National Weather Service United States Department of Commerce

Thunderstorms and Heavy Rain Across the Southern and Eastern US; Heat and Fire Weather Concerns in the West

Showers and thunderstorms are expected across the southern and eastern US this week, with heavy rain and localized flooding, particularly near the Gulf Coast. Monsoonal moisture will bring rain and potential flooding to parts of the Southwest. Heat and fire weather threats will continue to impact the West. Read More >

 

 

 

List of 100 Degree Days and Streaks at Denver (1872-Present)

(100 Degree occurrences since 1872 = 111)


105 Degrees Highest Temperature recorded in Denver
  (June 28, 2018, June 26, 2012, June 25, 2012, July 20, 2005 and August 8th, 1878)

 

Greatest Number of 100 Degree Days by Year

Rank Year Number
1 2012 13
2 2005 7
3 2024 6
4 2022 5
- 2021 5
- 1990 5
- 1989 5
8 2006 4
- 1878 4
10 2008 3
- 2007 3
- 2003 3
- 1954 3
14 2020 2
- 2019 2
- 2018 2
- 2017 2
- 2013 2
- 1973 2
- 1971 2
- 1962 2
- 1910 2
- 1902 2
- 1876 2
- 1874 2

 

Overall, it has been fairly rare to have 2 consecutive days of 100 degrees or more.  In fact, there have only been 15 occurrences since 1872.

Consecutive 100 Degree Days since 1872

Rank Number Start Date End Date
1 5 6/22/2012 6/26/2012
- 5 7/19/2005 7/23/2005
- 5 7/4/1989 7/8/1989
4 4 6/29/1990 7/2/1990
5 3 6/15/2021 6/17/2021
- 3 7/19/2012 7/21/2012
7 2 7/9/2022 7/10/2022
- 2 6/27/2018 6/28/2018
- 2 7/1/2012 7/2/2012
- 2 8/1/2008 8/2/2008
- 2 7/15/2006 7/16/2006
- 2 7/5/1973 7/6/1973
- 2 7/11/1954 7/12/1954
- 2 8/2/1878 8/3/1878
- 2 7/3/1874 7/4/1874

 

 

List of 100 Degree Occurrences since 1872

(Earliest occurrence on 6/11/2022 and 6/11/2013, latest occurrence was 9/5/2020)

Date   Date   Date  
8/4/2024 102 6/23/2012 104 7/7/1989 102
8/2/2024 101 6/22/2012 102 7/6/1989 102
7/30/2024 100 6/18/2012 100 7/5/1989 101
7/14/2024 101 7/17/2010 102 7/4/1989 101
7/12/2024 102 8/2/2008 103 7/21/1981 100
6/25/2024 100 8/1/2008 104 8/6/1980 100
8/5/2022 101 7/20/2008 100 7/6/1973 103
7/18/2022 100 7/17/2007 100 7/5/1973 100
7/10/2022 101 7/2/2007 100 7/30/1972 100
7/9/2022 100 6/24/2007 100 7/17/1971 101
6/11/2022 100 7/19/2006 100 7/12/1971 101
7/28/2021 100 7/16/2006 103 8/8/1969 100
7/8/2021 102 7/15/2006 101 8/14/1962 100
6/17/2021 100 6/14/2006 102 8/10/1962 100
6/16/2021 100 7/30/2005 101 7/12/1954 101
6/15/2021 101 7/23/2005 102 7/11/1954 102
9/5/2020 101 7/22/2005 102 6/23/1954 102
8/18/2020 100 7/21/2005 104 7/20/1939 102
9/2/2019 100 7/20/2005 105 8/1/1938 100
7/19/2019 101 7/19/2005 101 7/23/1936 100
6/28/2018 105 7/16/2005 102 7/19/1934 100
6/27/2018 101 7/24/2003 100 7/22/1931 100
7/19/2017 100 7/16/2003 101 7/26/1910 100
7/6/2017 100 7/13/2003 100 7/23/1910 101
7/10/2016 102 8/16/2002 100 8/1/1902 100
7/7/2014 100 7/1/2001 101 7/15/1902 100
7/11/2013 100 7/6/2000 101 8/1/1901 100
6/11/2013 100 7/20/1998 100 7/31/1889 100
7/23/2012 100 6/26/1994 104 7/11/1888 100
7/21/2012 102 6/25/1991 100 8/8/1878 105
7/20/2012 101 7/2/1990 100 8/3/1878 100
7/19/2012 100 7/1/1990 102 8/2/1878 100
7/15/2012 100 6/30/1990 102 7/14/1878 100
7/2/2012 101 7/1/1990 102 8/12/1876 100
7/1/2012 101 6/30/1990 102 7/6/1876 101
6/26/2012 105 6/29/1990 102 7/4/1874 102
6/25/2012 105 6/27/1990 102 7/3/1874 101
6/24/2012 102 7/8/1989 103    
 

 

 

Denver's Top 20 Seasonal 90 Degree Days (1872-Present)

Rank Year Number
1 2020 75
2 2012 73
3 2024 64
- 2022 64
- 2000 61
6 1994 60
7 2021 59
- 2018 59
9 2002 56
10 2016 55
  2005 55
12 2013 54
  2007 54
  2006 54
15 1978 52
16 2011 50
  1964 50
  1960 50
  1874 50
20 2010 49
  1980 49

 

Denver's Consecutive 90 Degree Day Streaks (1872-Present)

Rank Number Start Date End Date
1 24 7/11/2012 8/3/2012
- 24 7/13/2008 8/5/2008
3 18 7/15/2011 8/1/2011
- 18 7/6/1901 7/23/1901
- 18 7/1/1874 7/18/1874
6 17 8/11/2020 8/27/2020
- 17 6/29/2000 7/15/2000
8 16 7/18/1987 8/2/1987
9 15 7/24/2024 8/7/2024
- 15 6/22/2012 7/6/2012
- 15 7/7/1934 7/21/1934
12 13 6/21/2002 7/3/2002
- 13 7/10/1878 7/22/1878
14 12 7/12/2022 7/23/2022
- 12 7/2/2020 7/13/2020
- 12 7/16/2016 7/27/2016
- 12 7/5/2005 7/16/2005
- 12 7/10/2003 7/21/2003
- 12 7/31/2000 8/11/2000
- 12 6/30/1989 7/11/1989
- 12 7/2/1966 7/13/1966
- 12 7/14/1963 7/25/1963
23 11 6/29/2007 7/9/2007
- 11 6/28/2001 7/8/2001
- 11 6/23/1990 7/3/1990
- 11 6/20/1900 6/30/1900
- 11 7/29/1878 8/8/1878


 

 

Denver's Warmest Summers
(June through August)

Rank Year Mean Temp
1 2012 76.3
2 2024 75.0
3 2020 74.9
4 2022 74.8
5 2021 74.6
6 1994 74.1
- 1934 74.1
8 1936 74.0
9 2006 73.9
10 1980 73.8
11 2011 73.7
- 1881 73.7
13 2007 73.5
14 2018 73.4
15 2013 73.3
16 2001 73.2
- 1988 73.2
- 1931 73.2
19 1874 73.1
20 2002 72.9
- 1954 72.9
- 1933 72.9

 

Denver's Coolest Summers
(June through August)

Rank Year Mean Temp
1 1915 65.8
2 1967 66.0
3 1895 66.4
4 1904 66.7
5 1891 67.2
6 1906 67.4
7 1928 67.5
- 1927 67.5
- 1912 67.5
10 2004 67.6
11 1908 67.7
12 1950 68.1
13 1897 68.2
14 2009 68.3
- 1992 68.3
- 1951 68.3
17 1920 68.5
18 1885 68.5
19 1872 68.5
20 1883 68.7