Ridgeville Weather Records (CA006137161)

Record envelope, standing records and threshold days for Ridgeville (CA006137161), Ontario, Canada, with 73 years of record.

Key Facts for Ridgeville

Ridgeville (CA006137161) is a weather station in Ontario, Canada at 43.05 latitude and -79.33 longitude, 236 m (774 ft) above sea level.
The station reports from 1950 to 2022, 73 years of record.
1,464 records set at Ridgeville 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, 43.05 latitude, -79.33 longitude.
Elevation: 236 m (774 ft).
Period of record: 1950 to 2022, 73 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Ridgeville. 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 Ridgeville, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	12.8 C (55.0 F)	-25.0 C (-13.0 F)	n/a	n/a
Feb	15.0 C (59.0 F)	-24.4 C (-11.9 F)	n/a	n/a
Mar	23.3 C (73.9 F)	-21.0 C (-5.8 F)	n/a	n/a
Apr	27.8 C (82.0 F)	-11.7 C (10.9 F)	n/a	n/a
May	30.6 C (87.1 F)	-3.5 C (25.7 F)	n/a	n/a
Jun	32.2 C (90.0 F)	2.8 C (37.0 F)	n/a	n/a
Jul	34.0 C (93.2 F)	5.0 C (41.0 F)	n/a	n/a
Aug	34.4 C (93.9 F)	5.0 C (41.0 F)	n/a	n/a
Sep	33.9 C (93.0 F)	1.1 C (34.0 F)	n/a	n/a
Oct	29.4 C (84.9 F)	-3.9 C (25.0 F)	n/a	n/a
Nov	25.0 C (77.0 F)	-12.2 C (10.0 F)	n/a	n/a
Dec	20.0 C (68.0 F)	-26.0 C (-14.8 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Ridgeville still stand. 1976 holds the most, with 92.

Standing records at Ridgeville by the year they were set
Year set	Standing records
1950	72
1951	61
1952	57
1953	40
1954	39
1955	35
1956	58
1957	52
1958	22
1959	50
1960	16
1961	36
1962	31
1970	59
1971	50
1972	63
1973	51
1974	60
1975	61
1976	92
1977	69
1978	42
1979	91
1980	40
1981	69
1982	71
1983	77

Wettest Day of Each Month

Nov: 98.0 mm (3.9 in)

The wettest day on record for each calendar month at Ridgeville. The most was 98.0 mm (3.9 in) on 20 November 1983.

Record daily precipitation for each month at Ridgeville
Month	Record daily precipitation (mm)	Date
Jan	41.2 mm (1.6 in)	24 January 1979
Feb	31.8 mm (1.3 in)	26 February 1957
Mar	34.8 mm (1.4 in)	17 March 1973
Apr	30.2 mm (1.2 in)	27 April 1973
May	50.0 mm (2.0 in)	6 May 1976
Jun	52.4 mm (2.1 in)	21 June 1981
Jul	42.6 mm (1.7 in)	26 July 1978
Aug	63.5 mm (2.5 in)	9 August 1952
Sep	50.2 mm (2.0 in)	30 September 1978
Oct	52.1 mm (2.1 in)	2 October 1954
Nov	98.0 mm (3.9 in)	20 November 1983
Dec	43.2 mm (1.7 in)	13 December 1973

Period of Record Coverage

1950 to 1983

27 years of record at Ridgeville, 1950 to 1983. 12 years have data for under 90 percent of days and are left out of rankings: 1950, 1951, 1953, 1954, 1955, 1956, 1957, 1958 and others.

Days with data per year at Ridgeville
Year	Days with data	Share of year	Complete
1950	310	85%	No
1951	322	88%	No
1952	332	91%	Yes
1953	225	62%	No
1954	252	69%	No
1955	133	36%	No
1956	329	90%	No
1957	281	77%	No
1958	299	82%	No
1959	205	56%	No
1960	213	58%	No
1961	204	56%	No
1962	236	65%	No
1970	332	91%	Yes
1971	333	91%	Yes
1972	366	100%	Yes
1973	332	91%	Yes
1974	362	99%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	364	100%	Yes
1979	364	100%	Yes
1980	365	100%	Yes
1981	364	100%	Yes
1982	363	99%	Yes
1983	363	99%	Yes

Latest Records

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

Climate Trend

11 complete years, 1972 to 1983

One stripe for each of 11 complete years at Ridgeville, 1972 to 1983. Blue stripes are years cooler than the station's own mean of 8.0 C (46.5 F); red stripes are warmer. The coolest year was 1978, at 7.3 C (45.2 F), and the warmest was 1975, at 9.0 C (48.3 F). The strongest colour marks a difference of 1.1 C (2.0 F).

Annual mean temperature at Ridgeville as warming stripes, 1972 to 1983
Year	Annual mean temperature	Difference from the station mean
1972	7.5 C	-0.53 C
1974	8.1 C	+0.09 C
1975	9.0 C	+1.01 C
1976	7.5 C	-0.52 C
1977	8.1 C	+0.10 C
1978	7.3 C	-0.70 C
1979	7.9 C	-0.11 C
1980	7.6 C	-0.46 C
1981	8.1 C	+0.07 C
1982	8.2 C	+0.21 C
1983	8.9 C	+0.85 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

1950 to 1983

Yearly extremes at Ridgeville: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	34.4 C (93.9 F)	1975	31.1 C (88.0 F)	27
Coldest night (TNn)	-26.0 C (-14.8 F)	1980	-20.6 C (-5.1 F)	27
Wettest day (Rx1day)	98.0 mm (3.9 in)	1983	40.6 mm (1.6 in)	27
Wettest five days (Rx5day)	110.0 mm (4.3 in)	1983	58.8 mm (2.3 in)	27
Longest dry spell (CDD)	27 days	1952	16 days	27

Hottest day (TXx)

The hottest day of the year at Ridgeville, 1950 to 1983. The record is 34.4 C (93.9 F) in 1975, marked on the chart; the median year is 31.1 C (88.0 F).

Hottest day (TXx) at Ridgeville by year
Year	Hottest day (TXx)
1950	31.1 C (88.0 F)
1951	31.1 C (88.0 F)
1952	32.8 C (91.0 F)
1953	33.9 C (93.0 F)
1954	31.1 C (88.0 F)
1955	33.3 C (91.9 F)
1956	30.0 C (86.0 F)
1957	31.1 C (88.0 F)
1958	29.4 C (84.9 F)
1959	32.2 C (90.0 F)
1960	30.0 C (86.0 F)
1961	30.6 C (87.1 F)
1962	30.6 C (87.1 F)
1970	31.7 C (89.1 F)
1971	30.6 C (87.1 F)
1972	31.7 C (89.1 F)
1973	32.8 C (91.0 F)
1974	30.6 C (87.1 F)
1975	34.4 C (93.9 F)
1976	30.0 C (86.0 F)
1977	33.0 C (91.4 F)
1978	33.0 C (91.4 F)
1979	30.0 C (86.0 F)
1980	31.5 C (88.7 F)
1981	31.5 C (88.7 F)
1982	31.0 C (87.8 F)
1983	34.0 C (93.2 F)

Coldest night (TNn)

The coldest night of the year at Ridgeville, 1950 to 1983. The record is -26.0 C (-14.8 F) in 1980, marked on the chart; the median year is -20.6 C (-5.1 F).

Coldest night (TNn) at Ridgeville by year
Year	Coldest night (TNn)
1950	-20.6 C (-5.1 F)
1951	-18.3 C (-0.9 F)
1952	-17.8 C (0.0 F)
1953	-5.6 C (21.9 F)
1954	-15.0 C (5.0 F)
1955	-16.1 C (3.0 F)
1956	-15.6 C (3.9 F)
1957	-21.1 C (-6.0 F)
1958	-20.6 C (-5.1 F)
1959	-8.3 C (17.1 F)
1960	-5.6 C (21.9 F)
1961	-6.7 C (19.9 F)
1962	-14.4 C (6.1 F)
1970	-23.3 C (-9.9 F)
1971	-21.7 C (-7.1 F)
1972	-21.7 C (-7.1 F)
1973	-20.6 C (-5.1 F)
1974	-22.2 C (-8.0 F)
1975	-16.7 C (1.9 F)
1976	-25.0 C (-13.0 F)
1977	-24.4 C (-11.9 F)
1978	-20.0 C (-4.0 F)
1979	-24.0 C (-11.2 F)
1980	-26.0 C (-14.8 F)
1981	-25.0 C (-13.0 F)
1982	-25.0 C (-13.0 F)
1983	-17.5 C (0.5 F)

Wettest day (Rx1day)

The wettest day of the year at Ridgeville, 1950 to 1983. The record is 98.0 mm (3.9 in) in 1983, marked on the chart; the median year is 40.6 mm (1.6 in).

Wettest day (Rx1day) at Ridgeville by year
Year	Wettest day (Rx1day)
1950	25.4 mm (1.0 in)
1951	26.7 mm (1.1 in)
1952	63.5 mm (2.5 in)
1953	48.8 mm (1.9 in)
1954	52.1 mm (2.1 in)
1955	35.6 mm (1.4 in)
1956	35.6 mm (1.4 in)
1957	39.4 mm (1.6 in)
1958	34.3 mm (1.4 in)
1959	48.3 mm (1.9 in)
1960	40.6 mm (1.6 in)
1961	40.6 mm (1.6 in)
1962	34.8 mm (1.4 in)
1970	27.9 mm (1.1 in)
1971	39.4 mm (1.6 in)
1972	34.0 mm (1.3 in)
1973	43.2 mm (1.7 in)
1974	31.5 mm (1.2 in)
1975	51.1 mm (2.0 in)
1976	50.0 mm (2.0 in)
1977	46.8 mm (1.8 in)
1978	50.2 mm (2.0 in)
1979	50.0 mm (2.0 in)
1980	36.8 mm (1.4 in)
1981	52.4 mm (2.1 in)
1982	37.8 mm (1.5 in)
1983	98.0 mm (3.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Ridgeville, 1950 to 1983. The record is 110.0 mm (4.3 in) in 1983, marked on the chart; the median year is 58.8 mm (2.3 in).

Wettest five days (Rx5day) at Ridgeville by year
Year	Wettest five days (Rx5day)
1950	48.5 mm (1.9 in)
1951	37.6 mm (1.5 in)
1952	63.5 mm (2.5 in)
1953	63.0 mm (2.5 in)
1954	53.3 mm (2.1 in)
1955	81.3 mm (3.2 in)
1956	54.4 mm (2.1 in)
1957	55.9 mm (2.2 in)
1958	52.4 mm (2.1 in)
1959	103.6 mm (4.1 in)
1960	50.3 mm (2.0 in)
1961	58.4 mm (2.3 in)
1962	57.6 mm (2.3 in)
1970	38.1 mm (1.5 in)
1971	43.2 mm (1.7 in)
1972	54.1 mm (2.1 in)
1973	85.6 mm (3.4 in)
1974	53.6 mm (2.1 in)
1975	58.8 mm (2.3 in)
1976	76.7 mm (3.0 in)
1977	96.0 mm (3.8 in)
1978	83.2 mm (3.3 in)
1979	81.6 mm (3.2 in)
1980	61.0 mm (2.4 in)
1981	80.2 mm (3.2 in)
1982	77.2 mm (3.0 in)
1983	110.0 mm (4.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Ridgeville, 1950 to 1983. The record is 27 days in 1952, marked on the chart; the median year is 16 days.

Longest dry spell (CDD) at Ridgeville by year
Year	Longest dry spell (CDD)
1950	15 days
1951	14 days
1952	27 days
1953	20 days
1954	15 days
1955	12 days
1956	18 days
1957	25 days
1958	18 days
1959	14 days
1960	19 days
1961	15 days
1962	6 days
1970	12 days
1971	14 days
1972	12 days
1973	15 days
1974	17 days
1975	22 days
1976	16 days
1977	26 days
1978	17 days
1979	17 days
1980	24 days
1981	13 days
1982	17 days
1983	14 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 Ridgeville standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Ridgeville 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 2026-10-13. Last revised 13 October 2026 (2026-10-13).