Built 2026-10-19 (19 October 2026)

Halifax Threshold Days by Year (CA008202200)

14 fixed thresholds counted per year at Halifax (CA008202200): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Halifax Thresholds

  • Halifax: days with a maximum temperature at or below 0 C (32 F) in 34 years, most in 1970 with 65.
  • Halifax: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 1940 with 153.
  • Halifax: nights with a minimum temperature at or below -10 C (14 F) in 34 years, most in 1948 with 44.
  • Halifax: days with 10 cm (3.9 in) or more of snowfall in 34 years, most in 1960 with 11.
  • 14 fixed thresholds have at least one qualifying day at Halifax.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Halifax Days per year at Halifax with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 11 in 1944. 0510151940: 41941: 11942: 21943: 41944: 111945: 41946: 21947: 31948: 11949: 51950: 11951: 11952: 71953: 41954: 11955: 21956: 11957: 21959: 31960: 31961: 21962: 11963: 51967: 11968: 31969: 21970: 31971: 11973: 21940194319461949195219551959196219681971
Days per year at Halifax with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 11 in 1944.
Days at or above 30 C (86 F) per year at Halifax
YearDaysDecade average
194043.7
194113.7
194223.7
194343.7
1944113.7
194543.7
194623.7
194733.7
194813.7
194953.7
195012.4
195112.4
195272.4
195342.4
195412.4
195522.4
195612.4
195722.4
195932.4
196032.4
196122.4
196212.4
196352.4
196712.4
196832.4
196922.4
197032
197112
197322
First to last qualifying date each year at Halifax For each year, a bar from the first to the last day at Halifax meeting 30 C (86 F). 1940: 9 July 1940 to 18 August 19401941: 22 June 1941 to 22 June 19411942: 12 June 1942 to 1 September 19421943: 25 June 1943 to 14 July 19431944: 31 May 1944 to 15 August 19441945: 18 July 1945 to 8 September 19451946: 27 June 1946 to 29 June 19461947: 29 June 1947 to 13 August 19471948: 6 September 1948 to 6 September 19481949: 17 June 1949 to 27 August 19491950: 8 June 1950 to 8 June 19501951: 13 September 1951 to 13 September 19511952: 2 July 1952 to 28 August 19521953: 20 June 1953 to 2 September 19531954: 22 June 1954 to 22 June 19541955: 5 July 1955 to 22 August 19551956: 18 August 1956 to 18 August 19561957: 23 June 1957 to 24 June 19571959: 27 May 1959 to 29 July 19591960: 19 August 1960 to 8 September 19601961: 9 August 1961 to 11 September 19611962: 16 June 1962 to 16 June 19621963: 25 June 1963 to 28 July 19631967: 6 June 1967 to 6 June 19671968: 2 July 1968 to 16 July 19681969: 29 June 1969 to 1 September 19691970: 23 July 1970 to 15 August 19701971: 10 August 1971 to 10 August 19711973: 9 July 1973 to 31 August 197319401944194819521956196119681973JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Halifax meeting 30 C (86 F).
First to last qualifying date each year at Halifax
YearFirst dateLast date
19401940-07-091940-08-18
19411941-06-221941-06-22
19421942-06-121942-09-01
19431943-06-251943-07-14
19441944-05-311944-08-15
19451945-07-181945-09-08
19461946-06-271946-06-29
19471947-06-291947-08-13
19481948-09-061948-09-06
19491949-06-171949-08-27
19501950-06-081950-06-08
19511951-09-131951-09-13
19521952-07-021952-08-28
19531953-06-201953-09-02
19541954-06-221954-06-22
19551955-07-051955-08-22
19561956-08-181956-08-18
19571957-06-231957-06-24
19591959-05-271959-07-29
19601960-08-191960-09-08
19611961-08-091961-09-11
19621962-06-161962-06-16
19631963-06-251963-07-28
19671967-06-061967-06-06
19681968-07-021968-07-16
19691969-06-291969-09-01
19701970-07-231970-08-15
19711971-08-101971-08-10
19731973-07-091973-08-31

Every Fixed Threshold

Fixed thresholds at Halifax
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days291119442
90 F (32.2 C): Days10519632
0 C (32 F): Ice days (max3465197037
0 C (32 F): Frost days (min341531940124
-10 C (14 F): Days with min3444194828
-20 C (-4 F): Days with min18319421
20 C (68 F): Tropical nights (min6119431
10 mm (0.39 in): Days with 10 mm or more rain3359196246
25 mm (0.98 in): Days with 25 mm or more rain332119599
50 mm (1.97 in): Days with 50 mm or more rain25619445
100 mm (3.94 in): Days with 100 mm or more rain2119421
200 mm (7.87 in): Days with 200 mm or more rain1119421
10 cm (3.9 in): Days with 10 cm or more snowfall341119603
25 cm (9.8 in): Days with 25 cm or more snowfall19419601

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1940.

Download the Data

  • Data for Halifax 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).