Picton Weather Records (CA006156533)

Record envelope, standing records and threshold days for Picton (CA006156533), Ontario, Canada, with 81 years of record.

Key Facts for Picton

Picton (CA006156533) is a weather station in Ontario, Canada at 44.02 latitude and -77.13 longitude, 76 m (249 ft) above sea level.
The station reports from 1915 to 1995, 81 years of record.
1,464 records set at Picton 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, 44.02 latitude, -77.13 longitude.
Elevation: 76 m (249 ft).
Period of record: 1915 to 1995, 81 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 Picton. 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 Picton, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	15.6 C (60.1 F)	-35.0 C (-31.0 F)	n/a	n/a
Feb	12.0 C (53.6 F)	-35.6 C (-32.1 F)	n/a	n/a
Mar	23.3 C (73.9 F)	-27.0 C (-16.6 F)	n/a	n/a
Apr	27.2 C (81.0 F)	-15.6 C (3.9 F)	n/a	n/a
May	28.9 C (84.0 F)	-4.4 C (24.1 F)	n/a	n/a
Jun	32.2 C (90.0 F)	0.6 C (33.1 F)	n/a	n/a
Jul	37.8 C (100.0 F)	5.0 C (41.0 F)	n/a	n/a
Aug	34.4 C (93.9 F)	3.3 C (37.9 F)	n/a	n/a
Sep	31.1 C (88.0 F)	-0.6 C (30.9 F)	n/a	n/a
Oct	26.0 C (78.8 F)	-7.2 C (19.0 F)	n/a	n/a
Nov	21.7 C (71.1 F)	-18.9 C (-2.0 F)	n/a	n/a
Dec	16.1 C (61.0 F)	-33.0 C (-27.4 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Picton still stand. 1934 holds the most, with 101.

Standing records at Picton by the year they were set
Year set	Standing records
1934	101
1935	67
1936	87
1937	58
1938	26
1965	73
1966	61
1967	68
1968	46
1969	50
1970	49
1971	63
1972	42
1973	70
1974	58
1975	58
1976	72
1977	63
1978	46
1979	88
1980	33
1981	63
1982	57
1983	65

Wettest Day of Each Month

Nov: 79.5 mm (3.1 in)

The wettest day on record for each calendar month at Picton. The most was 79.5 mm (3.1 in) on 13 November 1937.

Record daily precipitation for each month at Picton
Month	Record daily precipitation (mm)	Date
Jan	55.0 mm (2.2 in)	26 January 1978
Feb	32.2 mm (1.3 in)	2 February 1983
Mar	40.6 mm (1.6 in)	27 March 1934
Apr	43.2 mm (1.7 in)	21 April 1937
May	50.8 mm (2.0 in)	28 May 1935
Jun	74.2 mm (2.9 in)	26 June 1976
Jul	75.0 mm (3.0 in)	20 July 1980
Aug	65.2 mm (2.6 in)	31 August 1980
Sep	69.3 mm (2.7 in)	11 September 1968
Oct	67.0 mm (2.6 in)	25 October 1980
Nov	79.5 mm (3.1 in)	13 November 1937
Dec	41.9 mm (1.6 in)	12 December 1972

Period of Record Coverage

1934 to 1983

24 years of record at Picton, 1934 to 1983. 3 years have data for under 90 percent of days and are left out of rankings: 1935, 1936, 1938.

Days with data per year at Picton
Year	Days with data	Share of year	Complete
1934	364	100%	Yes
1935	270	74%	No
1936	322	88%	No
1937	329	90%	Yes
1938	150	41%	No
1965	333	91%	Yes
1966	363	99%	Yes
1967	362	99%	Yes
1968	335	92%	Yes
1969	365	100%	Yes
1970	364	100%	Yes
1971	365	100%	Yes
1972	335	92%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	363	99%	Yes
1981	365	100%	Yes
1982	361	99%	Yes
1983	364	100%	Yes

Latest Records

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

Climate Trend

17 complete years, 1934 to 1983

One stripe for each of 17 complete years at Picton, 1934 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 1978, at 6.4 C (43.4 F), and the warmest was 1973, at 8.5 C (47.2 F). The strongest colour marks a difference of 1.1 C (2.0 F).

Annual mean temperature at Picton as warming stripes, 1934 to 1983
Year	Annual mean temperature	Difference from the station mean
1934	7.2 C	-0.23 C
1966	7.4 C	-0.06 C
1967	7.5 C	+0.09 C
1969	7.6 C	+0.14 C
1970	7.5 C	+0.04 C
1971	7.4 C	-0.02 C
1973	8.5 C	+1.05 C
1974	7.1 C	-0.36 C
1975	8.2 C	+0.81 C
1976	6.7 C	-0.75 C
1977	7.5 C	+0.04 C
1978	6.4 C	-1.06 C
1979	7.3 C	-0.15 C
1980	6.8 C	-0.62 C
1981	7.6 C	+0.21 C
1982	7.4 C	-0.06 C
1983	8.4 C	+0.93 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

1915 to 1983

Yearly extremes at Picton: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	37.8 C (100.0 F)	1936	31.4 C (88.5 F)	24
Coldest night (TNn)	-35.6 C (-32.1 F)	1934	-27.2 C (-17.0 F)	24
Wettest day (Rx1day)	79.5 mm (3.1 in)	1937	41.9 mm (1.6 in)	29
Wettest five days (Rx5day)	114.6 mm (4.5 in)	1979	71.6 mm (2.8 in)	29
Longest dry spell (CDD)	23 days	1965	16 days	29

Hottest day (TXx)

The hottest day of the year at Picton, 1915 to 1983. The record is 37.8 C (100.0 F) in 1936, marked on the chart; the median year is 31.4 C (88.5 F).

Hottest day (TXx) at Picton by year
Year	Hottest day (TXx)
1915	n/a
1916	n/a
1917	n/a
1918	n/a
1919	n/a
1920	n/a
1934	34.4 C (93.9 F)
1935	32.2 C (90.0 F)
1936	37.8 C (100.0 F)
1937	31.1 C (88.0 F)
1938	31.7 C (89.1 F)
1965	31.1 C (88.0 F)
1966	32.2 C (90.0 F)
1967	31.1 C (88.0 F)
1968	30.6 C (87.1 F)
1969	31.7 C (89.1 F)
1970	30.6 C (87.1 F)
1971	32.2 C (90.0 F)
1972	30.6 C (87.1 F)
1973	32.8 C (91.0 F)
1974	30.0 C (86.0 F)
1975	31.7 C (89.1 F)
1976	28.9 C (84.0 F)
1977	31.0 C (87.8 F)
1978	33.0 C (91.4 F)
1979	32.5 C (90.5 F)
1980	31.0 C (87.8 F)
1981	31.0 C (87.8 F)
1982	29.5 C (85.1 F)
1983	34.0 C (93.2 F)

Coldest night (TNn)

The coldest night of the year at Picton, 1915 to 1983. The record is -35.6 C (-32.1 F) in 1934, marked on the chart; the median year is -27.2 C (-17.0 F).

Coldest night (TNn) at Picton by year
Year	Coldest night (TNn)
1915	n/a
1916	n/a
1917	n/a
1918	n/a
1919	n/a
1920	n/a
1934	-35.6 C (-32.1 F)
1935	-27.8 C (-18.0 F)
1936	-26.7 C (-16.1 F)
1937	-26.1 C (-15.0 F)
1938	-26.7 C (-16.1 F)
1965	-25.0 C (-13.0 F)
1966	-27.8 C (-18.0 F)
1967	-25.6 C (-14.1 F)
1968	-26.1 C (-15.0 F)
1969	-25.6 C (-14.1 F)
1970	-30.6 C (-23.1 F)
1971	-28.9 C (-20.0 F)
1972	-26.1 C (-15.0 F)
1973	-30.0 C (-22.0 F)
1974	-23.3 C (-9.9 F)
1975	-26.1 C (-15.0 F)
1976	-32.8 C (-27.0 F)
1977	-33.9 C (-29.0 F)
1978	-25.0 C (-13.0 F)
1979	-34.0 C (-29.2 F)
1980	-33.0 C (-27.4 F)
1981	-35.0 C (-31.0 F)
1982	-29.0 C (-20.2 F)
1983	-24.0 C (-11.2 F)

Wettest day (Rx1day)

The wettest day of the year at Picton, 1915 to 1983. The record is 79.5 mm (3.1 in) in 1937, marked on the chart; the median year is 41.9 mm (1.6 in).

Wettest day (Rx1day) at Picton by year
Year	Wettest day (Rx1day)
1915	19.1 mm (0.8 in)
1916	30.5 mm (1.2 in)
1917	69.1 mm (2.7 in)
1918	51.1 mm (2.0 in)
1919	37.6 mm (1.5 in)
1920	25.4 mm (1.0 in)
1934	40.6 mm (1.6 in)
1935	60.7 mm (2.4 in)
1936	n/a
1937	79.5 mm (3.1 in)
1938	31.8 mm (1.3 in)
1965	34.0 mm (1.3 in)
1966	39.9 mm (1.6 in)
1967	42.2 mm (1.7 in)
1968	69.3 mm (2.7 in)
1969	45.2 mm (1.8 in)
1970	55.1 mm (2.2 in)
1971	30.5 mm (1.2 in)
1972	41.9 mm (1.6 in)
1973	40.1 mm (1.6 in)
1974	30.5 mm (1.2 in)
1975	40.6 mm (1.6 in)
1976	74.2 mm (2.9 in)
1977	34.3 mm (1.4 in)
1978	55.0 mm (2.2 in)
1979	57.2 mm (2.3 in)
1980	75.0 mm (3.0 in)
1981	47.6 mm (1.9 in)
1982	55.4 mm (2.2 in)
1983	37.0 mm (1.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Picton, 1915 to 1983. The record is 114.6 mm (4.5 in) in 1979, marked on the chart; the median year is 71.6 mm (2.8 in).

Wettest five days (Rx5day) at Picton by year
Year	Wettest five days (Rx5day)
1915	29.3 mm (1.2 in)
1916	80.0 mm (3.1 in)
1917	91.4 mm (3.6 in)
1918	89.0 mm (3.5 in)
1919	76.4 mm (3.0 in)
1920	38.2 mm (1.5 in)
1934	55.4 mm (2.2 in)
1935	81.0 mm (3.2 in)
1936	n/a
1937	88.2 mm (3.5 in)
1938	33.8 mm (1.3 in)
1965	59.5 mm (2.3 in)
1966	51.8 mm (2.0 in)
1967	75.3 mm (3.0 in)
1968	83.8 mm (3.3 in)
1969	46.5 mm (1.8 in)
1970	71.6 mm (2.8 in)
1971	56.4 mm (2.2 in)
1972	70.4 mm (2.8 in)
1973	83.0 mm (3.3 in)
1974	53.4 mm (2.1 in)
1975	64.0 mm (2.5 in)
1976	102.1 mm (4.0 in)
1977	78.2 mm (3.1 in)
1978	63.9 mm (2.5 in)
1979	114.6 mm (4.5 in)
1980	91.0 mm (3.6 in)
1981	83.0 mm (3.3 in)
1982	58.2 mm (2.3 in)
1983	69.0 mm (2.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at Picton, 1915 to 1983. The record is 23 days in 1965, marked on the chart; the median year is 16 days.

Longest dry spell (CDD) at Picton by year
Year	Longest dry spell (CDD)
1915	12 days
1916	17 days
1917	21 days
1918	17 days
1919	20 days
1920	14 days
1934	20 days
1935	16 days
1936	n/a
1937	22 days
1938	17 days
1965	23 days
1966	16 days
1967	21 days
1968	17 days
1969	21 days
1970	16 days
1971	15 days
1972	13 days
1973	16 days
1974	11 days
1975	14 days
1976	14 days
1977	17 days
1978	16 days
1979	14 days
1980	14 days
1981	15 days
1982	16 days
1983	16 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 Picton standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Picton 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).