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Built 2026-10-19 (19 October 2026)

Nights at or below -10 C (14 F) in Denver

Denver has had nights with a minimum temperature at or below -10 C (14 F) in 30 years, most in 2007 with 55. Days per year, season span, streaks and every date.

Key Facts for Denver

  • Denver has had nights with a minimum temperature at or below -10 C (14 F) in 30 years, 927 days in all.
  • The most in one year was 55 days in 2007.
  • In 2026, the latest year on file, there were 15 such days.
  • The earliest first date in a year was 1 January 2001.
  • The latest last date in a year was 31 December 2000.
  • The longest run inside a single year was 14 days in 1996.
  • 4 years with under 90 percent of days observed are left out of these rankings.

Days per Year

30 years, 927 days
Nights at or below -10 C (14 F) per year in Denver Days per year in Denver with a minimum temperature at or below -10 C (14 F). The line is the decade average. The most was 55 in 2007. Grey bars are years with under 90 percent of days observed, left out of rankings. 02040601996: 481997: 411998: 261999: 182000: 332001: 262002: 332003: 322004: 272005: 322006: 282007: 552008: 432009: 362010: 262011: 412012: 282014: 362015: 292016: 272017: 222018: 222019: 402020: 292021: 232022: 432023: 242024: 162025: 282026: 15199620062017
Days per year in Denver with a minimum temperature at or below -10 C (14 F). The line is the decade average. The most was 55 in 2007. Grey bars are years with under 90 percent of days observed, left out of rankings.
Nights at or below -10 C (14 F) per year in Denver
YearDaysDecade average
19964833.3
19974133.3
19982633.3
19991833.3
20003334.5
20012634.5
20023334.5
20033234.5
20042734.5
20053234.5
20062834.5
20075534.5
20084334.5
20093634.5
20102630.1
20114130.1
20122830.1
20143630.1
20152930.1
20162730.1
20172230.1
20182230.1
20194030.1
20202925.4
20212325.4
20224325.4
20232425.4
20241625.4
20252825.4
20261525.4

Season Span

earliest 1 January, latest 31 December
First to last qualifying date each year in Denver For each year, a bar from the first to the last day in Denver meeting -10 C (14 F). Long bars mean a long season. 1996: 2 January 1996 to 26 December 19961997: 4 January 1997 to 26 December 19971998: 6 January 1998 to 25 December 19981999: 2 January 1999 to 22 December 19992000: 3 January 2000 to 31 December 20002001: 1 January 2001 to 31 December 20012002: 1 January 2002 to 26 December 20022003: 9 January 2003 to 16 December 20032004: 4 January 2004 to 24 December 20042005: 4 January 2005 to 19 December 20052006: 13 January 2006 to 31 December 20062007: 1 January 2007 to 31 December 20072008: 1 January 2008 to 27 December 20082009: 4 January 2009 to 31 December 20092010: 1 January 2010 to 31 December 20102011: 1 January 2011 to 24 December 20112012: 11 January 2012 to 31 December 20122014: 1 January 2014 to 31 December 20142015: 1 January 2015 to 31 December 20152016: 1 January 2016 to 31 December 20162017: 3 January 2017 to 31 December 20172018: 1 January 2018 to 31 December 20182019: 1 January 2019 to 30 December 20192020: 10 January 2020 to 30 December 20202021: 26 January 2021 to 31 December 20212022: 1 January 2022 to 29 December 20222023: 4 January 2023 to 25 December 20232024: 8 January 2024 to 31 December 20242025: 1 January 2025 to 29 December 20252026: 17 January 2026 to 16 March 202619962000200420082012201720212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day in Denver meeting -10 C (14 F). Long bars mean a long season.
First to last qualifying date each year in Denver
YearFirst dateLast date
19961996-01-021996-12-26
19971997-01-041997-12-26
19981998-01-061998-12-25
19991999-01-021999-12-22
20002000-01-032000-12-31
20012001-01-012001-12-31
20022002-01-012002-12-26
20032003-01-092003-12-16
20042004-01-042004-12-24
20052005-01-042005-12-19
20062006-01-132006-12-31
20072007-01-012007-12-31
20082008-01-012008-12-27
20092009-01-042009-12-31
20102010-01-012010-12-31
20112011-01-012011-12-24
20122012-01-112012-12-31
20142014-01-012014-12-31
20152015-01-012015-12-31
20162016-01-012016-12-31
20172017-01-032017-12-31
20182018-01-012018-12-31
20192019-01-012019-12-30
20202020-01-102020-12-30
20212021-01-262021-12-31
20222022-01-012022-12-29
20232023-01-042023-12-25
20242024-01-082024-12-31
20252025-01-012025-12-29
20262026-01-172026-03-16

Every Year

Nights at or below -10 C (14 F) per year in Denver
YearDaysFirst dateLast dateLongest streak in yearCoverage
20261517 January 202616 March 20267 daysIncomplete, not ranked
2025281 January 202529 December 20256 daysComplete
2024168 January 202431 December 20246 daysComplete
2023244 January 202325 December 20235 daysComplete
2022431 January 202229 December 20226 daysComplete
20212326 January 202131 December 202111 daysComplete
20202910 January 202030 December 20205 daysComplete
2019401 January 201930 December 20196 daysComplete
2018221 January 201831 December 20185 daysComplete
2017223 January 201731 December 20177 daysComplete
2016271 January 201631 December 20166 daysComplete
2015291 January 201531 December 20157 daysComplete
2014361 January 201431 December 201411 daysComplete
20122811 January 201231 December 201210 daysComplete
2011411 January 201124 December 20116 daysComplete
2010261 January 201031 December 20106 daysComplete
2009364 January 200931 December 20096 daysComplete
2008431 January 200827 December 200814 daysComplete
2007551 January 200731 December 200712 daysComplete
20062813 January 200631 December 20067 daysComplete
2005324 January 200519 December 20058 daysComplete
2004274 January 200424 December 20045 daysComplete
2003329 January 200316 December 20035 daysComplete
2002331 January 200226 December 20024 daysComplete
2001261 January 200131 December 20014 daysComplete
2000333 January 200031 December 20008 daysComplete
1999182 January 199922 December 19993 daysComplete
1998266 January 199825 December 19988 daysComplete
1997414 January 199726 December 19979 daysComplete
1996482 January 199626 December 199614 daysComplete
Decade averages for Nights at or below -10 C (14 F) in Denver
DecadeAverage days per yearYears counted
1990s33.34
2000s34.510
2010s30.19
2020s27.26

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 Nights at or below -10 C (14 F) in Denver, 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).