Louisbourg Weather Records (CA008203161)

Record envelope, standing records and threshold days for Louisbourg (CA008203161), Nova Scotia, Canada, with 40 years of record.

Key Facts for Louisbourg

Louisbourg (CA008203161) is a weather station in Nova Scotia, Canada at 45.90 latitude and -60.00 longitude, 46 m (151 ft) above sea level.
The station reports from 1972 to 2011, 40 years of record.
1,464 records set at Louisbourg still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Nova Scotia, Canada, 45.90 latitude, -60.00 longitude.
Elevation: 46 m (151 ft).
Period of record: 1972 to 2011, 40 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 Louisbourg. 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 Louisbourg, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	10.0 C (50.0 F)	-26.0 C (-14.8 F)	n/a	n/a
Feb	8.0 C (46.4 F)	-24.4 C (-11.9 F)	n/a	n/a
Mar	12.0 C (53.6 F)	-20.0 C (-4.0 F)	n/a	n/a
Apr	18.3 C (64.9 F)	-10.6 C (12.9 F)	n/a	n/a
May	24.0 C (75.2 F)	-3.0 C (26.6 F)	n/a	n/a
Jun	31.7 C (89.1 F)	0.5 C (32.9 F)	n/a	n/a
Jul	30.6 C (87.1 F)	5.0 C (41.0 F)	n/a	n/a
Aug	32.0 C (89.6 F)	3.5 C (38.3 F)	n/a	n/a
Sep	29.0 C (84.2 F)	-1.7 C (28.9 F)	n/a	n/a
Oct	20.5 C (68.9 F)	-3.9 C (25.0 F)	n/a	n/a
Nov	20.0 C (68.0 F)	-12.0 C (10.4 F)	n/a	n/a
Dec	13.5 C (56.3 F)	-20.6 C (-5.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Louisbourg still stand. 1979 holds the most, with 161.

Wettest Day of Each Month

May: 105.0 mm (4.1 in)

The wettest day on record for each calendar month at Louisbourg. The most was 105.0 mm (4.1 in) on 23 May 1981.

Record daily precipitation for each month at Louisbourg
Month	Record daily precipitation (mm)	Date
Jan	73.0 mm (2.9 in)	12 January 1983
Feb	45.0 mm (1.8 in)	7 February 1978
Mar	50.0 mm (2.0 in)	7 March 1979
Apr	45.0 mm (1.8 in)	28 April 1982
May	105.0 mm (4.1 in)	23 May 1981
Jun	58.7 mm (2.3 in)	17 June 1973
Jul	51.0 mm (2.0 in)	22 July 1983
Aug	71.0 mm (2.8 in)	17 August 1981
Sep	64.0 mm (2.5 in)	1 September 1983
Oct	65.0 mm (2.6 in)	25 October 1983
Nov	74.0 mm (2.9 in)	5 November 1980
Dec	62.0 mm (2.4 in)	26 December 1979

Period of Record Coverage

1972 to 1983

12 years of record at Louisbourg, 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 Louisbourg
Year	Days with data	Share of year	Complete
1972	184	50%	No
1973	365	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	364	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	362	99%	Yes
1982	364	100%	Yes
1983	362	99%	Yes

Latest Records

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

Climate Trend

11 complete years, 1973 to 1983

One stripe for each of 11 complete years at Louisbourg, 1973 to 1983. Blue stripes are years cooler than the station's own mean of 5.3 C (41.5 F); red stripes are warmer. The coolest year was 1974, at 4.6 C (40.3 F), and the warmest was 1983, at 6.4 C (43.4 F). The strongest colour marks a difference of 1.1 C (2.0 F).

Annual mean temperature at Louisbourg as warming stripes, 1973 to 1983
Year	Annual mean temperature	Difference from the station mean
1973	5.2 C	-0.08 C
1974	4.6 C	-0.70 C
1975	4.8 C	-0.47 C
1976	5.1 C	-0.19 C
1977	5.4 C	+0.11 C
1978	4.8 C	-0.55 C
1979	6.0 C	+0.68 C
1980	4.8 C	-0.54 C
1981	6.2 C	+0.90 C
1982	5.1 C	-0.24 C
1983	6.4 C	+1.05 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

1972 to 1983

Yearly extremes at Louisbourg: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	32.0 C (89.6 F)	1978	28.5 C (83.3 F)	12
Coldest night (TNn)	-26.0 C (-14.8 F)	1982	-20.5 C (-4.9 F)	12
Wettest day (Rx1day)	105.0 mm (4.1 in)	1981	57.3 mm (2.3 in)	12
Wettest five days (Rx5day)	143.0 mm (5.6 in)	1981	94.4 mm (3.7 in)	12
Longest dry spell (CDD)	19 days	1979	12 days	12

Hottest day (TXx)

The hottest day of the year at Louisbourg, 1972 to 1983. The record is 32.0 C (89.6 F) in 1978, marked on the chart; the median year is 28.5 C (83.3 F).

Hottest day (TXx) at Louisbourg by year
Year	Hottest day (TXx)
1972	25.6 C (78.1 F)
1973	30.6 C (87.1 F)
1974	27.8 C (82.0 F)
1975	27.8 C (82.0 F)
1976	31.7 C (89.1 F)
1977	30.0 C (86.0 F)
1978	32.0 C (89.6 F)
1979	30.0 C (86.0 F)
1980	27.5 C (81.5 F)
1981	26.0 C (78.8 F)
1982	29.0 C (84.2 F)
1983	28.0 C (82.4 F)

Coldest night (TNn)

The coldest night of the year at Louisbourg, 1972 to 1983. The record is -26.0 C (-14.8 F) in 1982, marked on the chart; the median year is -20.5 C (-4.9 F).

Coldest night (TNn) at Louisbourg by year
Year	Coldest night (TNn)
1972	-16.7 C (1.9 F)
1973	-20.6 C (-5.1 F)
1974	-20.6 C (-5.1 F)
1975	-24.4 C (-11.9 F)
1976	-20.0 C (-4.0 F)
1977	-19.4 C (-2.9 F)
1978	-20.5 C (-4.9 F)
1979	-22.0 C (-7.6 F)
1980	-20.5 C (-4.9 F)
1981	-20.0 C (-4.0 F)
1982	-26.0 C (-14.8 F)
1983	-18.0 C (-0.4 F)

Wettest day (Rx1day)

The wettest day of the year at Louisbourg, 1972 to 1983. The record is 105.0 mm (4.1 in) in 1981, marked on the chart; the median year is 57.3 mm (2.3 in).

Wettest day (Rx1day) at Louisbourg by year
Year	Wettest day (Rx1day)
1972	49.0 mm (1.9 in)
1973	58.7 mm (2.3 in)
1974	35.1 mm (1.4 in)
1975	55.1 mm (2.2 in)
1976	55.9 mm (2.2 in)
1977	59.7 mm (2.4 in)
1978	47.2 mm (1.9 in)
1979	62.0 mm (2.4 in)
1980	78.6 mm (3.1 in)
1981	105.0 mm (4.1 in)
1982	46.0 mm (1.8 in)
1983	73.0 mm (2.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Louisbourg, 1972 to 1983. The record is 143.0 mm (5.6 in) in 1981, marked on the chart; the median year is 94.4 mm (3.7 in).

Wettest five days (Rx5day) at Louisbourg by year
Year	Wettest five days (Rx5day)
1972	61.6 mm (2.4 in)
1973	105.7 mm (4.2 in)
1974	88.9 mm (3.5 in)
1975	73.1 mm (2.9 in)
1976	80.5 mm (3.2 in)
1977	118.9 mm (4.7 in)
1978	122.2 mm (4.8 in)
1979	96.7 mm (3.8 in)
1980	92.0 mm (3.6 in)
1981	143.0 mm (5.6 in)
1982	91.6 mm (3.6 in)
1983	125.2 mm (4.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Louisbourg, 1972 to 1983. The record is 19 days in 1979, marked on the chart; the median year is 12 days.

Longest dry spell (CDD) at Louisbourg by year
Year	Longest dry spell (CDD)
1972	11 days
1973	12 days
1974	13 days
1975	12 days
1976	12 days
1977	12 days
1978	9 days
1979	19 days
1980	9 days
1981	11 days
1982	12 days
1983	9 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 Louisbourg standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Louisbourg 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).