feb32.5 mm (1.3 in)22 February 1971
Mar32.6 mm (1.3 in)21 March 1980
Apr35.6 mm (1.4 in)18 April 1975
May40.6 mm (1.6 in)16 May 1976
Jun144.8 mm (5.7 in)27 June 1971
Jul38.1 mm (1.5 in)5 July 1971
Aug53.0 mm (2.1 in)1 August 1979
Sep54.6 mm (2.1 in)4 September 1981
Oct33.8 mm (1.3 in)22 October 1972
Nov43.8 mm (1.7 in)7 November 1977
Dec39.1 mm (1.5 in)12 December 1972

Period of Record Coverage

1969 to 1983
Days with data per year at Oshawa Wpcp 15 years of record at Oshawa Wpcp, 1969 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1969. 1969: 133 of 365 days1970: 365 of 365 days1971: 365 of 365 days1972: 366 of 366 days1973: 357 of 365 days1974: 365 of 365 days1975: 365 of 365 days1976: 334 of 366 days1977: 365 of 365 days1978: 334 of 365 days1979: 334 of 365 days1980: 362 of 366 days1981: 357 of 365 days1982: 357 of 365 days1983: 362 of 365 days197019751980
15 years of record at Oshawa Wpcp, 1969 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1969.
Days with data per year at Oshawa Wpcp
YearDays with dataShare of yearComplete
196913336%No
1970365100%Yes
1971365100%Yes
1972366100%Yes
197335798%Yes
1974365100%Yes
1975365100%Yes
197633491%Yes
1977365100%Yes
197833492%Yes
197933492%Yes
198036299%Yes
198135798%Yes
198235798%Yes
198336299%Yes

Latest Records

0

No records were set at this station in the latest data.

Climate Trend

11 complete years, 1970 to 1983
Annual mean temperature at Oshawa Wpcp as warming stripes, 1970 to 1983 One stripe for each of 11 complete years at Oshawa Wpcp, 1970 to 1983. Blue stripes are years cooler than the station's own mean of 7.4 C (45.4 F); red stripes are warmer. The coolest year was 1972, at 6.5 C (43.8 F), and the warmest was 1973, at 8.3 C (46.9 F). The strongest colour marks a difference of 1.0 C (1.8 F). 1970: 7.1 C, -0.3 C from the station mean1971: 7.5 C, 0.0 C from the station mean1972: 6.5 C, -0.9 C from the station mean1973: 8.3 C, +0.8 C from the station mean1974: 7.0 C, -0.4 C from the station mean1975: 8.2 C, +0.8 C from the station mean1977: 7.2 C, -0.2 C from the station mean1980: 7.1 C, -0.4 C from the station mean1981: 7.7 C, +0.2 C from the station mean1982: 7.0 C, -0.4 C from the station mean1983: 8.2 C, +0.7 C from the station mean1970197219741976197819801982
One stripe for each of 11 complete years at Oshawa Wpcp, 1970 to 1983. Blue stripes are years cooler than the station's own mean of 7.4 C (45.4 F); red stripes are warmer. The coolest year was 1972, at 6.5 C (43.8 F), and the warmest was 1973, at 8.3 C (46.9 F). The strongest colour marks a difference of 1.0 C (1.8 F).
Annual mean temperature at Oshawa Wpcp as warming stripes, 1970 to 1983
YearAnnual mean temperatureDifference from the station mean
19707.1 C-0.33 C
19717.5 C+0.04 C
19726.5 C-0.91 C
19738.3 C+0.84 C
19747.0 C-0.43 C
19758.2 C+0.80 C
19777.2 C-0.20 C
19807.1 C-0.37 C
19817.7 C+0.23 C
19827.0 C-0.41 C
19838.2 C+0.72 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1969 to 1983
Yearly extremes at Oshawa Wpcp: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)35.5 C (95.9 F)198331.1 C (88.0 F)15
Coldest night (TNn)-30.5 C (-22.9 F)1981-23.9 C (-11.0 F)15
Wettest day (Rx1day)144.8 mm (5.7 in)197139.1 mm (1.5 in)15
Wettest five days (Rx5day)166.9 mm (6.6 in)197160.2 mm (2.4 in)15
Longest dry spell (CDD)18 days196914 days15

Hottest day (TXx)

Hottest day (TXx) at Oshawa Wpcp by year The hottest day of the year at Oshawa Wpcp, 1969 to 1983. The record is 35.5 C (95.9 F) in 1983, marked on the chart; the median year is 31.1 C (88.0 F). 2830323436197019751980Record: 35.5 C (95.9 F) in 1983
The hottest day of the year at Oshawa Wpcp, 1969 to 1983. The record is 35.5 C (95.9 F) in 1983, marked on the chart; the median year is 31.1 C (88.0 F).
Hottest day (TXx) at Oshawa Wpcp by year
YearHottest day (TXx)
196930.6 C (87.1 F)
197030.6 C (87.1 F)
197132.2 C (90.0 F)
197230.0 C (86.0 F)
197333.3 C (91.9 F)
197432.8 C (91.0 F)
197532.2 C (90.0 F)
197631.1 C (88.0 F)
197735.0 C (95.0 F)
197830.5 C (86.9 F)
197929.0 C (84.2 F)
198029.5 C (85.1 F)
198134.5 C (94.1 F)
198229.5 C (85.1 F)
198335.5 C (95.9 F)

Coldest night (TNn)

Coldest night (TNn) at Oshawa Wpcp by year The coldest night of the year at Oshawa Wpcp, 1969 to 1983. The record is -30.5 C (-22.9 F) in 1981, marked on the chart; the median year is -23.9 C (-11.0 F). -35-30-25-20197019751980Record: -30.5 C (-22.9 F) in 1981
The coldest night of the year at Oshawa Wpcp, 1969 to 1983. The record is -30.5 C (-22.9 F) in 1981, marked on the chart; the median year is -23.9 C (-11.0 F).
Coldest night (TNn) at Oshawa Wpcp by year
YearColdest night (TNn)
1969-23.3 C (-9.9 F)
1970-25.0 C (-13.0 F)
1971-23.9 C (-11.0 F)
1972-22.8 C (-9.0 F)
1973-22.8 C (-9.0 F)
1974-20.0 C (-4.0 F)
1975-21.1 C (-6.0 F)
1976-27.8 C (-18.0 F)
1977-27.0 C (-16.6 F)
1978-22.0 C (-7.6 F)
1979-27.0 C (-16.6 F)
1980-29.0 C (-20.2 F)
1981-30.5 C (-22.9 F)
1982-28.0 C (-18.4 F)
1983-22.0 C (-7.6 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Oshawa Wpcp by year The wettest day of the year at Oshawa Wpcp, 1969 to 1983. The record is 144.8 mm (5.7 in) in 1971, marked on the chart; the median year is 39.1 mm (1.5 in). 050100150197019751980Record: 144.8 mm (5.7 in) in 1971
The wettest day of the year at Oshawa Wpcp, 1969 to 1983. The record is 144.8 mm (5.7 in) in 1971, marked on the chart; the median year is 39.1 mm (1.5 in).
Wettest day (Rx1day) at Oshawa Wpcp by year
YearWettest day (Rx1day)
196935.6 mm (1.4 in)
197028.2 mm (1.1 in)
1971144.8 mm (5.7 in)
197239.1 mm (1.5 in)
197327.4 mm (1.1 in)
197436.1 mm (1.4 in)
197535.6 mm (1.4 in)
197640.6 mm (1.6 in)
197743.8 mm (1.7 in)
197830.8 mm (1.2 in)
197953.0 mm (2.1 in)
198046.0 mm (1.8 in)
198154.6 mm (2.1 in)
198241.8 mm (1.6 in)
198331.0 mm (1.2 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Oshawa Wpcp by year The wettest five days of the year at Oshawa Wpcp, 1969 to 1983. The record is 166.9 mm (6.6 in) in 1971, marked on the chart; the median year is 60.2 mm (2.4 in). 050100150200197019751980Record: 166.9 mm (6.6 in) in 1971
The wettest five days of the year at Oshawa Wpcp, 1969 to 1983. The record is 166.9 mm (6.6 in) in 1971, marked on the chart; the median year is 60.2 mm (2.4 in).
Wettest five days (Rx5day) at Oshawa Wpcp by year
YearWettest five days (Rx5day)
196951.6 mm (2.0 in)
197048.0 mm (1.9 in)
1971166.9 mm (6.6 in)
197255.3 mm (2.2 in)
197368.6 mm (2.7 in)
197460.2 mm (2.4 in)
197538.6 mm (1.5 in)
197659.2 mm (2.3 in)
197761.6 mm (2.4 in)
197853.2 mm (2.1 in)
197973.6 mm (2.9 in)
198071.2 mm (2.8 in)
198190.4 mm (3.6 in)
198262.6 mm (2.5 in)
198350.4 mm (2.0 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Oshawa Wpcp by year The longest dry spell of the year at Oshawa Wpcp, 1969 to 1983. The record is 18 days in 1969, marked on the chart; the median year is 14 days. 12141618197019751980Record: 18 days in 1969
The longest dry spell of the year at Oshawa Wpcp, 1969 to 1983. The record is 18 days in 1969, marked on the chart; the median year is 14 days.
Longest dry spell (CDD) at Oshawa Wpcp by year
YearLongest dry spell (CDD)
196918 days
197016 days
197112 days
197214 days
197318 days
197412 days
197513 days
197615 days
197716 days
197814 days
197916 days
198013 days
198113 days
198218 days
198312 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

  • Data for Oshawa Wpcp standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Oshawa Wpcp threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-16).