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Built 2026-10-17 (17 October 2026)

Sarnia Airport Weather Records (CA006127514)

Record envelope, standing records and threshold days for Sarnia Airport (CA006127514), Ontario, Canada, with 41 years of record.

Key Facts for Sarnia Airport

  • Sarnia Airport (CA006127514) is a weather station in Ontario, Canada at 43.00 latitude and -82.30 longitude, 181 m (594 ft) above sea level.
  • The station reports from 1967 to 2007, 41 years of record.
  • 1,464 records set at Sarnia Airport 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, 43.00 latitude, -82.30 longitude.
  • Elevation: 181 m (594 ft).
  • Period of record: 1967 to 2007, 41 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Sarnia Airport, with 2026 drawn through them The band shows the record high and record low for each calendar day at Sarnia Airport. 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 Sarnia Airport. 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 Sarnia Airport, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan11.1 C (52.0 F)-28.9 C (-20.0 F)n/an/a
Feb14.4 C (57.9 F)-26.9 C (-16.4 F)n/an/a
Mar22.7 C (72.9 F)-25.6 C (-14.1 F)n/an/a
Apr28.5 C (83.3 F)-10.0 C (14.0 F)n/an/a
May32.1 C (89.8 F)-3.0 C (26.6 F)n/an/a
Jun37.8 C (100.0 F)-1.1 C (30.0 F)n/an/a
Jul36.6 C (97.9 F)6.1 C (43.0 F)n/an/a
Aug34.8 C (94.6 F)3.4 C (38.1 F)n/an/a
Sep34.4 C (93.9 F)-1.1 C (30.0 F)n/an/a
Oct29.4 C (84.9 F)-8.9 C (16.0 F)n/an/a
Nov23.3 C (73.9 F)-12.8 C (9.0 F)n/an/a
Dec17.8 C (64.0 F)-22.1 C (-7.8 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Sarnia Airport by the year they were set 1,464 records at Sarnia Airport still stand. 1976 holds the most, with 124. 0501001501967: 81968: 811970: 911971: 1061972: 1011973: 1171974: 841975: 901976: 1241977: 1071978: 761979: 1191980: 801981: 731982: 991983: 10819671970197219741976197819801982
1,464 records at Sarnia Airport still stand. 1976 holds the most, with 124.
Standing records at Sarnia Airport by the year they were set
Year setStanding records
19678
196881
197091
1971106
1972101
1973117
197484
197590
1976124
1977107
197876
1979119
198080
198173
198299
1983108

Wettest Day of Each Month

Jun: 64.8 mm (2.6 in)
Record daily precipitation for each month at Sarnia Airport The wettest day on record for each calendar month at Sarnia Airport. The most was 64.8 mm (2.6 in) on 14 June 1970. 020406080 Jan: 31.4 mm (1.2 in), 26 January 1978 Jan Feb: 26.9 mm (1.1 in), 22 February 1974 Feb Mar: 46.2 mm (1.8 in), 4 March 1974 Mar Apr: 49.5 mm (1.9 in), 25 April 1976 Apr May: 33.2 mm (1.3 in), 10 May 1981 May Jun: 64.8 mm (2.6 in), 14 June 1970 Jun Jul: 34.0 mm (1.3 in), 27 July 1968 Jul Aug: 52.2 mm (2.1 in), 24 August 1982 Aug Sep: 45.7 mm (1.8 in), 3 September 1981 Sep Oct: 63.8 mm (2.5 in), 1 October 1979 Oct Nov: 28.2 mm (1.1 in), 3 November 1970 Nov Dec: 37.6 mm (1.5 in), 21 December 1967 Dec
The wettest day on record for each calendar month at Sarnia Airport. The most was 64.8 mm (2.6 in) on 14 June 1970.
Record daily precipitation for each month at Sarnia Airport
MonthRecord daily precipitation (mm)Date
Jan31.4 mm (1.2 in)26 January 1978
Feb26.9 mm (1.1 in)22 February 1974
Mar46.2 mm (1.8 in)4 March 1974
Apr49.5 mm (1.9 in)25 April 1976
May33.2 mm (1.3 in)10 May 1981
Jun64.8 mm (2.6 in)14 June 1970
Jul34.0 mm (1.3 in)27 July 1968
Aug52.2 mm (2.1 in)24 August 1982
Sep45.7 mm (1.8 in)3 September 1981
Oct63.8 mm (2.5 in)1 October 1979
Nov28.2 mm (1.1 in)3 November 1970
Dec37.6 mm (1.5 in)21 December 1967

Period of Record Coverage

1967 to 1983
Days with data per year at Sarnia Airport 16 years of record at Sarnia Airport, 1967 to 1983. 2 years have data for under 90 percent of days and are left out of rankings: 1967, 1968. 1967: 21 of 365 days1968: 320 of 366 days1970: 365 of 365 days1971: 347 of 365 days1972: 366 of 366 days1973: 365 of 365 days1974: 365 of 365 days1975: 365 of 365 days1976: 366 of 366 days1977: 365 of 365 days1978: 365 of 365 days1979: 365 of 365 days1980: 363 of 366 days1981: 364 of 365 days1982: 365 of 365 days1983: 365 of 365 days197019751980
16 years of record at Sarnia Airport, 1967 to 1983. 2 years have data for under 90 percent of days and are left out of rankings: 1967, 1968.
Days with data per year at Sarnia Airport
YearDays with dataShare of yearComplete
1967216%No
196832087%No
1970365100%Yes
197134795%Yes
1972366100%Yes
1973365100%Yes
1974365100%Yes
1975365100%Yes
1976366100%Yes
1977365100%Yes
1978365100%Yes
1979365100%Yes
198036399%Yes
1981364100%Yes
1982365100%Yes
1983365100%Yes

Latest Records

0

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

Climate Trend

14 complete years, 1970 to 1983
Annual mean temperature at Sarnia Airport as warming stripes, 1970 to 1983 One stripe for each of 14 complete years at Sarnia Airport, 1970 to 1983. Blue stripes are years cooler than the station's own mean of 7.8 C (46.0 F); red stripes are warmer. The coolest year was 1972, at 6.7 C (44.1 F), and the warmest was 1973, at 9.1 C (48.3 F). The strongest colour marks a difference of 1.3 C (2.3 F). 1970: 8.2 C, +0.4 C from the station mean1971: 8.3 C, +0.5 C from the station mean1972: 6.7 C, -1.1 C from the station mean1973: 9.1 C, +1.3 C from the station mean1974: 7.7 C, -0.1 C from the station mean1975: 8.5 C, +0.7 C from the station mean1976: 7.4 C, -0.4 C from the station mean1977: 8.0 C, +0.2 C from the station mean1978: 6.8 C, -1.0 C from the station mean1979: 7.3 C, -0.5 C from the station mean1980: 7.2 C, -0.6 C from the station mean1981: 8.0 C, +0.2 C from the station mean1982: 7.6 C, -0.2 C from the station mean1983: 8.4 C, +0.6 C from the station mean1970197219741976197819801982
One stripe for each of 14 complete years at Sarnia Airport, 1970 to 1983. Blue stripes are years cooler than the station's own mean of 7.8 C (46.0 F); red stripes are warmer. The coolest year was 1972, at 6.7 C (44.1 F), and the warmest was 1973, at 9.1 C (48.3 F). The strongest colour marks a difference of 1.3 C (2.3 F).
Annual mean temperature at Sarnia Airport as warming stripes, 1970 to 1983
YearAnnual mean temperatureDifference from the station mean
19708.2 C+0.44 C
19718.3 C+0.50 C
19726.7 C-1.07 C
19739.1 C+1.26 C
19747.7 C-0.12 C
19758.5 C+0.73 C
19767.4 C-0.39 C
19778.0 C+0.16 C
19786.8 C-0.98 C
19797.3 C-0.46 C
19807.2 C-0.60 C
19818.0 C+0.17 C
19827.6 C-0.23 C
19838.4 C+0.60 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

1967 to 1983
Yearly extremes at Sarnia Airport: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)37.8 C (100.0 F)197134.0 C (93.1 F)16
Coldest night (TNn)-28.9 C (-20.0 F)1976-22.1 C (-7.9 F)16
Wettest day (Rx1day)64.8 mm (2.6 in)197042.3 mm (1.7 in)16
Wettest five days (Rx5day)91.8 mm (3.6 in)197064.5 mm (2.5 in)16
Longest dry spell (CDD)27 days197316 days16

Hottest day (TXx)

Hottest day (TXx) at Sarnia Airport by year The hottest day of the year at Sarnia Airport, 1967 to 1983. The record is 37.8 C (100.0 F) in 1971, marked on the chart; the median year is 34.0 C (93.1 F). 10203040197019751980Record: 37.8 C (100.0 F) in 1971
The hottest day of the year at Sarnia Airport, 1967 to 1983. The record is 37.8 C (100.0 F) in 1971, marked on the chart; the median year is 34.0 C (93.1 F).
Hottest day (TXx) at Sarnia Airport by year
YearHottest day (TXx)
196715.0 C (59.0 F)
196832.2 C (90.0 F)
197032.2 C (90.0 F)
197137.8 C (100.0 F)
197233.9 C (93.0 F)
197334.4 C (93.9 F)
197435.0 C (95.0 F)
197534.4 C (93.9 F)
197632.8 C (91.0 F)
197736.6 C (97.9 F)
197834.0 C (93.2 F)
197933.5 C (92.3 F)
198032.5 C (90.5 F)
198134.0 C (93.2 F)
198232.1 C (89.8 F)
198335.0 C (95.0 F)

Coldest night (TNn)

Coldest night (TNn) at Sarnia Airport by year The coldest night of the year at Sarnia Airport, 1967 to 1983. The record is -28.9 C (-20.0 F) in 1976, marked on the chart; the median year is -22.1 C (-7.9 F). -30-25-20-15197019751980Record: -28.9 C (-20.0 F) in 1976
The coldest night of the year at Sarnia Airport, 1967 to 1983. The record is -28.9 C (-20.0 F) in 1976, marked on the chart; the median year is -22.1 C (-7.9 F).
Coldest night (TNn) at Sarnia Airport by year
YearColdest night (TNn)
1967-15.6 C (3.9 F)
1968-21.7 C (-7.1 F)
1970-22.8 C (-9.0 F)
1971-21.1 C (-6.0 F)
1972-23.3 C (-9.9 F)
1973-20.6 C (-5.1 F)
1974-22.2 C (-8.0 F)
1975-18.3 C (-0.9 F)
1976-28.9 C (-20.0 F)
1977-21.8 C (-7.2 F)
1978-26.9 C (-16.4 F)
1979-26.2 C (-15.2 F)
1980-19.6 C (-3.3 F)
1981-23.0 C (-9.4 F)
1982-24.2 C (-11.6 F)
1983-22.1 C (-7.8 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Sarnia Airport by year The wettest day of the year at Sarnia Airport, 1967 to 1983. The record is 64.8 mm (2.6 in) in 1970, marked on the chart; the median year is 42.3 mm (1.7 in). 203040506070197019751980Record: 64.8 mm (2.6 in) in 1970
The wettest day of the year at Sarnia Airport, 1967 to 1983. The record is 64.8 mm (2.6 in) in 1970, marked on the chart; the median year is 42.3 mm (1.7 in).
Wettest day (Rx1day) at Sarnia Airport by year
YearWettest day (Rx1day)
196737.6 mm (1.5 in)
196834.0 mm (1.3 in)
197064.8 mm (2.6 in)
197143.7 mm (1.7 in)
197236.6 mm (1.4 in)
197340.9 mm (1.6 in)
197446.2 mm (1.8 in)
197545.2 mm (1.8 in)
197649.5 mm (1.9 in)
197735.0 mm (1.4 in)
197831.4 mm (1.2 in)
197963.8 mm (2.5 in)
198029.2 mm (1.1 in)
198145.7 mm (1.8 in)
198252.2 mm (2.1 in)
198336.3 mm (1.4 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Sarnia Airport by year The wettest five days of the year at Sarnia Airport, 1967 to 1983. The record is 91.8 mm (3.6 in) in 1970, marked on the chart; the median year is 64.5 mm (2.5 in). 406080100197019751980Record: 91.8 mm (3.6 in) in 1970
The wettest five days of the year at Sarnia Airport, 1967 to 1983. The record is 91.8 mm (3.6 in) in 1970, marked on the chart; the median year is 64.5 mm (2.5 in).
Wettest five days (Rx5day) at Sarnia Airport by year
YearWettest five days (Rx5day)
196752.6 mm (2.1 in)
196849.8 mm (2.0 in)
197091.8 mm (3.6 in)
197143.7 mm (1.7 in)
197291.4 mm (3.6 in)
197375.7 mm (3.0 in)
197462.2 mm (2.4 in)
197575.4 mm (3.0 in)
197665.2 mm (2.6 in)
197766.0 mm (2.6 in)
197848.9 mm (1.9 in)
197971.0 mm (2.8 in)
198053.8 mm (2.1 in)
198181.3 mm (3.2 in)
198263.8 mm (2.5 in)
198357.6 mm (2.3 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Sarnia Airport by year The longest dry spell of the year at Sarnia Airport, 1967 to 1983. The record is 27 days in 1973, marked on the chart; the median year is 16 days. 0102030197019751980Record: 27 days in 1973
The longest dry spell of the year at Sarnia Airport, 1967 to 1983. The record is 27 days in 1973, marked on the chart; the median year is 16 days.
Longest dry spell (CDD) at Sarnia Airport by year
YearLongest dry spell (CDD)
19676 days
196823 days
197026 days
197115 days
197215 days
197327 days
19749 days
197515 days
197625 days
197720 days
197819 days
197916 days
198013 days
198121 days
198214 days
198316 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 Sarnia Airport standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Sarnia Airport 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-15).