Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Days with 10 cm (3.9 in) or more of snowfall in Boston

Boston has had days with 10 cm (3.9 in) or more of snowfall in 84 years, most in 2005 with 9. Days per year, season span, streaks and every date.

Key Facts for Boston

  • Boston has had days with 10 cm (3.9 in) or more of snowfall in 84 years, 287 days in all.
  • The most in one year was 9 days in 2005.
  • In 2026, the latest year on file, there were 4 such days.
  • The earliest first date in a year was 1 January 1938.
  • The latest last date in a year was 31 December 2008.
  • The longest run inside a single year was 3 days in 1969.
  • 1 year with under 90 percent of days observed is left out of these rankings.

Days per Year

84 years, 287 days
Days with 10 cm (3.9 in) or more of snowfall per year in Boston Days per year in Boston with 10 cm (3.9 in) or more of snowfall. The line is the decade average. The most was 9 in 2005. Grey bars are years with under 90 percent of days observed, left out of rankings. 0358101936: 21938: 61939: 41940: 31941: 31942: 21943: 41944: 21945: 61946: 11947: 51948: 61949: 31950: 21951: 31952: 21953: 21954: 21955: 11956: 61957: 31958: 21959: 11960: 31961: 31962: 21963: 31964: 71965: 21966: 61967: 61968: 21969: 61970: 61971: 21972: 21974: 21975: 31976: 31977: 31978: 61979: 11980: 11981: 11982: 31983: 21984: 31985: 11987: 41988: 41989: 11990: 31991: 21992: 21993: 61994: 81995: 31996: 81997: 41999: 32000: 22001: 22003: 72004: 22005: 92006: 22007: 42008: 42009: 62010: 42011: 52013: 62014: 32015: 62016: 52017: 42018: 22019: 22020: 22021: 22022: 42024: 12025: 12026: 4193619471957196719781989200020112022
Days per year in Boston with 10 cm (3.9 in) or more of snowfall. The line is the decade average. The most was 9 in 2005. Grey bars are years with under 90 percent of days observed, left out of rankings.
Days with 10 cm (3.9 in) or more of snowfall per year in Boston
YearDaysDecade average
193624
193864
193944
194033.5
194133.5
194223.5
194343.5
194423.5
194563.5
194613.5
194753.5
194863.5
194933.5
195022.4
195132.4
195222.4
195322.4
195422.4
195512.4
195662.4
195732.4
195822.4
195912.4
196034
196134
196224
196334
196474
196524
196664
196764
196824
196964
197063.1
197123.1
197223.1
197423.1
197533.1
197633.1
197733.1
197863.1
197913.1
198012.2
198112.2
198232.2
198322.2
198432.2
198512.2
198742.2
198842.2
198912.2
199034.3
199124.3
199224.3
199364.3
199484.3
199534.3
199684.3
199744.3
199934.3
200024.2
200124.2
200374.2
200424.2
200594.2
200624.2
200744.2
200844.2
200964.2
201044.1
201154.1
201364.1
201434.1
201564.1
201654.1
201744.1
201824.1
201924.1
202022.3
202122.3
202242.3
202412.3
202512.3
202642.3

Season Span

earliest 1 January, latest 31 December
First to last qualifying date each year in Boston For each year, a bar from the first to the last day in Boston meeting 10 cm (3.9 in). Long bars mean a long season. 1936: 19 January 1936 to 14 February 19361938: 1 January 1938 to 25 November 19381939: 9 March 1939 to 30 December 19391940: 15 February 1940 to 27 November 19401941: 4 January 1941 to 8 March 19411942: 4 January 1942 to 5 February 19421943: 4 January 1943 to 6 March 19431944: 11 February 1944 to 20 March 19441945: 7 January 1945 to 29 December 19451946: 20 February 1946 to 20 February 19461947: 21 February 1947 to 27 December 19471948: 18 January 1948 to 19 December 19481949: 26 January 1949 to 1 March 19491950: 14 February 1950 to 22 February 19501951: 7 January 1951 to 4 February 19511952: 3 January 1952 to 27 February 19521953: 9 January 1953 to 12 February 19531954: 11 January 1954 to 21 December 19541955: 4 March 1955 to 4 March 19551956: 17 January 1956 to 29 December 19561957: 7 January 1957 to 20 March 19571958: 16 February 1958 to 21 March 19581959: 12 March 1959 to 12 March 19591960: 3 March 1960 to 12 December 19601961: 20 January 1961 to 24 December 19611962: 14 February 1962 to 19 February 19621963: 27 January 1963 to 12 December 19631964: 13 January 1964 to 20 December 19641965: 16 January 1965 to 24 January 19651966: 2 January 1966 to 24 December 19661967: 7 February 1967 to 28 December 19671968: 7 January 1968 to 25 January 19681969: 9 February 1969 to 26 December 19691970: 15 February 1970 to 23 December 19701971: 1 January 1971 to 11 March 19711972: 19 February 1972 to 5 March 19721974: 9 January 1974 to 2 February 19741975: 5 February 1975 to 22 December 19751976: 11 January 1976 to 29 December 19761977: 7 January 1977 to 18 March 19771978: 13 January 1978 to 9 December 19781979: 17 January 1979 to 17 January 19791980: 16 February 1980 to 16 February 19801981: 6 December 1981 to 6 December 19811982: 13 January 1982 to 6 April 19821983: 7 February 1983 to 12 February 19831984: 11 January 1984 to 29 March 19841985: 6 February 1985 to 6 February 19851987: 19 January 1987 to 29 December 19871988: 4 January 1988 to 12 February 19881989: 23 November 1989 to 23 November 19891990: 4 February 1990 to 25 February 19901991: 11 January 1991 to 12 January 19911992: 19 March 1992 to 12 December 19921993: 13 January 1993 to 30 December 19931994: 4 January 1994 to 3 March 19941995: 4 February 1995 to 20 December 19951996: 3 January 1996 to 10 April 19961997: 11 January 1997 to 23 December 19971999: 14 January 1999 to 15 March 19992000: 13 January 2000 to 18 February 20002001: 21 January 2001 to 6 March 20012003: 7 February 2003 to 14 December 20032004: 16 March 2004 to 26 December 20042005: 6 January 2005 to 9 December 20052006: 23 January 2006 to 12 February 20062007: 16 March 2007 to 20 December 20072008: 14 January 2008 to 31 December 20082009: 11 January 2009 to 20 December 20092010: 2 January 2010 to 27 December 20102011: 12 January 2011 to 27 February 20112013: 8 February 2013 to 17 December 20132014: 2 January 2014 to 5 February 20142015: 24 January 2015 to 15 February 20152016: 23 January 2016 to 17 December 20162017: 7 January 2017 to 9 December 20172018: 4 January 2018 to 13 March 20182019: 4 March 2019 to 3 December 20192020: 30 October 2020 to 17 December 20202021: 7 February 2021 to 19 February 20212022: 7 January 2022 to 25 February 20222024: 20 December 2024 to 20 December 20242025: 9 February 2025 to 9 February 20252026: 25 January 2026 to 23 February 202619361948195919701982199420072019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day in Boston meeting 10 cm (3.9 in). Long bars mean a long season.
First to last qualifying date each year in Boston
YearFirst dateLast date
19361936-01-191936-02-14
19381938-01-011938-11-25
19391939-03-091939-12-30
19401940-02-151940-11-27
19411941-01-041941-03-08
19421942-01-041942-02-05
19431943-01-041943-03-06
19441944-02-111944-03-20
19451945-01-071945-12-29
19461946-02-201946-02-20
19471947-02-211947-12-27
19481948-01-181948-12-19
19491949-01-261949-03-01
19501950-02-141950-02-22
19511951-01-071951-02-04
19521952-01-031952-02-27
19531953-01-091953-02-12
19541954-01-111954-12-21
19551955-03-041955-03-04
19561956-01-171956-12-29
19571957-01-071957-03-20
19581958-02-161958-03-21
19591959-03-121959-03-12
19601960-03-031960-12-12
19611961-01-201961-12-24
19621962-02-141962-02-19
19631963-01-271963-12-12
19641964-01-131964-12-20
19651965-01-161965-01-24
19661966-01-021966-12-24
19671967-02-071967-12-28
19681968-01-071968-01-25
19691969-02-091969-12-26
19701970-02-151970-12-23
19711971-01-011971-03-11
19721972-02-191972-03-05
19741974-01-091974-02-02
19751975-02-051975-12-22
19761976-01-111976-12-29
19771977-01-071977-03-18
19781978-01-131978-12-09
19791979-01-171979-01-17
19801980-02-161980-02-16
19811981-12-061981-12-06
19821982-01-131982-04-06
19831983-02-071983-02-12
19841984-01-111984-03-29
19851985-02-061985-02-06
19871987-01-191987-12-29
19881988-01-041988-02-12
19891989-11-231989-11-23
19901990-02-041990-02-25
19911991-01-111991-01-12
19921992-03-191992-12-12
19931993-01-131993-12-30
19941994-01-041994-03-03
19951995-02-041995-12-20
19961996-01-031996-04-10
19971997-01-111997-12-23
19991999-01-141999-03-15
20002000-01-132000-02-18
20012001-01-212001-03-06
20032003-02-072003-12-14
20042004-03-162004-12-26
20052005-01-062005-12-09
20062006-01-232006-02-12
20072007-03-162007-12-20
20082008-01-142008-12-31
20092009-01-112009-12-20
20102010-01-022010-12-27
20112011-01-122011-02-27
20132013-02-082013-12-17
20142014-01-022014-02-05
20152015-01-242015-02-15
20162016-01-232016-12-17
20172017-01-072017-12-09
20182018-01-042018-03-13
20192019-03-042019-12-03
20202020-10-302020-12-17
20212021-02-072021-02-19
20222022-01-072022-02-25
20242024-12-202024-12-20
20252025-02-092025-02-09
20262026-01-252026-02-23

Every Year

Days with 10 cm (3.9 in) or more of snowfall per year in Boston
YearDaysFirst dateLast dateLongest streak in yearCoverage
2026425 January 202623 February 20262 daysIncomplete, not ranked
202519 February 20259 February 20251 daysComplete
2024120 December 202420 December 20241 daysComplete
202247 January 202225 February 20221 daysComplete
202127 February 202119 February 20211 daysComplete
2020230 October 202017 December 20201 daysComplete
201924 March 20193 December 20191 daysComplete
201824 January 201813 March 20181 daysComplete
201747 January 20179 December 20171 daysComplete
2016523 January 201617 December 20161 daysComplete
2015624 January 201515 February 20152 daysComplete
201432 January 20145 February 20142 daysComplete
201368 February 201317 December 20132 daysComplete
2011512 January 201127 February 20111 daysComplete
201042 January 201027 December 20102 daysComplete
2009611 January 200920 December 20091 daysComplete
2008414 January 200831 December 20081 daysComplete
2007416 March 200720 December 20071 daysComplete
2006223 January 200612 February 20061 daysComplete
200596 January 20059 December 20052 daysComplete
2004216 March 200426 December 20041 daysComplete
200377 February 200314 December 20032 daysComplete
2001221 January 20016 March 20011 daysComplete
2000213 January 200018 February 20001 daysComplete
1999314 January 199915 March 19991 daysComplete
1997411 January 199723 December 19971 daysComplete
199683 January 199610 April 19962 daysComplete
199534 February 199520 December 19951 daysComplete
199484 January 19943 March 19942 daysComplete
1993613 January 199330 December 19931 daysComplete
1992219 March 199212 December 19921 daysComplete
1991211 January 199112 January 19912 daysComplete
199034 February 199025 February 19902 daysComplete
1989123 November 198923 November 19891 daysComplete
198844 January 198812 February 19881 daysComplete
1987419 January 198729 December 19871 daysComplete
198516 February 19856 February 19851 daysComplete
1984311 January 198429 March 19841 daysComplete
198327 February 198312 February 19831 daysComplete
1982313 January 19826 April 19822 daysComplete
198116 December 19816 December 19811 daysComplete
1980116 February 198016 February 19801 daysComplete
1979117 January 197917 January 19791 daysComplete
1978613 January 19789 December 19782 daysComplete
197737 January 197718 March 19771 daysComplete
1976311 January 197629 December 19762 daysComplete
197535 February 197522 December 19752 daysComplete
197429 January 19742 February 19741 daysComplete
1972219 February 19725 March 19721 daysComplete
197121 January 197111 March 19711 daysComplete
1970615 February 197023 December 19702 daysComplete
196969 February 196926 December 19693 daysComplete
196827 January 196825 January 19681 daysComplete
196767 February 196728 December 19671 daysComplete
196662 January 196624 December 19661 daysComplete
1965216 January 196524 January 19651 daysComplete
1964713 January 196420 December 19641 daysComplete
1963327 January 196312 December 19631 daysComplete
1962214 February 196219 February 19621 daysComplete
1961320 January 196124 December 19611 daysComplete
196033 March 196012 December 19602 daysComplete
1959112 March 195912 March 19591 daysComplete
1958216 February 195821 March 19581 daysComplete
195737 January 195720 March 19571 daysComplete
1956617 January 195629 December 19561 daysComplete
195514 March 19554 March 19551 daysComplete
1954211 January 195421 December 19541 daysComplete
195329 January 195312 February 19531 daysComplete
195223 January 195227 February 19521 daysComplete
195137 January 19514 February 19511 daysComplete
1950214 February 195022 February 19501 daysComplete
1949326 January 19491 March 19492 daysComplete
1948618 January 194819 December 19482 daysComplete
1947521 February 194727 December 19472 daysComplete
1946120 February 194620 February 19461 daysComplete
194567 January 194529 December 19451 daysComplete
1944211 February 194420 March 19441 daysComplete
194344 January 19436 March 19431 daysComplete
194224 January 19425 February 19421 daysComplete
194134 January 19418 March 19411 daysComplete
1940315 February 194027 November 19401 daysComplete
193949 March 193930 December 19392 daysComplete
193861 January 193825 November 19381 daysComplete
1936219 January 193614 February 19361 daysComplete
Decade averages for Days with 10 cm (3.9 in) or more of snowfall in Boston
DecadeAverage days per yearYears counted
1930s4.03
1940s3.510
1950s2.410
1960s4.010
1970s3.19
1980s2.29
1990s4.39
2000s4.29
2010s4.19
2020s2.05

Compare with your own threshold in the threshold explorer. Fahrenheit thresholds are converted to tenths of a degree Celsius once, rounding half up.

Download the Data

  • Data for Days with 10 cm (3.9 in) or more of snowfall in Boston, 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 from the threaded city record.

Data as of . Last revised (2026-10-17).