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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

St Janvier Threshold Days by Year (CA007017386)

15 fixed thresholds counted per year at St Janvier (CA007017386): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for St Janvier Thresholds

  • St Janvier: days with a maximum temperature at or below 0 C (32 F) in 9 years, most in 1976 with 107.
  • St Janvier: nights with a minimum temperature at or below 0 C (32 F) in 9 years, most in 1976 with 186.
  • St Janvier: nights with a minimum temperature at or below -10 C (14 F) in 9 years, most in 1978 with 101.
  • St Janvier: nights with a minimum temperature at or below -20 C (-4 F) in 9 years, most in 1976 with 48.
  • 15 fixed thresholds have at least one qualifying day at St Janvier.
8 years with a qualifying day
Days at or above 30 C (86 F) per year at St Janvier Days per year at St Janvier with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 1983. 01020301973: 111975: 201976: 61977: 91978: 111979: 71980: 41983: 2719731975197619771978197919801983
Days per year at St Janvier with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 1983.
Days at or above 30 C (86 F) per year at St Janvier
YearDaysDecade average
19731110.7
19752010.7
1976610.7
1977910.7
19781110.7
1979710.7
1980415.5
19832715.5
First to last qualifying date each year at St Janvier For each year, a bar from the first to the last day at St Janvier meeting 30 C (86 F). 1973: 8 July 1973 to 3 September 19731975: 20 May 1975 to 26 August 19751976: 6 June 1976 to 21 August 19761977: 17 May 1977 to 29 August 19771978: 27 May 1978 to 15 August 19781979: 9 May 1979 to 25 July 19791980: 24 June 1980 to 24 August 19801983: 12 June 1983 to 20 September 198319731975197619771978197919801983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at St Janvier meeting 30 C (86 F).
First to last qualifying date each year at St Janvier
YearFirst dateLast date
19731973-07-081973-09-03
19751975-05-201975-08-26
19761976-06-061976-08-21
19771977-05-171977-08-29
19781978-05-271978-08-15
19791979-05-091979-07-25
19801980-06-241980-08-24
19831983-06-121983-09-20

Every Fixed Threshold

Fixed thresholds at St Janvier
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days827198327
35 C (95 F): Days1119751
90 F (32.2 C): Days4719755
0 C (32 F): Ice days (max9107197668
0 C (32 F): Frost days (min91861976170
-10 C (14 F): Days with min9101197864
-20 C (-4 F): Days with min948197619
-30 C (-22 F): Days with min91019733
-40 C (-40 F): Days with min1119761
20 C (68 F): Tropical nights (min8919736
10 mm (0.39 in): Days with 10 mm or more rain949198349
25 mm (0.98 in): Days with 25 mm or more rain9819747
50 mm (1.97 in): Days with 50 mm or more rain3219792
10 cm (3.9 in): Days with 10 cm or more snowfall9919737
25 cm (9.8 in): Days with 25 cm or more snowfall1119741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for St Janvier 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).