Built 2026-10-19 (19 October 2026)

Walkerton Threshold Days by Year (CA006129235)

19 fixed thresholds counted per year at Walkerton (CA006129235): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Walkerton Thresholds

  • Walkerton: days with 10 cm (3.9 in) or more of snowfall in 56 years, most in 1918 with 23.
  • Walkerton: days with a maximum temperature at or above 30 C (86 F) in 55 years, most in 1955 with 46.
  • Walkerton: days with a maximum temperature at or below 0 C (32 F) in 55 years, most in 1920 with 100.
  • Walkerton: nights with a minimum temperature at or below 0 C (32 F) in 55 years, most in 1926 with 181.
  • 19 fixed thresholds have at least one qualifying day at Walkerton.
55 years with a qualifying day
Days at or above 30 C (86 F) per year at Walkerton Days per year at Walkerton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 46 in 1955. 02040601916: 391917: 141918: 191919: 331920: 41921: 151922: 121924: 61925: 191926: 61927: 171928: 181929: 321930: 301931: 361932: 231933: 411934: 361935: 261936: 271937: 291938: 221939: 241940: 191941: 271942: 181943: 201944: 331945: 201946: 261947: 281948: 241949: 351950: 81951: 51952: 301953: 211954: 91955: 461956: 61957: 101958: 81959: 241960: 81961: 71962: 141963: 81964: 101965: 31966: 121967: 11968: 131969: 91970: 81971: 51916192219291935194119471953195919651971
Days per year at Walkerton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 46 in 1955.
Days at or above 30 C (86 F) per year at Walkerton
YearDaysDecade average
19163926.3
19171426.3
19181926.3
19193326.3
1920414.3
19211514.3
19221214.3
1924614.3
19251914.3
1926614.3
19271714.3
19281814.3
19293214.3
19303029.4
19313629.4
19322329.4
19334129.4
19343629.4
19352629.4
19362729.4
19372929.4
19382229.4
19392429.4
19401925
19412725
19421825
19432025
19443325
19452025
19462625
19472825
19482425
19493525
1950816.7
1951516.7
19523016.7
19532116.7
1954916.7
19554616.7
1956616.7
19571016.7
1958816.7
19592416.7
196088.5
196178.5
1962148.5
196388.5
1964108.5
196538.5
1966128.5
196718.5
1968138.5
196998.5
197086.5
197156.5
First to last qualifying date each year at Walkerton For each year, a bar from the first to the last day at Walkerton meeting 30 C (86 F). 1916: 6 July 1916 to 12 September 19161917: 9 July 1917 to 20 August 19171918: 21 July 1918 to 24 August 19181919: 29 May 1919 to 9 September 19191920: 7 August 1920 to 25 September 19201921: 20 May 1921 to 1 September 19211922: 7 June 1922 to 8 September 19221924: 21 July 1924 to 1 September 19241925: 1 June 1925 to 31 August 19251926: 9 July 1926 to 4 October 19261927: 19 April 1927 to 2 October 19271928: 13 June 1928 to 27 August 19281929: 28 May 1929 to 9 September 19291930: 10 May 1930 to 12 October 19301931: 28 May 1931 to 21 September 19311932: 15 May 1932 to 2 September 19321933: 6 June 1933 to 8 September 19331934: 2 May 1934 to 26 September 19341935: 3 July 1935 to 25 September 19351936: 9 May 1936 to 23 September 19361937: 30 May 1937 to 23 September 19371938: 20 June 1938 to 11 October 19381939: 26 May 1939 to 15 September 19391940: 4 June 1940 to 20 September 19401941: 20 May 1941 to 10 September 19411942: 26 April 1942 to 17 September 19421943: 3 June 1943 to 2 September 19431944: 26 May 1944 to 16 August 19441945: 14 June 1945 to 7 September 19451946: 24 June 1946 to 19 September 19461947: 10 June 1947 to 10 September 19471948: 2 June 1948 to 17 September 19481949: 4 May 1949 to 27 August 19491950: 8 June 1950 to 27 August 19501951: 18 June 1951 to 30 August 19511952: 6 June 1952 to 14 September 19521953: 6 June 1953 to 4 September 19531954: 12 June 1954 to 23 August 19541955: 5 June 1955 to 19 September 19551956: 11 June 1956 to 1 July 19561957: 16 June 1957 to 3 August 19571958: 5 July 1958 to 12 August 19581959: 8 June 1959 to 9 September 19591960: 29 July 1960 to 8 September 19601961: 13 June 1961 to 13 September 19611962: 15 May 1962 to 13 September 19621963: 4 June 1963 to 28 July 19631964: 23 May 1964 to 28 July 19641965: 6 June 1965 to 6 August 19651966: 6 June 1966 to 25 July 19661967: 15 June 1967 to 15 June 19671968: 7 June 1968 to 24 August 19681969: 12 June 1969 to 31 August 19691970: 26 July 1970 to 15 August 19701971: 19 June 1971 to 10 August 197119161924193119381945195219591966JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Walkerton meeting 30 C (86 F).
First to last qualifying date each year at Walkerton
YearFirst dateLast date
19161916-07-061916-09-12
19171917-07-091917-08-20
19181918-07-211918-08-24
19191919-05-291919-09-09
19201920-08-071920-09-25
19211921-05-201921-09-01
19221922-06-071922-09-08
19241924-07-211924-09-01
19251925-06-011925-08-31
19261926-07-091926-10-04
19271927-04-191927-10-02
19281928-06-131928-08-27
19291929-05-281929-09-09
19301930-05-101930-10-12
19311931-05-281931-09-21
19321932-05-151932-09-02
19331933-06-061933-09-08
19341934-05-021934-09-26
19351935-07-031935-09-25
19361936-05-091936-09-23
19371937-05-301937-09-23
19381938-06-201938-10-11
19391939-05-261939-09-15
19401940-06-041940-09-20
19411941-05-201941-09-10
19421942-04-261942-09-17
19431943-06-031943-09-02
19441944-05-261944-08-16
19451945-06-141945-09-07
19461946-06-241946-09-19
19471947-06-101947-09-10
19481948-06-021948-09-17
19491949-05-041949-08-27
19501950-06-081950-08-27
19511951-06-181951-08-30
19521952-06-061952-09-14
19531953-06-061953-09-04
19541954-06-121954-08-23
19551955-06-051955-09-19
19561956-06-111956-07-01
19571957-06-161957-08-03
19581958-07-051958-08-12
19591959-06-081959-09-09
19601960-07-291960-09-08
19611961-06-131961-09-13
19621962-05-151962-09-13
19631963-06-041963-07-28
19641964-05-231964-07-28
19651965-06-061965-08-06
19661966-06-061966-07-25
19671967-06-151967-06-15
19681968-06-071968-08-24
19691969-06-121969-08-31
19701970-07-261970-08-15
19711971-06-191971-08-10

Every Fixed Threshold

Fixed thresholds at Walkerton
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days554619555
35 C (95 F): Days20819342
90 F (32.2 C): Days482919552
100 F (37.8 C): Days3319363
0 C (32 F): Ice days (max55100192074
0 C (32 F): Frost days (min551811926158
-10 C (14 F): Days with min5578196367
-20 C (-4 F): Days with min5525193411
-30 C (-22 F): Days with min26819481
-40 C (-40 F): Days with min1119341
20 C (68 F): Tropical nights (min461419591
25 C (77 F): Days with min1119171
10 mm (0.39 in): Days with 10 mm or more rain5549192826
25 mm (0.98 in): Days with 25 mm or more rain551119543
50 mm (1.97 in): Days with 50 mm or more rain21319511
100 mm (3.94 in): Days with 100 mm or more rain1119641
10 cm (3.9 in): Days with 10 cm or more snowfall5623191811
25 cm (9.8 in): Days with 25 cm or more snowfall22319181
50 cm (19.7 in): Days with 50 cm or more snowfall1119161

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

Download the Data

  • Data for Walkerton 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 (2026-10-17).