Bonavista Weather Records (CA008400600)

Record envelope, standing records and threshold days for Bonavista (CA008400600), Newfoundland and Labrador, Canada, with 51 years of record.

Key Facts for Bonavista

Bonavista (CA008400600) is a weather station in Newfoundland and Labrador, Canada at 48.67 latitude and -53.12 longitude, 26 m (85 ft) above sea level.
The station reports from 1956 to 2006, 51 years of record.
1,464 records set at Bonavista still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Newfoundland and Labrador, Canada, 48.67 latitude, -53.12 longitude.
Elevation: 26 m (85 ft).
Period of record: 1956 to 2006, 51 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 Bonavista. 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 Bonavista, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	12.2 C (54.0 F)	-24.4 C (-11.9 F)	n/a	n/a
Feb	10.6 C (51.1 F)	-22.2 C (-8.0 F)	n/a	n/a
Mar	13.4 C (56.1 F)	-23.3 C (-9.9 F)	n/a	n/a
Apr	17.8 C (64.0 F)	-11.7 C (10.9 F)	n/a	n/a
May	25.6 C (78.1 F)	-6.7 C (19.9 F)	n/a	n/a
Jun	28.8 C (83.8 F)	-2.8 C (27.0 F)	n/a	n/a
Jul	30.6 C (87.1 F)	-2.2 C (28.0 F)	n/a	n/a
Aug	30.1 C (86.2 F)	2.8 C (37.0 F)	n/a	n/a
Sep	26.1 C (79.0 F)	1.7 C (35.1 F)	n/a	n/a
Oct	22.8 C (73.0 F)	-3.3 C (26.1 F)	n/a	n/a
Nov	17.8 C (64.0 F)	-8.8 C (16.2 F)	n/a	n/a
Dec	14.4 C (57.9 F)	-22.2 C (-8.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Bonavista still stand. 1967 holds the most, with 95.

Standing records at Bonavista by the year they were set
Year set	Standing records
1956	11
1957	82
1958	55
1959	61
1960	45
1961	61
1962	63
1963	61
1964	50
1965	29
1966	18
1967	95
1968	40
1969	51
1970	50
1971	58
1972	85
1973	51
1974	60
1975	58
1976	47
1977	23
1978	70
1979	56
1980	30
1981	38
1982	43
1983	73

Wettest Day of Each Month

Mar: 104.1 mm (4.1 in)

The wettest day on record for each calendar month at Bonavista. The most was 104.1 mm (4.1 in) on 11 March 1957.

Record daily precipitation for each month at Bonavista
Month	Record daily precipitation (mm)	Date
Jan	37.6 mm (1.5 in)	28 January 1979
Feb	68.3 mm (2.7 in)	26 February 1970
Mar	104.1 mm (4.1 in)	11 March 1957
Apr	45.2 mm (1.8 in)	19 April 1970
May	29.7 mm (1.2 in)	28 May 1967
Jun	43.2 mm (1.7 in)	4 June 1968
Jul	53.3 mm (2.1 in)	3 July 1962
Aug	46.5 mm (1.8 in)	15 August 1974
Sep	57.2 mm (2.3 in)	25 September 1969
Oct	53.4 mm (2.1 in)	2 October 1982
Nov	70.4 mm (2.8 in)	19 November 1965
Dec	42.7 mm (1.7 in)	18 December 1964

Period of Record Coverage

1956 to 1983

28 years of record at Bonavista, 1956 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1956.

Days with data per year at Bonavista
Year	Days with data	Share of year	Complete
1956	31	8%	No
1957	365	100%	Yes
1958	364	100%	Yes
1959	350	96%	Yes
1960	366	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	365	100%	Yes
1971	365	100%	Yes
1972	366	100%	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	366	100%	Yes
1981	365	100%	Yes
1982	364	100%	Yes
1983	365	100%	Yes

Latest Records

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

Climate Trend

26 complete years, 1957 to 1983

One stripe for each of 26 complete years at Bonavista, 1957 to 1983. Blue stripes are years cooler than the station's own mean of 4.5 C (40.1 F); red stripes are warmer. The coolest year was 1972, at 3.1 C (37.5 F), and the warmest was 1981, at 5.5 C (41.9 F). The strongest colour marks a difference of 1.5 C (2.7 F).

Annual mean temperature at Bonavista as warming stripes, 1957 to 1983
Year	Annual mean temperature	Difference from the station mean
1957	3.5 C	-0.97 C
1958	5.1 C	+0.61 C
1960	5.3 C	+0.75 C
1961	4.8 C	+0.33 C
1962	4.1 C	-0.40 C
1963	4.6 C	+0.06 C
1964	3.9 C	-0.59 C
1965	4.4 C	-0.14 C
1966	5.4 C	+0.85 C
1967	5.2 C	+0.69 C
1968	4.0 C	-0.56 C
1969	5.4 C	+0.89 C
1970	5.1 C	+0.54 C
1971	5.3 C	+0.77 C
1972	3.1 C	-1.46 C
1973	4.5 C	-0.06 C
1974	3.1 C	-1.41 C
1975	3.7 C	-0.83 C
1976	4.5 C	-0.06 C
1977	4.7 C	+0.17 C
1978	4.1 C	-0.38 C
1979	5.3 C	+0.74 C
1980	3.9 C	-0.62 C
1981	5.5 C	+0.97 C
1982	4.0 C	-0.51 C
1983	5.0 C	+0.51 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

1956 to 1983

Yearly extremes at Bonavista: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	30.6 C (87.1 F)	1968	28.3 C (82.9 F)	28
Coldest night (TNn)	-24.4 C (-11.9 F)	1957	-18.5 C (-1.2 F)	28
Wettest day (Rx1day)	104.1 mm (4.1 in)	1957	39.9 mm (1.6 in)	28
Wettest five days (Rx5day)	128.2 mm (5.0 in)	1957	64.4 mm (2.5 in)	28
Longest dry spell (CDD)	26 days	1958	12 days	28

Hottest day (TXx)

The hottest day of the year at Bonavista, 1956 to 1983. The record is 30.6 C (87.1 F) in 1968, marked on the chart; the median year is 28.3 C (82.9 F).

Hottest day (TXx) at Bonavista by year
Year	Hottest day (TXx)
1956	9.4 C (48.9 F)
1957	27.2 C (81.0 F)
1958	26.7 C (80.1 F)
1959	28.3 C (82.9 F)
1960	28.3 C (82.9 F)
1961	29.4 C (84.9 F)
1962	27.8 C (82.0 F)
1963	29.4 C (84.9 F)
1964	26.7 C (80.1 F)
1965	28.3 C (82.9 F)
1966	26.7 C (80.1 F)
1967	28.9 C (84.0 F)
1968	30.6 C (87.1 F)
1969	26.7 C (80.1 F)
1970	28.9 C (84.0 F)
1971	29.4 C (84.9 F)
1972	26.7 C (80.1 F)
1973	28.9 C (84.0 F)
1974	26.7 C (80.1 F)
1975	30.0 C (86.0 F)
1976	30.0 C (86.0 F)
1977	28.8 C (83.8 F)
1978	29.2 C (84.6 F)
1979	30.1 C (86.2 F)
1980	27.2 C (81.0 F)
1981	28.7 C (83.7 F)
1982	27.5 C (81.5 F)
1983	27.3 C (81.1 F)

Coldest night (TNn)

The coldest night of the year at Bonavista, 1956 to 1983. The record is -24.4 C (-11.9 F) in 1957, marked on the chart; the median year is -18.5 C (-1.2 F).

Coldest night (TNn) at Bonavista by year
Year	Coldest night (TNn)
1956	-13.3 C (8.1 F)
1957	-24.4 C (-11.9 F)
1958	-16.1 C (3.0 F)
1959	-21.7 C (-7.1 F)
1960	-16.7 C (1.9 F)
1961	-20.6 C (-5.1 F)
1962	-14.4 C (6.1 F)
1963	-23.3 C (-9.9 F)
1964	-21.1 C (-6.0 F)
1965	-14.4 C (6.1 F)
1966	-15.0 C (5.0 F)
1967	-18.9 C (-2.0 F)
1968	-16.1 C (3.0 F)
1969	-10.6 C (12.9 F)
1970	-13.3 C (8.1 F)
1971	-21.1 C (-6.0 F)
1972	-22.2 C (-8.0 F)
1973	-18.9 C (-2.0 F)
1974	-18.3 C (-0.9 F)
1975	-22.2 C (-8.0 F)
1976	-16.7 C (1.9 F)
1977	-16.6 C (2.1 F)
1978	-15.0 C (5.0 F)
1979	-19.1 C (-2.4 F)
1980	-18.6 C (-1.5 F)
1981	-14.8 C (5.4 F)
1982	-18.7 C (-1.7 F)
1983	-22.0 C (-7.6 F)

Wettest day (Rx1day)

The wettest day of the year at Bonavista, 1956 to 1983. The record is 104.1 mm (4.1 in) in 1957, marked on the chart; the median year is 39.9 mm (1.6 in).

Wettest day (Rx1day) at Bonavista by year
Year	Wettest day (Rx1day)
1956	13.5 mm (0.5 in)
1957	104.1 mm (4.1 in)
1958	33.5 mm (1.3 in)
1959	26.7 mm (1.1 in)
1960	38.1 mm (1.5 in)
1961	29.5 mm (1.2 in)
1962	53.3 mm (2.1 in)
1963	43.7 mm (1.7 in)
1964	42.7 mm (1.7 in)
1965	70.4 mm (2.8 in)
1966	35.1 mm (1.4 in)
1967	29.7 mm (1.2 in)
1968	43.2 mm (1.7 in)
1969	57.2 mm (2.3 in)
1970	68.3 mm (2.7 in)
1971	35.1 mm (1.4 in)
1972	28.2 mm (1.1 in)
1973	30.2 mm (1.2 in)
1974	46.5 mm (1.8 in)
1975	38.9 mm (1.5 in)
1976	40.1 mm (1.6 in)
1977	23.8 mm (0.9 in)
1978	39.6 mm (1.6 in)
1979	37.6 mm (1.5 in)
1980	46.4 mm (1.8 in)
1981	41.2 mm (1.6 in)
1982	53.4 mm (2.1 in)
1983	49.4 mm (1.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Bonavista, 1956 to 1983. The record is 128.2 mm (5.0 in) in 1957, marked on the chart; the median year is 64.4 mm (2.5 in).

Wettest five days (Rx5day) at Bonavista by year
Year	Wettest five days (Rx5day)
1956	27.2 mm (1.1 in)
1957	128.2 mm (5.0 in)
1958	60.1 mm (2.4 in)
1959	47.0 mm (1.9 in)
1960	63.2 mm (2.5 in)
1961	46.5 mm (1.8 in)
1962	63.7 mm (2.5 in)
1963	75.0 mm (3.0 in)
1964	76.3 mm (3.0 in)
1965	99.6 mm (3.9 in)
1966	53.2 mm (2.1 in)
1967	50.6 mm (2.0 in)
1968	84.2 mm (3.3 in)
1969	73.7 mm (2.9 in)
1970	119.9 mm (4.7 in)
1971	75.1 mm (3.0 in)
1972	48.1 mm (1.9 in)
1973	51.2 mm (2.0 in)
1974	60.9 mm (2.4 in)
1975	59.5 mm (2.3 in)
1976	60.7 mm (2.4 in)
1977	45.1 mm (1.8 in)
1978	69.6 mm (2.7 in)
1979	68.7 mm (2.7 in)
1980	109.8 mm (4.3 in)
1981	72.7 mm (2.9 in)
1982	102.4 mm (4.0 in)
1983	65.0 mm (2.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Bonavista, 1956 to 1983. The record is 26 days in 1958, marked on the chart; the median year is 12 days.

Longest dry spell (CDD) at Bonavista by year
Year	Longest dry spell (CDD)
1956	4 days
1957	13 days
1958	26 days
1959	14 days
1960	15 days
1961	18 days
1962	13 days
1963	9 days
1964	8 days
1965	18 days
1966	13 days
1967	12 days
1968	12 days
1969	12 days
1970	11 days
1971	15 days
1972	10 days
1973	11 days
1974	9 days
1975	12 days
1976	13 days
1977	15 days
1978	11 days
1979	12 days
1980	8 days
1981	17 days
1982	20 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.

Frost Dates and Growing Season

26 years with a frost

Across 26 years with a frost, the median last spring frost at Bonavista falls on 27 May and the median first autumn frost on 26 October, which leaves a median of 157 days between them.

Fitted over all years, the growing season changes by -4.2 days per decade at this station.

Frost dates and growing season at Bonavista
Measure	Median, all years	Earliest period	Recent period (1957 to 1983)	Recent against earliest	Fitted trend
Last spring frost	27 May	n/a	27 May	n/a	+0.9 days per decade
First autumn frost	26 October	n/a	26 October	n/a	-3.3 days per decade
Growing days	157 days	n/a	157 days	n/a	-4.2 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

Data for Bonavista standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Bonavista 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).