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Built 2026-10-19 (19 October 2026)

Days with 25 mm (0.98 in) or more of precipitation in Denver

Denver has had days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 2011 with 6. Days per year, season span, streaks and every date.

Key Facts for Denver

  • Denver has had days with 25 mm (0.98 in) or more of precipitation in 26 years, 65 days in all.
  • The most in one year was 6 days in 2011.
  • In 2026, the latest year on file, there were 1 such days.
  • The earliest first date in a year was 14 March 2021.
  • The latest last date in a year was 13 October 2007.
  • The longest run inside a single year was 2 days in 2014.
  • 4 years with under 90 percent of days observed are left out of these rankings.

Days per Year

26 years, 65 days
Days with 25 mm (0.98 in) or more of precipitation per year in Denver Days per year in Denver with 25 mm (0.98 in) or more of precipitation. The line is the decade average. The most was 6 in 2011. Grey bars are years with under 90 percent of days observed, left out of rankings. 02461996: 21997: 21998: 31999: 32000: 22001: 32003: 32004: 22005: 32007: 22008: 32009: 32010: 32011: 62012: 12014: 42015: 32016: 22017: 12019: 22021: 22022: 12023: 32024: 12025: 42026: 1199620082021
Days per year in Denver with 25 mm (0.98 in) or more of precipitation. The line is the decade average. The most was 6 in 2011. Grey bars are years with under 90 percent of days observed, left out of rankings.
Days with 25 mm (0.98 in) or more of precipitation per year in Denver
YearDaysDecade average
199622.5
199722.5
199832.5
199932.5
200022.6
200132.6
200332.6
200422.6
200532.6
200722.6
200832.6
200932.6
201032.8
201162.8
201212.8
201442.8
201532.8
201622.8
201712.8
201922.8
202122
202212
202332
202412
202542
202612

Season Span

earliest 14 March, latest 13 October
First to last qualifying date each year in Denver For each year, a bar from the first to the last day in Denver meeting 25 mm (0.98 in). Long bars mean a long season. 1996: 15 June 1996 to 18 September 19961997: 6 June 1997 to 30 July 19971998: 2 April 1998 to 25 July 19981999: 22 April 1999 to 28 July 19992000: 17 May 2000 to 17 August 20002001: 28 May 2001 to 23 July 20012003: 18 March 2003 to 18 June 20032004: 16 July 2004 to 18 August 20042005: 10 April 2005 to 10 October 20052007: 24 April 2007 to 13 October 20072008: 6 August 2008 to 5 October 20082009: 17 April 2009 to 20 July 20092010: 23 April 2010 to 30 July 20102011: 11 May 2011 to 8 October 20112012: 26 September 2012 to 26 September 20122014: 21 May 2014 to 29 September 20142015: 16 April 2015 to 5 June 20152016: 16 April 2016 to 26 May 20162017: 18 May 2017 to 18 May 20172019: 20 May 2019 to 22 July 20192021: 14 March 2021 to 22 May 20212022: 21 August 2022 to 21 August 20222023: 11 May 2023 to 21 June 20232024: 27 April 2024 to 27 April 20242025: 25 May 2025 to 23 September 20252026: 25 September 2026 to 25 September 20261996200020052010201520212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day in Denver meeting 25 mm (0.98 in). Long bars mean a long season.
First to last qualifying date each year in Denver
YearFirst dateLast date
19961996-06-151996-09-18
19971997-06-061997-07-30
19981998-04-021998-07-25
19991999-04-221999-07-28
20002000-05-172000-08-17
20012001-05-282001-07-23
20032003-03-182003-06-18
20042004-07-162004-08-18
20052005-04-102005-10-10
20072007-04-242007-10-13
20082008-08-062008-10-05
20092009-04-172009-07-20
20102010-04-232010-07-30
20112011-05-112011-10-08
20122012-09-262012-09-26
20142014-05-212014-09-29
20152015-04-162015-06-05
20162016-04-162016-05-26
20172017-05-182017-05-18
20192019-05-202019-07-22
20212021-03-142021-05-22
20222022-08-212022-08-21
20232023-05-112023-06-21
20242024-04-272024-04-27
20252025-05-252025-09-23
20262026-09-252026-09-25

Every Year

Days with 25 mm (0.98 in) or more of precipitation per year in Denver
YearDaysFirst dateLast dateLongest streak in yearCoverage
2026125 September 202625 September 20261 daysIncomplete, not ranked
2025425 May 202523 September 20251 daysComplete
2024127 April 202427 April 20241 daysComplete
2023311 May 202321 June 20231 daysComplete
2022121 August 202221 August 20221 daysComplete
2021214 March 202122 May 20211 daysComplete
2019220 May 201922 July 20191 daysComplete
2017118 May 201718 May 20171 daysComplete
2016216 April 201626 May 20161 daysComplete
2015316 April 20155 June 20151 daysComplete
2014421 May 201429 September 20142 daysComplete
2012126 September 201226 September 20121 daysComplete
2011611 May 20118 October 20111 daysComplete
2010323 April 201030 July 20101 daysComplete
2009317 April 200920 July 20091 daysComplete
200836 August 20085 October 20081 daysComplete
2007224 April 200713 October 20071 daysComplete
2005310 April 200510 October 20051 daysComplete
2004216 July 200418 August 20041 daysComplete
2003318 March 200318 June 20031 daysComplete
2001328 May 200123 July 20011 daysComplete
2000217 May 200017 August 20001 daysComplete
1999322 April 199928 July 19991 daysComplete
199832 April 199825 July 19981 daysComplete
199726 June 199730 July 19971 daysComplete
1996215 June 199618 September 19961 daysComplete
Decade averages for Days with 25 mm (0.98 in) or more of precipitation in Denver
DecadeAverage days per yearYears counted
1990s2.54
2000s2.68
2010s2.88
2020s2.25

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 25 mm (0.98 in) or more of precipitation 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).