Built 2026-10-19 (19 October 2026)

Belleterre Threshold Days by Year (CA007080600)

16 fixed thresholds counted per year at Belleterre (CA007080600): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Belleterre Thresholds

  • Belleterre: days with a maximum temperature at or below 0 C (32 F) in 30 years, most in 1978 with 124.
  • Belleterre: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 1961 with 219.
  • Belleterre: nights with a minimum temperature at or below -10 C (14 F) in 30 years, most in 1959 with 128.
  • Belleterre: nights with a minimum temperature at or below -20 C (-4 F) in 30 years, most in 1978 with 83.
  • 16 fixed thresholds have at least one qualifying day at Belleterre.
26 years with a qualifying day
Days at or above 30 C (86 F) per year at Belleterre Days per year at Belleterre with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 1963. 0510151952: 21953: 81956: 21957: 31958: 11959: 81960: 11962: 41963: 131964: 61966: 81968: 41969: 41970: 121971: 41972: 11973: 31974: 21975: 131976: 41977: 41978: 61979: 51980: 11981: 31983: 7195219571960196419691972197519781981
Days per year at Belleterre with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 1963.
Days at or above 30 C (86 F) per year at Belleterre
YearDaysDecade average
195224
195384
195624
195734
195814
195984
196015.7
196245.7
1963135.7
196465.7
196685.7
196845.7
196945.7
1970125.4
197145.4
197215.4
197335.4
197425.4
1975135.4
197645.4
197745.4
197865.4
197955.4
198013.7
198133.7
198373.7
First to last qualifying date each year at Belleterre For each year, a bar from the first to the last day at Belleterre meeting 30 C (86 F). 1952: 2 July 1952 to 7 July 19521953: 21 June 1953 to 3 September 19531956: 12 June 1956 to 13 June 19561957: 17 June 1957 to 19 July 19571958: 27 July 1958 to 27 July 19581959: 8 June 1959 to 9 September 19591960: 19 August 1960 to 19 August 19601962: 16 May 1962 to 7 July 19621963: 24 June 1963 to 28 July 19631964: 22 May 1964 to 24 July 19641966: 23 June 1966 to 12 July 19661968: 15 July 1968 to 18 July 19681969: 14 July 1969 to 24 August 19691970: 9 June 1970 to 15 August 19701971: 29 June 1971 to 10 August 19711972: 12 July 1972 to 12 July 19721973: 7 July 1973 to 2 September 19731974: 13 July 1974 to 14 July 19741975: 21 May 1975 to 2 August 19751976: 6 June 1976 to 6 July 19761977: 17 May 1977 to 20 July 19771978: 26 May 1978 to 15 August 19781979: 12 July 1979 to 24 July 19791980: 25 June 1980 to 25 June 19801981: 6 July 1981 to 9 July 19811983: 12 June 1983 to 15 July 19831952195819631969197319771981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Belleterre meeting 30 C (86 F).
First to last qualifying date each year at Belleterre
YearFirst dateLast date
19521952-07-021952-07-07
19531953-06-211953-09-03
19561956-06-121956-06-13
19571957-06-171957-07-19
19581958-07-271958-07-27
19591959-06-081959-09-09
19601960-08-191960-08-19
19621962-05-161962-07-07
19631963-06-241963-07-28
19641964-05-221964-07-24
19661966-06-231966-07-12
19681968-07-151968-07-18
19691969-07-141969-08-24
19701970-06-091970-08-15
19711971-06-291971-08-10
19721972-07-121972-07-12
19731973-07-071973-09-02
19741974-07-131974-07-14
19751975-05-211975-08-02
19761976-06-061976-07-06
19771977-05-171977-07-20
19781978-05-261978-08-15
19791979-07-121979-07-24
19801980-06-251980-06-25
19811981-07-061981-07-09
19831983-06-121983-07-15

Every Fixed Threshold

Fixed thresholds at Belleterre
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days261319637
35 C (95 F): Days1219752
90 F (32.2 C): Days12419661
0 C (32 F): Ice days (max301241978108
0 C (32 F): Frost days (min302191961209
-10 C (14 F): Days with min30128195999
-20 C (-4 F): Days with min3083197855
-30 C (-22 F): Days with min3039198219
-40 C (-40 F): Days with min231119623
20 C (68 F): Tropical nights (min17419714
10 mm (0.39 in): Days with 10 mm or more rain2942197328
25 mm (0.98 in): Days with 25 mm or more rain28919567
50 mm (1.97 in): Days with 50 mm or more rain13219661
100 mm (3.94 in): Days with 100 mm or more rain1119691
10 cm (3.9 in): Days with 10 cm or more snowfall301219594
25 cm (9.8 in): Days with 25 cm or more snowfall4119541

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for Belleterre 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).