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Data as of 2025-12-31
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Built 2026-10-15 (15 October 2026)

Mont de Marsan Threshold Days by Year

10 fixed thresholds counted per year at Mont de Marsan (FRM00007607): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mont de Marsan Thresholds

  • Mont de Marsan: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 2000 with 35.
  • Mont de Marsan: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 2000 with 5.
  • Mont de Marsan: days with a maximum temperature at or above 30 C (86 F) in 10 years, most in 2001 with 37.
  • Mont de Marsan: days with a maximum temperature at or above 90 F (32.2 C) in 10 years, most in 2001 with 22.
  • 10 fixed thresholds have at least one qualifying day at Mont de Marsan.
10 years with a qualifying day
Days at or above 30 C (86 F) per year at Mont de Marsan Days per year at Mont de Marsan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 37 in 2001. 0102030401983: 241984: 211985: 271992: 331993: 181994: 341996: 271999: 202000: 312001: 371983198419851992199319941996199920002001
Days per year at Mont de Marsan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 37 in 2001.
Days at or above 30 C (86 F) per year at Mont de Marsan
YearDaysDecade average
19832424
19842124
19852724
19923326.4
19931826.4
19943426.4
19962726.4
19992026.4
20003134
20013734
First to last qualifying date each year at Mont de Marsan For each year, a bar from the first to the last day at Mont de Marsan meeting 30 C (86 F). 1983: 3 June 1983 to 4 October 19831984: 14 June 1984 to 13 September 19841985: 5 June 1985 to 3 October 19851992: 13 May 1992 to 28 August 19921993: 1 June 1993 to 22 August 19931994: 31 May 1994 to 11 September 19941996: 30 May 1996 to 19 August 19961999: 24 June 1999 to 11 September 19992000: 1 June 2000 to 15 September 20002001: 27 May 2001 to 2 October 200119831985199319962000JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mont de Marsan meeting 30 C (86 F).
First to last qualifying date each year at Mont de Marsan
YearFirst dateLast date
19831983-06-031983-10-04
19841984-06-141984-09-13
19851985-06-051985-10-03
19921992-05-131992-08-28
19931993-06-011993-08-22
19941994-05-311994-09-11
19961996-05-301996-08-19
19991999-06-241999-09-11
20002000-06-012000-09-15
20012001-05-272001-10-02

Every Fixed Threshold

Fixed thresholds at Mont de Marsan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1037200137
35 C (95 F): Days9820018
90 F (32.2 C): Days1022200122
100 F (37.8 C): Days2119851
0 C (32 F): Ice days (max5619853
0 C (32 F): Frost days (min10n/a1
10 mm (0.39 in): Days with 10 mm or more rain363520001
25 mm (0.98 in): Days with 25 mm or more rain35520001
50 mm (1.97 in): Days with 50 mm or more rain60n/a2
100 mm (3.94 in): Days with 100 mm or more rain20n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1983.

Download the Data

  • Data for Mont de Marsan 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).