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

Niagara Falls Threshold Days by Year (USC00305840)

15 fixed thresholds counted per year at Niagara Falls (USC00305840): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Niagara Falls Thresholds

  • Niagara Falls: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1992 with 35.
  • Niagara Falls: days with 10 cm (3.9 in) or more of snowfall in 35 years, most in 2010 with 10.
  • Niagara Falls: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 2017 with 11.
  • Niagara Falls: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 2016 with 51.
  • 15 fixed thresholds have at least one qualifying day at Niagara Falls.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Niagara Falls Days per year at Niagara Falls with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 51 in 2016. 02040601990: 151991: 371992: 11993: 221994: 151995: 301996: 121997: 151998: 241999: 412000: 42001: 332002: 302003: 82004: 22005: 462006: 182008: 102009: 72010: 252011: 232012: 302013: 112014: 92015: 162016: 512017: 232018: 351990199319961999200220052009201220152018
Days per year at Niagara Falls with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 51 in 2016.
Days at or above 30 C (86 F) per year at Niagara Falls
YearDaysDecade average
19901521.2
19913721.2
1992121.2
19932221.2
19941521.2
19953021.2
19961221.2
19971521.2
19982421.2
19994121.2
2000417.6
20013317.6
20023017.6
2003817.6
2004217.6
20054617.6
20061817.6
20081017.6
2009717.6
20102524.8
20112324.8
20123024.8
20131124.8
2014924.8
20151624.8
20165124.8
20172324.8
20183524.8
First to last qualifying date each year at Niagara Falls For each year, a bar from the first to the last day at Niagara Falls meeting 30 C (86 F). 1990: 28 April 1990 to 13 September 19901991: 16 May 1991 to 16 September 19911992: 17 June 1992 to 17 June 19921993: 24 June 1993 to 14 September 19931994: 15 June 1994 to 20 August 19941995: 6 June 1995 to 31 August 19951996: 10 June 1996 to 3 September 19961997: 24 June 1997 to 10 August 19971998: 16 May 1998 to 6 September 19981999: 6 May 1999 to 6 September 19992000: 14 June 2000 to 1 September 20002001: 13 June 2001 to 9 September 20012002: 25 June 2002 to 20 September 20022003: 24 June 2003 to 21 August 20032004: 9 June 2004 to 4 July 20042005: 5 June 2005 to 26 August 20052006: 29 May 2006 to 6 August 20062008: 7 June 2008 to 15 September 20082009: 25 June 2009 to 21 August 20092010: 27 May 2010 to 25 September 20102011: 1 June 2011 to 4 September 20112012: 21 May 2012 to 4 September 20122013: 22 May 2013 to 12 September 20132014: 18 June 2014 to 6 September 20142015: 9 May 2015 to 9 September 20152016: 27 May 2016 to 11 September 20162017: 28 April 2017 to 28 September 20172018: 29 May 2018 to 22 September 20181990199419982002200620112015JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Niagara Falls meeting 30 C (86 F).
First to last qualifying date each year at Niagara Falls
YearFirst dateLast date
19901990-04-281990-09-13
19911991-05-161991-09-16
19921992-06-171992-06-17
19931993-06-241993-09-14
19941994-06-151994-08-20
19951995-06-061995-08-31
19961996-06-101996-09-03
19971997-06-241997-08-10
19981998-05-161998-09-06
19991999-05-061999-09-06
20002000-06-142000-09-01
20012001-06-132001-09-09
20022002-06-252002-09-20
20032003-06-242003-08-21
20042004-06-092004-07-04
20052005-06-052005-08-26
20062006-05-292006-08-06
20082008-06-072008-09-15
20092009-06-252009-08-21
20102010-05-272010-09-25
20112011-06-012011-09-04
20122012-05-212012-09-04
20132013-05-222013-09-12
20142014-06-182014-09-06
20152015-05-092015-09-09
20162016-05-272016-09-11
20172017-04-282017-09-28
20182018-05-292018-09-22

Every Fixed Threshold

Fixed thresholds at Niagara Falls
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2851201635
35 C (95 F): Days7320012
90 F (32.2 C): Days2223201615
0 C (32 F): Ice days (max2867201439
0 C (32 F): Frost days (min111482018148
-10 C (14 F): Days with min1154201423
-20 C (-4 F): Days with min41420152
20 C (68 F): Tropical nights (min1131201831
25 C (77 F): Days with min2120161
10 mm (0.39 in): Days with 10 mm or more rain3535199228
25 mm (0.98 in): Days with 25 mm or more rain341120178
50 mm (1.97 in): Days with 50 mm or more rain13219952
100 mm (3.94 in): Days with 100 mm or more rain1120131
10 cm (3.9 in): Days with 10 cm or more snowfall351020103
25 cm (9.8 in): Days with 25 cm or more snowfall9320103

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1990.

Download the Data

  • Data for Niagara Falls 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).