Built 2026-10-19 (19 October 2026)

Orillia Threshold Days by Year

18 fixed thresholds counted per year at Orillia (CA006115810): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Orillia Thresholds

  • Orillia: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1951 with 39.
  • Orillia: days with 10 cm (3.9 in) or more of snowfall in 68 years, most in 1875 with 15.
  • Orillia: days with 25 mm (0.98 in) or more of precipitation in 66 years, most in 1942 with 10.
  • Orillia: nights with a minimum temperature at or below 0 C (32 F) in 54 years, most in 1956 with 189.
  • 18 fixed thresholds have at least one qualifying day at Orillia.
51 years with a qualifying day
Days at or above 30 C (86 F) per year at Orillia Days per year at Orillia with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 31 in 1916. 0102030401893: 31894: 71895: 91896: 81898: 161899: 51900: 111901: 111902: 21904: 11906: 31907: 61908: 101909: 131911: 201912: 131913: 241914: 201915: 81916: 311917: 101918: 201926: 21927: 31929: 91930: 71931: 151932: 51934: 111935: 141936: 161937: 181938: 71939: 71940: 41941: 131942: 51943: 91944: 131945: 11946: 21949: 241950: 21951: 11952: 91953: 101956: 41957: 41959: 111960: 21961: 8189319001908191519291936194219501959
Days per year at Orillia with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 31 in 1916.
Days at or above 30 C (86 F) per year at Orillia
YearDaysDecade average
189338
189478
189598
189688
1898168
189958
1900117.1
1901117.1
190227.1
190417.1
190637.1
190767.1
1908107.1
1909137.1
19112018.3
19121318.3
19132418.3
19142018.3
1915818.3
19163118.3
19171018.3
19182018.3
192624.7
192734.7
192994.7
1930711.1
19311511.1
1932511.1
19341111.1
19351411.1
19361611.1
19371811.1
1938711.1
1939711.1
194048.9
1941138.9
194258.9
194398.9
1944138.9
194518.9
194628.9
1949248.9
195025.9
195115.9
195295.9
1953105.9
195645.9
195745.9
1959115.9
196025
196185
First to last qualifying date each year at Orillia For each year, a bar from the first to the last day at Orillia meeting 30 C (86 F). 1893: 20 June 1893 to 11 August 18931894: 22 June 1894 to 24 August 18941895: 29 May 1895 to 22 September 18951896: 2 July 1896 to 11 August 18961898: 11 June 1898 to 3 September 18981899: 23 July 1899 to 21 August 18991900: 6 July 1900 to 2 September 19001901: 26 June 1901 to 22 August 19011902: 7 July 1902 to 14 July 19021904: 18 July 1904 to 18 July 19041906: 5 August 1906 to 11 September 19061907: 17 June 1907 to 12 August 19071908: 7 June 1908 to 9 September 19081909: 20 June 1909 to 14 September 19091911: 11 May 1911 to 1 September 19111912: 25 June 1912 to 10 September 19121913: 3 May 1913 to 2 September 19131914: 21 May 1914 to 22 September 19141915: 13 June 1915 to 14 September 19151916: 7 July 1916 to 22 August 19161917: 13 June 1917 to 1 August 19171918: 17 May 1918 to 23 August 19181926: 21 July 1926 to 22 July 19261927: 30 June 1927 to 13 July 19271929: 30 May 1929 to 4 September 19291930: 3 June 1930 to 8 August 19301931: 28 May 1931 to 13 September 19311932: 22 July 1932 to 31 August 19321934: 2 June 1934 to 18 August 19341935: 5 July 1935 to 25 September 19351936: 7 May 1936 to 23 September 19361937: 31 May 1937 to 3 September 19371938: 8 July 1938 to 20 August 19381939: 28 June 1939 to 15 September 19391940: 19 July 1940 to 25 July 19401941: 20 June 1941 to 16 September 19411942: 13 July 1942 to 22 August 19421943: 15 June 1943 to 1 September 19431944: 26 May 1944 to 15 August 19441945: 25 July 1945 to 25 July 19451946: 19 July 1946 to 18 September 19461949: 3 June 1949 to 4 September 19491950: 23 June 1950 to 16 July 19501951: 25 July 1951 to 25 July 19511952: 24 June 1952 to 13 September 19521953: 17 July 1953 to 4 September 19531956: 12 June 1956 to 1 July 19561957: 17 June 1957 to 2 August 19571959: 9 June 1959 to 9 September 19591960: 7 September 1960 to 8 September 19601961: 29 June 1961 to 11 September 196118931901191119181934194119501960JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Orillia meeting 30 C (86 F).
First to last qualifying date each year at Orillia
YearFirst dateLast date
18931893-06-201893-08-11
18941894-06-221894-08-24
18951895-05-291895-09-22
18961896-07-021896-08-11
18981898-06-111898-09-03
18991899-07-231899-08-21
19001900-07-061900-09-02
19011901-06-261901-08-22
19021902-07-071902-07-14
19041904-07-181904-07-18
19061906-08-051906-09-11
19071907-06-171907-08-12
19081908-06-071908-09-09
19091909-06-201909-09-14
19111911-05-111911-09-01
19121912-06-251912-09-10
19131913-05-031913-09-02
19141914-05-211914-09-22
19151915-06-131915-09-14
19161916-07-071916-08-22
19171917-06-131917-08-01
19181918-05-171918-08-23
19261926-07-211926-07-22
19271927-06-301927-07-13
19291929-05-301929-09-04
19301930-06-031930-08-08
19311931-05-281931-09-13
19321932-07-221932-08-31
19341934-06-021934-08-18
19351935-07-051935-09-25
19361936-05-071936-09-23
19371937-05-311937-09-03
19381938-07-081938-08-20
19391939-06-281939-09-15
19401940-07-191940-07-25
19411941-06-201941-09-16
19421942-07-131942-08-22
19431943-06-151943-09-01
19441944-05-261944-08-15
19451945-07-251945-07-25
19461946-07-191946-09-18
19491949-06-031949-09-04
19501950-06-231950-07-16
19511951-07-251951-07-25
19521952-06-241952-09-13
19531953-07-171953-09-04
19561956-06-121956-07-01
19571957-06-171957-08-02
19591959-06-091959-09-09
19601960-09-071960-09-08
19611961-06-291961-09-11

Every Fixed Threshold

Fixed thresholds at Orillia
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days513119168
35 C (95 F): Days101019161
40 C (104 F): Days1119111
90 F (32.2 C): Days372619161
100 F (37.8 C): Days3319111
0 C (32 F): Ice days (max53103190470
0 C (32 F): Frost days (min541891956169
-10 C (14 F): Days with min5497189363
-20 C (-4 F): Days with min5445193420
-30 C (-22 F): Days with min38919042
20 C (68 F): Tropical nights (min421419162
25 C (77 F): Days with min3119131
10 mm (0.39 in): Days with 10 mm or more rain6839195127
25 mm (0.98 in): Days with 25 mm or more rain661019427
50 mm (1.97 in): Days with 50 mm or more rain17218782
10 cm (3.9 in): Days with 10 cm or more snowfall681518756
25 cm (9.8 in): Days with 25 cm or more snowfall21218841
50 cm (19.7 in): Days with 50 cm or more snowfall2118781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

  • Data for Orillia 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).