Built 2026-10-19 (19 October 2026)

New Westminster Threshold Days by Year (CA001105550)

14 fixed thresholds counted per year at New Westminster (CA001105550): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for New Westminster Thresholds

  • New Westminster: nights with a minimum temperature at or below 0 C (32 F) in 76 years, most in 1875 with 114.
  • New Westminster: days with 10 mm (0.39 in) or more of precipitation in 75 years, most in 1953 with 73.
  • New Westminster: days with 25 mm (0.98 in) or more of precipitation in 75 years, most in 1875 with 22.
  • New Westminster: days with a maximum temperature at or below 0 C (32 F) in 69 years, most in 1916 with 33.
  • 14 fixed thresholds have at least one qualifying day at New Westminster.
66 years with a qualifying day
Days at or above 30 C (86 F) per year at New Westminster Days per year at New Westminster with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 1939. 0510151875: 41876: 11877: 11878: 11879: 11880: 31895: 111896: 91897: 61898: 81899: 41900: 11902: 31903: 21904: 51905: 21906: 41907: 21908: 41910: 21911: 61912: 71913: 61914: 21915: 81916: 61917: 11918: 31919: 21920: 51922: 61923: 61924: 71925: 71926: 71927: 81930: 21931: 81932: 41933: 71934: 61935: 71936: 11937: 11938: 121939: 131940: 61941: 91942: 81943: 31944: 91945: 61946: 71947: 31948: 31949: 51951: 41952: 31955: 11956: 41958: 131959: 11960: 61961: 71963: 11965: 61875189619041912191919271936194319511961
Days per year at New Westminster with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 1939.
Days at or above 30 C (86 F) per year at New Westminster
YearDaysDecade average
187541.6
187611.6
187711.6
187811.6
187911.6
188033
1895117.6
189697.6
189767.6
189887.6
189947.6
190012.9
190232.9
190322.9
190452.9
190522.9
190642.9
190722.9
190842.9
191024.3
191164.3
191274.3
191364.3
191424.3
191584.3
191664.3
191714.3
191834.3
191924.3
192056.6
192266.6
192366.6
192476.6
192576.6
192676.6
192786.6
193026.1
193186.1
193246.1
193376.1
193466.1
193576.1
193616.1
193716.1
1938126.1
1939136.1
194065.9
194195.9
194285.9
194335.9
194495.9
194565.9
194675.9
194735.9
194835.9
194955.9
195144.3
195234.3
195514.3
195644.3
1958134.3
195914.3
196065
196175
196315
196565
First to last qualifying date each year at New Westminster For each year, a bar from the first to the last day at New Westminster meeting 30 C (86 F). 1875: 8 July 1875 to 21 July 18751876: 17 June 1876 to 17 June 18761877: 16 July 1877 to 16 July 18771878: 6 June 1878 to 6 June 18781879: 26 July 1879 to 26 July 18791880: 26 June 1880 to 16 July 18801895: 15 May 1895 to 28 August 18951896: 25 June 1896 to 21 August 18961897: 11 July 1897 to 17 August 18971898: 7 June 1898 to 25 August 18981899: 26 July 1899 to 29 July 18991900: 1 August 1900 to 1 August 19001902: 19 July 1902 to 9 August 19021903: 7 June 1903 to 8 June 19031904: 21 July 1904 to 5 August 19041905: 8 July 1905 to 9 July 19051906: 2 July 1906 to 14 July 19061907: 30 July 1907 to 31 July 19071908: 7 July 1908 to 18 August 19081910: 10 July 1910 to 20 July 19101911: 13 July 1911 to 24 July 19111912: 13 May 1912 to 18 July 19121913: 18 July 1913 to 1 August 19131914: 15 June 1914 to 13 August 19141915: 30 June 1915 to 28 August 19151916: 16 June 1916 to 26 August 19161917: 14 July 1917 to 14 July 19171918: 20 June 1918 to 17 July 19181919: 14 July 1919 to 15 August 19191920: 6 July 1920 to 12 August 19201922: 30 May 1922 to 26 August 19221923: 5 June 1923 to 16 August 19231924: 29 June 1924 to 12 September 19241925: 16 May 1925 to 19 August 19251926: 24 June 1926 to 12 July 19261927: 16 July 1927 to 15 August 19271930: 12 July 1930 to 28 July 19301931: 6 July 1931 to 28 August 19311932: 10 June 1932 to 13 June 19321933: 15 July 1933 to 27 August 19331934: 24 July 1934 to 2 September 19341935: 6 June 1935 to 28 August 19351936: 28 August 1936 to 28 August 19361937: 14 September 1937 to 14 September 19371938: 6 June 1938 to 17 September 19381939: 14 May 1939 to 22 August 19391940: 5 August 1940 to 9 September 19401941: 11 June 1941 to 19 August 19411942: 29 June 1942 to 15 August 19421943: 15 August 1943 to 8 September 19431944: 9 June 1944 to 10 September 19441945: 6 July 1945 to 6 August 19451946: 19 July 1946 to 10 September 19461947: 25 May 1947 to 17 July 19471948: 6 June 1948 to 9 June 19481949: 14 July 1949 to 7 September 19491951: 29 June 1951 to 14 September 19511952: 3 August 1952 to 9 August 19521955: 9 June 1955 to 9 June 19551956: 18 May 1956 to 19 July 19561958: 18 May 1958 to 28 July 19581959: 31 July 1959 to 31 July 19591960: 6 July 1960 to 9 August 19601961: 11 July 1961 to 19 August 19611963: 21 May 1963 to 21 May 19631965: 24 July 1965 to 18 August 196518751898190819181930193919481961JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at New Westminster meeting 30 C (86 F).
First to last qualifying date each year at New Westminster
YearFirst dateLast date
18751875-07-081875-07-21
18761876-06-171876-06-17
18771877-07-161877-07-16
18781878-06-061878-06-06
18791879-07-261879-07-26
18801880-06-261880-07-16
18951895-05-151895-08-28
18961896-06-251896-08-21
18971897-07-111897-08-17
18981898-06-071898-08-25
18991899-07-261899-07-29
19001900-08-011900-08-01
19021902-07-191902-08-09
19031903-06-071903-06-08
19041904-07-211904-08-05
19051905-07-081905-07-09
19061906-07-021906-07-14
19071907-07-301907-07-31
19081908-07-071908-08-18
19101910-07-101910-07-20
19111911-07-131911-07-24
19121912-05-131912-07-18
19131913-07-181913-08-01
19141914-06-151914-08-13
19151915-06-301915-08-28
19161916-06-161916-08-26
19171917-07-141917-07-14
19181918-06-201918-07-17
19191919-07-141919-08-15
19201920-07-061920-08-12
19221922-05-301922-08-26
19231923-06-051923-08-16
19241924-06-291924-09-12
19251925-05-161925-08-19
19261926-06-241926-07-12
19271927-07-161927-08-15
19301930-07-121930-07-28
19311931-07-061931-08-28
19321932-06-101932-06-13
19331933-07-151933-08-27
19341934-07-241934-09-02
19351935-06-061935-08-28
19361936-08-281936-08-28
19371937-09-141937-09-14
19381938-06-061938-09-17
19391939-05-141939-08-22
19401940-08-051940-09-09
19411941-06-111941-08-19
19421942-06-291942-08-15
19431943-08-151943-09-08
19441944-06-091944-09-10
19451945-07-061945-08-06
19461946-07-191946-09-10
19471947-05-251947-07-17
19481948-06-061948-06-09
19491949-07-141949-09-07
19511951-06-291951-09-14
19521952-08-031952-08-09
19551955-06-091955-06-09
19561956-05-181956-07-19
19581958-05-181958-07-28
19591959-07-311959-07-31
19601960-07-061960-08-09
19611961-07-111961-08-19
19631963-05-211963-05-21
19651965-07-241965-08-18

Every Fixed Threshold

Fixed thresholds at New Westminster
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days661319396
35 C (95 F): Days7319411
90 F (32.2 C): Days44819394
0 C (32 F): Ice days (max693319163
0 C (32 F): Frost days (min76114187555
-10 C (14 F): Days with min522119502
-20 C (-4 F): Days with min1218752
20 C (68 F): Tropical nights (min4419412
10 mm (0.39 in): Days with 10 mm or more rain7573195346
25 mm (0.98 in): Days with 25 mm or more rain7522187514
50 mm (1.97 in): Days with 50 mm or more rain59418753
100 mm (3.94 in): Days with 100 mm or more rain6118801
10 cm (3.9 in): Days with 10 cm or more snowfall601219513
25 cm (9.8 in): Days with 25 cm or more snowfall18219131

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1875.

Download the Data

  • Data for New Westminster 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).