Summerville Weather Records (CA008205650)

Record envelope, standing records and threshold days for Summerville (CA008205650), Nova Scotia, Canada, with 40 years of record.

Key Facts for Summerville

Summerville (CA008205650) is a weather station in Nova Scotia, Canada at 45.12 latitude and -64.18 longitude, 38 m (125 ft) above sea level.
The station reports from 1965 to 2004, 40 years of record.
1,464 records set at Summerville 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, 45.12 latitude, -64.18 longitude.
Elevation: 38 m (125 ft).
Period of record: 1965 to 2004, 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 Summerville. 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 Summerville, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	13.3 C (55.9 F)	-24.0 C (-11.2 F)	n/a	n/a
Feb	14.4 C (57.9 F)	-24.4 C (-11.9 F)	n/a	n/a
Mar	18.3 C (64.9 F)	-20.6 C (-5.1 F)	n/a	n/a
Apr	24.0 C (75.2 F)	-11.7 C (10.9 F)	n/a	n/a
May	31.1 C (88.0 F)	-5.0 C (23.0 F)	n/a	n/a
Jun	30.6 C (87.1 F)	-1.7 C (28.9 F)	n/a	n/a
Jul	31.7 C (89.1 F)	3.3 C (37.9 F)	n/a	n/a
Aug	33.3 C (91.9 F)	1.1 C (34.0 F)	n/a	n/a
Sep	30.6 C (87.1 F)	-2.2 C (28.0 F)	n/a	n/a
Oct	25.0 C (77.0 F)	-6.7 C (19.9 F)	n/a	n/a
Nov	22.0 C (71.6 F)	-12.2 C (10.0 F)	n/a	n/a
Dec	17.0 C (62.6 F)	-21.1 C (-6.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Summerville still stand. 1972 holds the most, with 99.

Standing records at Summerville by the year they were set
Year set	Standing records
1965	52
1966	76
1967	87
1968	89
1969	78
1970	58
1971	79
1972	99
1973	89
1974	91
1975	78
1976	91
1977	50
1978	67
1979	93
1980	48
1981	75
1982	88
1983	76

Wettest Day of Each Month

Jul: 91.4 mm (3.6 in)

The wettest day on record for each calendar month at Summerville. The most was 91.4 mm (3.6 in) on 11 July 1973.

Record daily precipitation for each month at Summerville
Month	Record daily precipitation (mm)	Date
Jan	66.0 mm (2.6 in)	14 January 1978
Feb	40.6 mm (1.6 in)	7 February 1978
Mar	33.0 mm (1.3 in)	7 March 1967
Apr	65.0 mm (2.6 in)	28 April 1982
May	48.8 mm (1.9 in)	23 May 1971
Jun	39.9 mm (1.6 in)	17 June 1973
Jul	91.4 mm (3.6 in)	11 July 1973
Aug	76.7 mm (3.0 in)	15 August 1971
Sep	49.0 mm (1.9 in)	4 September 1974
Oct	73.2 mm (2.9 in)	10 October 1967
Nov	45.2 mm (1.8 in)	9 November 1980
Dec	48.3 mm (1.9 in)	17 December 1979

Period of Record Coverage

1965 to 1983

19 years of record at Summerville, 1965 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1965.

Days with data per year at Summerville
Year	Days with data	Share of year	Complete
1965	233	64%	No
1966	361	99%	Yes
1967	362	99%	Yes
1968	362	99%	Yes
1969	365	100%	Yes
1970	365	100%	Yes
1971	364	100%	Yes
1972	365	100%	Yes
1973	361	99%	Yes
1974	365	100%	Yes
1975	363	99%	Yes
1976	363	99%	Yes
1977	334	92%	Yes
1978	332	91%	Yes
1979	332	91%	Yes
1980	358	98%	Yes
1981	358	98%	Yes
1982	359	98%	Yes
1983	348	95%	Yes

Latest Records

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

Climate Trend

15 complete years, 1966 to 1983

One stripe for each of 15 complete years at Summerville, 1966 to 1983. Blue stripes are years cooler than the station's own mean of 6.6 C (43.9 F); red stripes are warmer. The coolest year was 1972, at 5.5 C (41.8 F), and the warmest was 1983, at 7.6 C (45.8 F). The strongest colour marks a difference of 1.2 C (2.2 F).

Annual mean temperature at Summerville as warming stripes, 1966 to 1983
Year	Annual mean temperature	Difference from the station mean
1966	7.0 C	+0.36 C
1967	6.2 C	-0.41 C
1968	6.3 C	-0.31 C
1969	7.3 C	+0.73 C
1970	6.5 C	-0.13 C
1971	6.6 C	-0.02 C
1972	5.5 C	-1.13 C
1973	6.8 C	+0.22 C
1974	6.0 C	-0.55 C
1975	6.5 C	-0.12 C
1976	6.8 C	+0.25 C
1980	5.8 C	-0.78 C
1981	7.4 C	+0.80 C
1982	6.6 C	+0.03 C
1983	7.6 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

1965 to 1983

Yearly extremes at Summerville: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	33.3 C (91.9 F)	1976	30.0 C (86.0 F)	19
Coldest night (TNn)	-24.4 C (-11.9 F)	1971	-22.2 C (-8.0 F)	19
Wettest day (Rx1day)	91.4 mm (3.6 in)	1973	49.0 mm (1.9 in)	19
Wettest five days (Rx5day)	189.5 mm (7.5 in)	1971	70.9 mm (2.8 in)	19
Longest dry spell (CDD)	25 days	1981	17 days	19

Hottest day (TXx)

The hottest day of the year at Summerville, 1965 to 1983. The record is 33.3 C (91.9 F) in 1976, marked on the chart; the median year is 30.0 C (86.0 F).

Hottest day (TXx) at Summerville by year
Year	Hottest day (TXx)
1965	32.2 C (90.0 F)
1966	30.0 C (86.0 F)
1967	28.3 C (82.9 F)
1968	30.0 C (86.0 F)
1969	30.6 C (87.1 F)
1970	30.0 C (86.0 F)
1971	29.4 C (84.9 F)
1972	30.6 C (87.1 F)
1973	29.4 C (84.9 F)
1974	29.4 C (84.9 F)
1975	31.7 C (89.1 F)
1976	33.3 C (91.9 F)
1977	31.1 C (88.0 F)
1978	30.6 C (87.1 F)
1979	30.0 C (86.0 F)
1980	29.4 C (84.9 F)
1981	28.0 C (82.4 F)
1982	31.0 C (87.8 F)
1983	29.0 C (84.2 F)

Coldest night (TNn)

The coldest night of the year at Summerville, 1965 to 1983. The record is -24.4 C (-11.9 F) in 1971, marked on the chart; the median year is -22.2 C (-8.0 F).

Coldest night (TNn) at Summerville by year
Year	Coldest night (TNn)
1965	-13.3 C (8.1 F)
1966	-20.6 C (-5.1 F)
1967	-22.8 C (-9.0 F)
1968	-21.1 C (-6.0 F)
1969	-16.1 C (3.0 F)
1970	-20.6 C (-5.1 F)
1971	-24.4 C (-11.9 F)
1972	-22.8 C (-9.0 F)
1973	-23.3 C (-9.9 F)
1974	-22.2 C (-8.0 F)
1975	-20.6 C (-5.1 F)
1976	-22.8 C (-9.0 F)
1977	-20.6 C (-5.1 F)
1978	-23.0 C (-9.4 F)
1979	-22.8 C (-9.0 F)
1980	-21.1 C (-6.0 F)
1981	-23.3 C (-9.9 F)
1982	-24.0 C (-11.2 F)
1983	-21.0 C (-5.8 F)

Wettest day (Rx1day)

The wettest day of the year at Summerville, 1965 to 1983. The record is 91.4 mm (3.6 in) in 1973, marked on the chart; the median year is 49.0 mm (1.9 in).

Wettest day (Rx1day) at Summerville by year
Year	Wettest day (Rx1day)
1965	30.2 mm (1.2 in)
1966	50.5 mm (2.0 in)
1967	73.2 mm (2.9 in)
1968	43.4 mm (1.7 in)
1969	32.8 mm (1.3 in)
1970	58.7 mm (2.3 in)
1971	76.7 mm (3.0 in)
1972	41.4 mm (1.6 in)
1973	91.4 mm (3.6 in)
1974	49.0 mm (1.9 in)
1975	45.5 mm (1.8 in)
1976	42.9 mm (1.7 in)
1977	49.0 mm (1.9 in)
1978	66.0 mm (2.6 in)
1979	48.3 mm (1.9 in)
1980	45.2 mm (1.8 in)
1981	34.8 mm (1.4 in)
1982	65.0 mm (2.6 in)
1983	50.0 mm (2.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Summerville, 1965 to 1983. The record is 189.5 mm (7.5 in) in 1971, marked on the chart; the median year is 70.9 mm (2.8 in).

Wettest five days (Rx5day) at Summerville by year
Year	Wettest five days (Rx5day)
1965	50.0 mm (2.0 in)
1966	91.2 mm (3.6 in)
1967	81.6 mm (3.2 in)
1968	68.8 mm (2.7 in)
1969	56.6 mm (2.2 in)
1970	70.9 mm (2.8 in)
1971	189.5 mm (7.5 in)
1972	48.7 mm (1.9 in)
1973	124.2 mm (4.9 in)
1974	71.3 mm (2.8 in)
1975	60.4 mm (2.4 in)
1976	67.1 mm (2.6 in)
1977	66.3 mm (2.6 in)
1978	101.8 mm (4.0 in)
1979	79.8 mm (3.1 in)
1980	62.5 mm (2.5 in)
1981	84.2 mm (3.3 in)
1982	96.0 mm (3.8 in)
1983	56.2 mm (2.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at Summerville, 1965 to 1983. The record is 25 days in 1981, marked on the chart; the median year is 17 days.

Longest dry spell (CDD) at Summerville by year
Year	Longest dry spell (CDD)
1965	18 days
1966	13 days
1967	13 days
1968	20 days
1969	19 days
1970	13 days
1971	22 days
1972	16 days
1973	17 days
1974	19 days
1975	23 days
1976	14 days
1977	11 days
1978	15 days
1979	18 days
1980	22 days
1981	25 days
1982	17 days
1983	17 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 Summerville standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Summerville 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).