Built 2026-10-19 (19 October 2026)

Montpelier AP Threshold Days by Year (USW00094705)

17 fixed thresholds counted per year at Montpelier AP (USW00094705): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Montpelier AP Thresholds

  • Montpelier AP: days with a maximum temperature at or below 0 C (32 F) in 78 years, most in 1971 with 102.
  • Montpelier AP: nights with a minimum temperature at or below 0 C (32 F) in 78 years, most in 1965 with 197.
  • Montpelier AP: nights with a minimum temperature at or below -10 C (14 F) in 78 years, most in 1970 with 93.
  • Montpelier AP: nights with a minimum temperature at or below -20 C (-4 F) in 78 years, most in 1968 with 35.
  • 17 fixed thresholds have at least one qualifying day at Montpelier AP.
74 years with a qualifying day
Days at or above 30 C (86 F) per year at Montpelier AP Days per year at Montpelier AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 1949. 01020301949: 271950: 91951: 41952: 181953: 211954: 31955: 261956: 51957: 71958: 41959: 161960: 51961: 51962: 41963: 91964: 101965: 71966: 51968: 91969: 91970: 101971: 91972: 41973: 91974: 61975: 161976: 81977: 101978: 91979: 131980: 11981: 31982: 101983: 91984: 61986: 31987: 121988: 261989: 111990: 71991: 101992: 31993: 121994: 121995: 181996: 41998: 31999: 132001: 152002: 192003: 72004: 12005: 172006: 72007: 132008: 62009: 82010: 122011: 92012: 82013: 102014: 52015: 62016: 92017: 62018: 142019: 52020: 172021: 172022: 242023: 72024: 102025: 202026: 91949195719651974198219912001200920172025
Days per year at Montpelier AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 1949.
Days at or above 30 C (86 F) per year at Montpelier AP
YearDaysDecade average
19492727
1950911.3
1951411.3
19521811.3
19532111.3
1954311.3
19552611.3
1956511.3
1957711.3
1958411.3
19591611.3
196057
196157
196247
196397
1964107
196577
196657
196897
196997
1970109.4
197199.4
197249.4
197399.4
197469.4
1975169.4
197689.4
1977109.4
197899.4
1979139.4
198019
198139
1982109
198399
198469
198639
1987129
1988269
1989119
199079.1
1991109.1
199239.1
1993129.1
1994129.1
1995189.1
199649.1
199839.1
1999139.1
20011510.3
20021910.3
2003710.3
2004110.3
20051710.3
2006710.3
20071310.3
2008610.3
2009810.3
2010128.4
201198.4
201288.4
2013108.4
201458.4
201568.4
201698.4
201768.4
2018148.4
201958.4
20201714.9
20211714.9
20222414.9
2023714.9
20241014.9
20252014.9
2026914.9
First to last qualifying date each year at Montpelier AP For each year, a bar from the first to the last day at Montpelier AP meeting 30 C (86 F). 1949: 12 June 1949 to 27 August 19491950: 9 June 1950 to 27 August 19501951: 9 July 1951 to 26 July 19511952: 17 June 1952 to 29 August 19521953: 10 May 1953 to 5 September 19531954: 21 June 1954 to 25 August 19541955: 18 June 1955 to 19 September 19551956: 12 June 1956 to 9 August 19561957: 15 June 1957 to 24 June 19571958: 1 July 1958 to 31 August 19581959: 9 June 1959 to 9 September 19591960: 27 May 1960 to 8 September 19601961: 15 May 1961 to 4 September 19611962: 27 April 1962 to 19 May 19621963: 26 June 1963 to 29 July 19631964: 7 May 1964 to 28 July 19641965: 7 June 1965 to 22 September 19651966: 3 July 1966 to 9 August 19661968: 1 July 1968 to 25 August 19681969: 12 June 1969 to 1 September 19691970: 1 May 1970 to 22 September 19701971: 30 June 1971 to 5 September 19711972: 12 July 1972 to 25 August 19721973: 11 June 1973 to 3 September 19731974: 15 May 1974 to 22 August 19741975: 20 May 1975 to 3 August 19751976: 17 April 1976 to 22 August 19761977: 21 May 1977 to 29 August 19771978: 27 May 1978 to 15 August 19781979: 9 May 1979 to 22 August 19791980: 25 June 1980 to 25 June 19801981: 16 June 1981 to 9 July 19811982: 7 July 1982 to 8 August 19821983: 13 June 1983 to 8 August 19831984: 8 June 1984 to 5 August 19841986: 18 May 1986 to 7 July 19861987: 30 May 1987 to 17 August 19871988: 13 June 1988 to 15 August 19881989: 18 May 1989 to 10 September 19891990: 28 April 1990 to 4 August 19901991: 27 June 1991 to 30 August 19911992: 23 May 1992 to 27 August 19921993: 18 June 1993 to 31 August 19931994: 22 May 1994 to 26 August 19941995: 18 June 1995 to 17 August 19951996: 11 June 1996 to 7 August 19961998: 14 July 1998 to 16 July 19981999: 31 May 1999 to 4 September 19992001: 14 June 2001 to 9 September 20012002: 17 April 2002 to 10 September 20022003: 23 June 2003 to 5 July 20032004: 29 August 2004 to 29 August 20042005: 9 June 2005 to 10 August 20052006: 18 June 2006 to 2 August 20062007: 10 May 2007 to 7 September 20072008: 7 June 2008 to 8 July 20082009: 27 April 2009 to 18 August 20092010: 25 May 2010 to 3 September 20102011: 8 June 2011 to 4 September 20112012: 20 June 2012 to 4 August 20122013: 31 May 2013 to 11 September 20132014: 1 July 2014 to 23 July 20142015: 29 July 2015 to 9 September 20152016: 28 May 2016 to 12 August 20162017: 17 May 2017 to 26 September 20172018: 30 June 2018 to 5 September 20182019: 4 July 2019 to 30 July 20192020: 26 May 2020 to 9 September 20202021: 20 May 2021 to 26 August 20212022: 12 May 2022 to 30 August 20222023: 1 June 2023 to 7 September 20232024: 22 May 2024 to 2 August 20242025: 4 June 2025 to 13 August 20252026: 18 May 2026 to 7 August 202619491959197019801991200320132023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Montpelier AP meeting 30 C (86 F).
First to last qualifying date each year at Montpelier AP
YearFirst dateLast date
19491949-06-121949-08-27
19501950-06-091950-08-27
19511951-07-091951-07-26
19521952-06-171952-08-29
19531953-05-101953-09-05
19541954-06-211954-08-25
19551955-06-181955-09-19
19561956-06-121956-08-09
19571957-06-151957-06-24
19581958-07-011958-08-31
19591959-06-091959-09-09
19601960-05-271960-09-08
19611961-05-151961-09-04
19621962-04-271962-05-19
19631963-06-261963-07-29
19641964-05-071964-07-28
19651965-06-071965-09-22
19661966-07-031966-08-09
19681968-07-011968-08-25
19691969-06-121969-09-01
19701970-05-011970-09-22
19711971-06-301971-09-05
19721972-07-121972-08-25
19731973-06-111973-09-03
19741974-05-151974-08-22
19751975-05-201975-08-03
19761976-04-171976-08-22
19771977-05-211977-08-29
19781978-05-271978-08-15
19791979-05-091979-08-22
19801980-06-251980-06-25
19811981-06-161981-07-09
19821982-07-071982-08-08
19831983-06-131983-08-08
19841984-06-081984-08-05
19861986-05-181986-07-07
19871987-05-301987-08-17
19881988-06-131988-08-15
19891989-05-181989-09-10
19901990-04-281990-08-04
19911991-06-271991-08-30
19921992-05-231992-08-27
19931993-06-181993-08-31
19941994-05-221994-08-26
19951995-06-181995-08-17
19961996-06-111996-08-07
19981998-07-141998-07-16
19991999-05-311999-09-04
20012001-06-142001-09-09
20022002-04-172002-09-10
20032003-06-232003-07-05
20042004-08-292004-08-29
20052005-06-092005-08-10
20062006-06-182006-08-02
20072007-05-102007-09-07
20082008-06-072008-07-08
20092009-04-272009-08-18
20102010-05-252010-09-03
20112011-06-082011-09-04
20122012-06-202012-08-04
20132013-05-312013-09-11
20142014-07-012014-07-23
20152015-07-292015-09-09
20162016-05-282016-08-12
20172017-05-172017-09-26
20182018-06-302018-09-05
20192019-07-042019-07-30
20202020-05-262020-09-09
20212021-05-202021-08-26
20222022-05-122022-08-30
20232023-06-012023-09-07
20242024-05-222024-08-02
20252025-06-042025-08-13
20262026-05-182026-08-07

Every Fixed Threshold

Fixed thresholds at Montpelier AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days742719499
35 C (95 F): Days6119531
90 F (32.2 C): Days551119492
0 C (32 F): Ice days (max78102197150
0 C (32 F): Frost days (min781971965107
-10 C (14 F): Days with min7893197047
-20 C (-4 F): Days with min7835196817
-30 C (-22 F): Days with min30519681
20 C (68 F): Tropical nights (min521120211
25 C (77 F): Days with min1119821
10 mm (0.39 in): Days with 10 mm or more rain7548198322
25 mm (0.98 in): Days with 25 mm or more rain751520063
50 mm (1.97 in): Days with 50 mm or more rain36419901
100 mm (3.94 in): Days with 100 mm or more rain2120111
10 cm (3.9 in): Days with 10 cm or more snowfall471319586
25 cm (9.8 in): Days with 25 cm or more snowfall30419691
50 cm (19.7 in): Days with 50 cm or more snowfall1119711

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Montpelier AP 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).