Bromptonville Weather Records (CA007020860)

Record envelope, standing records and threshold days for Bromptonville (CA007020860), Quebec, Canada, with 68 years of record.

Key Facts for Bromptonville

Bromptonville (CA007020860) is a weather station in Quebec, Canada at 45.48 latitude and -71.95 longitude, 130 m (427 ft) above sea level.
The station reports from 1957 to 2024, 68 years of record.
1,464 records set at Bromptonville still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Quebec, Canada, 45.48 latitude, -71.95 longitude.
Elevation: 130 m (427 ft).
Period of record: 1957 to 2024, 68 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 Bromptonville. 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 Bromptonville, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	11.1 C (52.0 F)	-38.9 C (-38.0 F)	n/a	n/a
Feb	17.0 C (62.6 F)	-37.8 C (-36.0 F)	n/a	n/a
Mar	24.4 C (75.9 F)	-33.5 C (-28.3 F)	n/a	n/a
Apr	29.4 C (84.9 F)	-15.0 C (5.0 F)	n/a	n/a
May	31.7 C (89.1 F)	-7.8 C (18.0 F)	n/a	n/a
Jun	32.8 C (91.0 F)	-1.7 C (28.9 F)	n/a	n/a
Jul	34.4 C (93.9 F)	2.8 C (37.0 F)	n/a	n/a
Aug	35.0 C (95.0 F)	-1.0 C (30.2 F)	n/a	n/a
Sep	31.7 C (89.1 F)	-6.0 C (21.2 F)	n/a	n/a
Oct	28.3 C (82.9 F)	-8.9 C (16.0 F)	n/a	n/a
Nov	21.5 C (70.7 F)	-23.3 C (-9.9 F)	n/a	n/a
Dec	15.6 C (60.1 F)	-41.7 C (-43.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Bromptonville still stand. 1959 holds the most, with 77.

Standing records at Bromptonville by the year they were set
Year set	Standing records
1957	36
1958	48
1959	77
1960	38
1961	54
1962	54
1963	62
1964	59
1965	60
1966	62
1967	64
1968	62
1969	41
1970	38
1971	57
1972	48
1973	55
1974	31
1975	50
1976	69
1977	43
1978	46
1979	77
1980	42
1981	74
1982	72
1983	45

Wettest Day of Each Month

Jul: 76.2 mm (3.0 in)

The wettest day on record for each calendar month at Bromptonville. The most was 76.2 mm (3.0 in) on 11 July 1970.

Record daily precipitation for each month at Bromptonville
Month	Record daily precipitation (mm)	Date
Jan	31.8 mm (1.3 in)	8 January 1965
Feb	45.5 mm (1.8 in)	22 February 1974
Mar	36.1 mm (1.4 in)	16 March 1974
Apr	30.5 mm (1.2 in)	29 April 1974
May	34.8 mm (1.4 in)	21 May 1973
Jun	72.9 mm (2.9 in)	29 June 1973
Jul	76.2 mm (3.0 in)	11 July 1970
Aug	64.3 mm (2.5 in)	26 August 1975
Sep	67.3 mm (2.6 in)	13 September 1960
Oct	63.5 mm (2.5 in)	6 October 1962
Nov	36.1 mm (1.4 in)	25 November 1971
Dec	43.2 mm (1.7 in)	12 December 1983

Period of Record Coverage

1957 to 1983

27 years of record at Bromptonville, 1957 to 1983. 6 years have data for under 90 percent of days and are left out of rankings: 1957, 1959, 1968, 1969, 1970, 1974.

Days with data per year at Bromptonville
Year	Days with data	Share of year	Complete
1957	214	59%	No
1958	365	100%	Yes
1959	316	87%	No
1960	366	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	364	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	361	99%	Yes
1968	259	71%	No
1969	219	60%	No
1970	259	71%	No
1971	363	99%	Yes
1972	355	97%	Yes
1973	337	92%	Yes
1974	227	62%	No
1975	365	100%	Yes
1976	365	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	363	99%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	363	99%	Yes
1983	365	100%	Yes

Latest Records

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

Climate Trend

19 complete years, 1958 to 1983

One stripe for each of 19 complete years at Bromptonville, 1958 to 1983. Blue stripes are years cooler than the station's own mean of 5.2 C (41.4 F); red stripes are warmer. The coolest year was 1978, at 4.3 C (39.8 F), and the warmest was 1981, at 6.0 C (42.7 F). The strongest colour marks a difference of 1.0 C (1.8 F).

Annual mean temperature at Bromptonville as warming stripes, 1958 to 1983
Year	Annual mean temperature	Difference from the station mean
1958	4.8 C	-0.46 C
1960	5.7 C	+0.46 C
1961	5.6 C	+0.33 C
1962	4.6 C	-0.62 C
1963	4.9 C	-0.33 C
1964	5.7 C	+0.49 C
1965	4.9 C	-0.36 C
1966	5.4 C	+0.20 C
1967	4.9 C	-0.32 C
1971	5.1 C	-0.09 C
1975	6.0 C	+0.72 C
1976	4.8 C	-0.47 C
1977	5.6 C	+0.37 C
1978	4.3 C	-0.92 C
1979	5.7 C	+0.50 C
1980	4.4 C	-0.79 C
1981	6.0 C	+0.74 C
1982	5.1 C	-0.10 C
1983	5.8 C	+0.61 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

1957 to 1983

Yearly extremes at Bromptonville: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.0 C (95.0 F)	1975	32.2 C (90.0 F)	27
Coldest night (TNn)	-41.7 C (-43.1 F)	1970	-33.9 C (-29.0 F)	27
Wettest day (Rx1day)	76.2 mm (3.0 in)	1970	47.8 mm (1.9 in)	27
Wettest five days (Rx5day)	113.5 mm (4.5 in)	1973	74.4 mm (2.9 in)	27
Longest dry spell (CDD)	19 days	1980	12 days	27

Hottest day (TXx)

The hottest day of the year at Bromptonville, 1957 to 1983. The record is 35.0 C (95.0 F) in 1975, marked on the chart; the median year is 32.2 C (90.0 F).

Hottest day (TXx) at Bromptonville by year
Year	Hottest day (TXx)
1957	32.8 C (91.0 F)
1958	30.6 C (87.1 F)
1959	34.4 C (93.9 F)
1960	32.2 C (90.0 F)
1961	31.1 C (88.0 F)
1962	31.7 C (89.1 F)
1963	34.4 C (93.9 F)
1964	32.8 C (91.0 F)
1965	32.2 C (90.0 F)
1966	31.1 C (88.0 F)
1967	30.6 C (87.1 F)
1968	31.7 C (89.1 F)
1969	32.8 C (91.0 F)
1970	32.8 C (91.0 F)
1971	32.8 C (91.0 F)
1972	31.7 C (89.1 F)
1973	31.1 C (88.0 F)
1974	29.4 C (84.9 F)
1975	35.0 C (95.0 F)
1976	31.7 C (89.1 F)
1977	32.2 C (90.0 F)
1978	32.2 C (90.0 F)
1979	34.4 C (93.9 F)
1980	30.5 C (86.9 F)
1981	31.0 C (87.8 F)
1982	32.5 C (90.5 F)
1983	34.0 C (93.2 F)

Coldest night (TNn)

The coldest night of the year at Bromptonville, 1957 to 1983. The record is -41.7 C (-43.1 F) in 1970, marked on the chart; the median year is -33.9 C (-29.0 F).

Coldest night (TNn) at Bromptonville by year
Year	Coldest night (TNn)
1957	-22.2 C (-8.0 F)
1958	-31.7 C (-25.1 F)
1959	-34.4 C (-29.9 F)
1960	-34.4 C (-29.9 F)
1961	-30.0 C (-22.0 F)
1962	-36.1 C (-33.0 F)
1963	-32.8 C (-27.0 F)
1964	-31.7 C (-25.1 F)
1965	-31.7 C (-25.1 F)
1966	-31.7 C (-25.1 F)
1967	-32.8 C (-27.0 F)
1968	-32.2 C (-26.0 F)
1969	-28.9 C (-20.0 F)
1970	-41.7 C (-43.1 F)
1971	-38.9 C (-38.0 F)
1972	-35.6 C (-32.1 F)
1973	-33.9 C (-29.0 F)
1974	-33.3 C (-27.9 F)
1975	-34.4 C (-29.9 F)
1976	-37.8 C (-36.0 F)
1977	-31.7 C (-25.1 F)
1978	-36.7 C (-34.1 F)
1979	-35.0 C (-31.0 F)
1980	-33.0 C (-27.4 F)
1981	-36.5 C (-33.7 F)
1982	-38.5 C (-37.3 F)
1983	-34.5 C (-30.1 F)

Wettest day (Rx1day)

The wettest day of the year at Bromptonville, 1957 to 1983. The record is 76.2 mm (3.0 in) in 1970, marked on the chart; the median year is 47.8 mm (1.9 in).

Wettest day (Rx1day) at Bromptonville by year
Year	Wettest day (Rx1day)
1957	47.8 mm (1.9 in)
1958	29.2 mm (1.1 in)
1959	31.5 mm (1.2 in)
1960	67.3 mm (2.6 in)
1961	57.2 mm (2.3 in)
1962	63.5 mm (2.5 in)
1963	55.4 mm (2.2 in)
1964	31.2 mm (1.2 in)
1965	51.1 mm (2.0 in)
1966	66.3 mm (2.6 in)
1967	34.0 mm (1.3 in)
1968	36.1 mm (1.4 in)
1969	34.0 mm (1.3 in)
1970	76.2 mm (3.0 in)
1971	60.5 mm (2.4 in)
1972	33.8 mm (1.3 in)
1973	72.9 mm (2.9 in)
1974	74.9 mm (2.9 in)
1975	64.3 mm (2.5 in)
1976	47.0 mm (1.9 in)
1977	39.4 mm (1.6 in)
1978	44.7 mm (1.8 in)
1979	42.7 mm (1.7 in)
1980	26.5 mm (1.0 in)
1981	41.2 mm (1.6 in)
1982	58.4 mm (2.3 in)
1983	52.0 mm (2.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Bromptonville, 1957 to 1983. The record is 113.5 mm (4.5 in) in 1973, marked on the chart; the median year is 74.4 mm (2.9 in).

Wettest five days (Rx5day) at Bromptonville by year
Year	Wettest five days (Rx5day)
1957	68.9 mm (2.7 in)
1958	74.9 mm (2.9 in)
1959	69.0 mm (2.7 in)
1960	104.1 mm (4.1 in)
1961	98.3 mm (3.9 in)
1962	83.1 mm (3.3 in)
1963	72.5 mm (2.9 in)
1964	44.5 mm (1.8 in)
1965	86.6 mm (3.4 in)
1966	74.4 mm (2.9 in)
1967	68.0 mm (2.7 in)
1968	58.7 mm (2.3 in)
1969	62.7 mm (2.5 in)
1970	77.7 mm (3.1 in)
1971	84.4 mm (3.3 in)
1972	60.8 mm (2.4 in)
1973	113.5 mm (4.5 in)
1974	95.5 mm (3.8 in)
1975	78.3 mm (3.1 in)
1976	82.3 mm (3.2 in)
1977	70.9 mm (2.8 in)
1978	57.2 mm (2.3 in)
1979	63.2 mm (2.5 in)
1980	59.8 mm (2.4 in)
1981	89.3 mm (3.5 in)
1982	68.2 mm (2.7 in)
1983	96.4 mm (3.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Bromptonville, 1957 to 1983. The record is 19 days in 1980, marked on the chart; the median year is 12 days.

Longest dry spell (CDD) at Bromptonville by year
Year	Longest dry spell (CDD)
1957	11 days
1958	8 days
1959	11 days
1960	12 days
1961	16 days
1962	16 days
1963	17 days
1964	15 days
1965	12 days
1966	10 days
1967	12 days
1968	8 days
1969	14 days
1970	12 days
1971	9 days
1972	12 days
1973	11 days
1974	12 days
1975	13 days
1976	17 days
1977	15 days
1978	12 days
1979	12 days
1980	19 days
1981	11 days
1982	11 days
1983	13 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 Bromptonville standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Bromptonville 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).