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Built 2026-10-14 (14 October 2026)

Roseville Weather Records (CA006147188)

Record envelope, standing records and threshold days for Roseville (CA006147188), Ontario, Canada, with 53 years of record.

Key Facts for Roseville

  • Roseville (CA006147188) is a weather station in Ontario, Canada at 43.35 latitude and -80.47 longitude, 328 m (1,076 ft) above sea level.
  • The station reports from 1972 to 2024, 53 years of record.
  • 1,464 records set at Roseville 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, 43.35 latitude, -80.47 longitude.
  • Elevation: 328 m (1,076 ft).
  • Period of record: 1972 to 2024, 53 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Roseville, with 2026 drawn through them The band shows the record high and record low for each calendar day at Roseville. 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 Roseville. 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 Roseville, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan10.6 C (51.1 F)-31.7 C (-25.1 F)n/an/a
Feb10.6 C (51.1 F)-28.5 C (-19.3 F)n/an/a
Mar21.1 C (70.0 F)-25.0 C (-13.0 F)n/an/a
Apr27.2 C (81.0 F)-11.7 C (10.9 F)n/an/a
May31.7 C (89.1 F)-4.0 C (24.8 F)n/an/a
Jun32.5 C (90.5 F)1.0 C (33.8 F)n/an/a
Jul33.0 C (91.4 F)5.6 C (42.1 F)n/an/a
Aug33.9 C (93.0 F)2.8 C (37.0 F)n/an/a
Sep33.9 C (93.0 F)-3.3 C (26.1 F)n/an/a
Oct25.0 C (77.0 F)-7.8 C (18.0 F)n/an/a
Nov20.0 C (68.0 F)-13.0 C (8.6 F)n/an/a
Dec18.5 C (65.3 F)-26.5 C (-15.7 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Roseville by the year they were set 1,464 records at Roseville still stand. 1976 holds the most, with 173. 0501001502001972: 211973: 1411974: 1201975: 1211976: 1731977: 1331978: 1191979: 1421980: 1151981: 1091982: 1261983: 144197219741976197819801982
1,464 records at Roseville still stand. 1976 holds the most, with 173.
Standing records at Roseville by the year they were set
Year setStanding records
197221
1973141
1974120
1975121
1976173
1977133
1978119
1979142
1980115
1981109
1982126
1983144

Wettest Day of Each Month

Aug: 75.9 mm (3.0 in)
Record daily precipitation for each month at Roseville The wettest day on record for each calendar month at Roseville. The most was 75.9 mm (3.0 in) on 23 August 1975. 020406080 Jan: 18.3 mm (0.7 in), 26 January 1974 Jan Feb: 38.0 mm (1.5 in), 10 February 1981 Feb Mar: 41.0 mm (1.6 in), 30 March 1982 Mar Apr: 41.0 mm (1.6 in), 13 April 1979 Apr May: 45.0 mm (1.8 in), 16 May 1974 May Jun: 32.5 mm (1.3 in), 27 June 1983 Jun Jul: 37.7 mm (1.5 in), 28 July 1981 Jul Aug: 75.9 mm (3.0 in), 23 August 1975 Aug Sep: 65.0 mm (2.6 in), 17 September 1976 Sep Oct: 41.1 mm (1.6 in), 22 October 1972 Oct Nov: 38.4 mm (1.5 in), 20 November 1974 Nov Dec: 32.4 mm (1.3 in), 24 December 1979 Dec
The wettest day on record for each calendar month at Roseville. The most was 75.9 mm (3.0 in) on 23 August 1975.
Record daily precipitation for each month at Roseville
MonthRecord daily precipitation (mm)Date
Jan18.3 mm (0.7 in)26 January 1974
Feb38.0 mm (1.5 in)10 February 1981
Mar41.0 mm (1.6 in)30 March 1982
Apr41.0 mm (1.6 in)13 April 1979
May45.0 mm (1.8 in)16 May 1974
Jun32.5 mm (1.3 in)27 June 1983
Jul37.7 mm (1.5 in)28 July 1981
Aug75.9 mm (3.0 in)23 August 1975
Sep65.0 mm (2.6 in)17 September 1976
Oct41.1 mm (1.6 in)22 October 1972
Nov38.4 mm (1.5 in)20 November 1974
Dec32.4 mm (1.3 in)24 December 1979

Period of Record Coverage

1972 to 1983
Days with data per year at Roseville 12 years of record at Roseville, 1972 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1972. 1972: 76 of 366 days1973: 360 of 365 days1974: 360 of 365 days1975: 359 of 365 days1976: 364 of 366 days1977: 330 of 365 days1978: 361 of 365 days1979: 338 of 365 days1980: 358 of 366 days1981: 365 of 365 days1982: 359 of 365 days1983: 351 of 365 days19751980
12 years of record at Roseville, 1972 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1972.
Days with data per year at Roseville
YearDays with dataShare of yearComplete
19727621%No
197336099%Yes
197436099%Yes
197535998%Yes
197636499%Yes
197733090%Yes
197836199%Yes
197933893%Yes
198035898%Yes
1981365100%Yes
198235998%Yes
198335196%Yes

Latest Records

0

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

Extremes by Year

1972 to 1983
Yearly extremes at Roseville: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)33.9 C (93.0 F)197331.9 C (89.3 F)12
Coldest night (TNn)-31.7 C (-25.1 F)1976-25.8 C (-14.4 F)12
Wettest day (Rx1day)75.9 mm (3.0 in)197546.5 mm (1.8 in)12
Wettest five days (Rx5day)105.1 mm (4.1 in)197567.3 mm (2.6 in)12
Longest dry spell (CDD)27 days197315 days12

Hottest day (TXx)

Hottest day (TXx) at Roseville by year The hottest day of the year at Roseville, 1972 to 1983. The record is 33.9 C (93.0 F) in 1973, marked on the chart; the median year is 31.9 C (89.3 F). 152025303519751980Record: 33.9 C (93.0 F) in 1973
The hottest day of the year at Roseville, 1972 to 1983. The record is 33.9 C (93.0 F) in 1973, marked on the chart; the median year is 31.9 C (89.3 F).
Hottest day (TXx) at Roseville by year
YearHottest day (TXx)
197215.6 C (60.1 F)
197333.9 C (93.0 F)
197432.2 C (90.0 F)
197533.9 C (93.0 F)
197631.1 C (88.0 F)
197732.8 C (91.0 F)
197833.0 C (91.4 F)
197931.0 C (87.8 F)
198031.5 C (88.7 F)
198131.0 C (87.8 F)
198230.0 C (86.0 F)
198332.5 C (90.5 F)

Coldest night (TNn)

Coldest night (TNn) at Roseville by year The coldest night of the year at Roseville, 1972 to 1983. The record is -31.7 C (-25.1 F) in 1976, marked on the chart; the median year is -25.8 C (-14.4 F). -35-30-25-20-1519751980Record: -31.7 C (-25.1 F) in 1976
The coldest night of the year at Roseville, 1972 to 1983. The record is -31.7 C (-25.1 F) in 1976, marked on the chart; the median year is -25.8 C (-14.4 F).
Coldest night (TNn) at Roseville by year
YearColdest night (TNn)
1972-15.6 C (3.9 F)
1973-24.4 C (-11.9 F)
1974-22.2 C (-8.0 F)
1975-24.4 C (-11.9 F)
1976-31.7 C (-25.1 F)
1977-30.6 C (-23.1 F)
1978-26.1 C (-15.0 F)
1979-27.5 C (-17.5 F)
1980-26.5 C (-15.7 F)
1981-30.0 C (-22.0 F)
1982-25.5 C (-13.9 F)
1983-21.5 C (-6.7 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Roseville by year The wettest day of the year at Roseville, 1972 to 1983. The record is 75.9 mm (3.0 in) in 1975, marked on the chart; the median year is 46.5 mm (1.8 in). 2040608019751980Record: 75.9 mm (3.0 in) in 1975
The wettest day of the year at Roseville, 1972 to 1983. The record is 75.9 mm (3.0 in) in 1975, marked on the chart; the median year is 46.5 mm (1.8 in).
Wettest day (Rx1day) at Roseville by year
YearWettest day (Rx1day)
197241.1 mm (1.6 in)
197332.5 mm (1.3 in)
197445.0 mm (1.8 in)
197575.9 mm (3.0 in)
197665.0 mm (2.6 in)
197748.0 mm (1.9 in)
197827.6 mm (1.1 in)
197956.0 mm (2.2 in)
198036.5 mm (1.4 in)
198157.0 mm (2.2 in)
198264.0 mm (2.5 in)
198343.4 mm (1.7 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Roseville by year The wettest five days of the year at Roseville, 1972 to 1983. The record is 105.1 mm (4.1 in) in 1975, marked on the chart; the median year is 67.3 mm (2.6 in). 40608010012019751980Record: 105.1 mm (4.1 in) in 1975
The wettest five days of the year at Roseville, 1972 to 1983. The record is 105.1 mm (4.1 in) in 1975, marked on the chart; the median year is 67.3 mm (2.6 in).
Wettest five days (Rx5day) at Roseville by year
YearWettest five days (Rx5day)
197261.4 mm (2.4 in)
197371.9 mm (2.8 in)
197464.2 mm (2.5 in)
1975105.1 mm (4.1 in)
197684.8 mm (3.3 in)
197765.3 mm (2.6 in)
197859.9 mm (2.4 in)
197969.3 mm (2.7 in)
198057.1 mm (2.2 in)
1981103.3 mm (4.1 in)
198270.0 mm (2.8 in)
198354.2 mm (2.1 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Roseville by year The longest dry spell of the year at Roseville, 1972 to 1983. The record is 27 days in 1973, marked on the chart; the median year is 15 days. 101520253019751980Record: 27 days in 1973
The longest dry spell of the year at Roseville, 1972 to 1983. The record is 27 days in 1973, marked on the chart; the median year is 15 days.
Longest dry spell (CDD) at Roseville by year
YearLongest dry spell (CDD)
197210 days
197327 days
197411 days
197520 days
197614 days
197710 days
197816 days
197916 days
198013 days
198113 days
198216 days
198320 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 Roseville standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Roseville 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-13).