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Tucson highs of 105°+ info

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105°+ occurrences information for Tucson

Yearly 105°F+ statistics for Tucson (1895-2024)
 
Most 105°F+ in a year Least 105°F+ in a year
1) 57 days in 2020 1) 1 day in 1897
2) 53 days in 1994 2T) 2 days in 1966 & 1975
3) 51 days in 2023 4T) 3 days in 1965 & 1967
4) 34 days in 2005 6T) 4 days in 1982 & 1984
5) 33 days in 1993 8T) 5 days in 1904, 1921, 1935,
1945, 1959, 1964, 1976 & 1977
6T) 32 days in 1985, 1995
Monthly occurrence records
 
Month by month 105°F+ occurrences
as of July 16th
YEAR May June July August Sept. Total
Normal 1 10 9 5 1 26
2024 0 14 12 0 0 26
2023 0 7 29 11 4 51
2022 1 9 14 0 0 24
2021 0 12 5 2 0 19
2020 4 10 16 24 3 57
2019 0 6 14 10 1 31
2018 0 11 8 6 2 27
2017 0 18 7 1 2 28
2016 0 9 15 0 0 24
2015 0 14 0 7 0 21
2014 1 11 5 0 0 17
2013 0 18 5 8 0 31
2012 2 11 3 9 0 25
2011 0 11 5 10 2 28
2010 0 10 7 6 1 24
2009 0 0 10 11 0 21
2008 0 13 3 1 0 17
2007 0 10 11 3 0 24
2006 0 8 10 0 0 18
2005 4 11 19 0 0 34
2004 0 4 3 2 0 9
2003 0 7 13 4 0 24
2002 2 19 6 3 1 31
2001 0 8 3 6 1 18
2000 4 4 6 3 3 20
1999 0 5 1 1 0 7
1998 0 8 9 2 0 19
1997 0 3 13 1 0 17
1996 2 11 8 2 0 23
1995 0 9 13 10 0 32
1994 1 16 23 12 1 53
1993 0 18 9 6 0 33
1992 0 9 11 7 0 27
1991 0 6 6 2 0 14
1990 0 19 1 1 4 25
1989 4 10 14 1 2 31
1988 2 15 11 2 0 30
1987 0 12 15 1 0 28
1986 0 11 5 7 1 24
1985 0 15 12 5 0 32
1984 2 0 1 1 0 4
1983 2 0 6 0 1 9
1982 0 1 3 0 0 4
1981 0 10 1 1 0 12
1980 0 13 6 1 0 20
1979 0 7 9 0 1 17
1978 0 11 7 0 0 18
1977 0 4 0 1 0 5
1976 0 4 1 0 0 5
1975 0 0 0 2 0 2
1974 0 15 0 0 0 15
1973 0 2 4 0 0 6
1972 0 1 6 1 0 8
1971 0 2 4 0 0 6
1970 0 5 5 0 0 10
1969 0 2 4 3 0 9
1968 0 7 1 0 0 8
1967 0 1 2 0 0 3
1966 0 1 1 0 0 2
1965 0 0 3 0 0 3
1964 0 0 5 0 0 5
1963 0 0 6 0 0 6
1962 0 3 0 5 0 8
1961 0 5 3 0 0 8
1960 0 6 5 0 0 11
1959 0 5 0 0 0 5
1958 3 5 8 0 0 16
1957 0 9 10 0 0 19
1956 0 9 5 0 2 16
1955 0 6 8 0 0 14
1954 0 7 4 1 1 13
1953 0 11 3 2 0 16
1952 0 4 2 0 5 11
1951 2 3 9 0 0 14
1950 0 3 2 1 1 7
1949 0 2 1 3 0 6
1948 0 6 10 2 3 21
1947 1 0 13 1 3 18
1946 0 5 1 1 0 7
1945 0 1 0 1 3 5
1944 0 2 6 5 0 13
1943 0 5 8 0 1 14
1942 0 7 12 0 0 19
1941 0 2 7 0 0 9
1940 0 6 12 0 0 18
1939 0 4 5 0 0 9
1938 0 3 2 2 0 7
1937 0 3 5 4 0 12
1936 0 13 11 2 0 26
1935 0 4 1 0 0 5
1934 2 4 11 2 0 19
1933 0 2 5 3 0 10
1932 0 8 2 1 0 11
1931 0 1 9 0 0 10
1930 0 4 5 5 0 14
1929 0 10 5 0 0 15
1928 0 3 11 1 1 16
1927 0 5 4 2 0 11
1926 0 7 4 0 0 11
1925 0 2 4 0 0 6
1924 0 15 5 3 1 24
1923 0 4 4 0 0 8
1922 1 9 2 4 0 16
1921 0 4 1 0 0 5
1920 0 6 12 1 0 19
1919 0 12 0 1 0 13
1918 0 5 1 2 0 8
1917 0 13 3 0 0 16
1916 0 4 3 0 0 7
1915 0 2 3 11 0 16
1914 1 4 0 2 0 7
1913 0 1 7 0 0 8
1912 0 4 4 1 0 9
1911 0 6 3 4 0 13
1910 3 7 14 3 0 27
1909 0 3 4 0 0 7
1908 0 6 1 0 0 7
1907 0 5 5 0 0 10
1906 0 6 5 0 0 11
1905 0 0 5 3 0 8
1904 0 2 3 0 0 5
1903 0 6 3 4 0 13
1902 0 7 1 1 1 10
1901 0 3 9 2 0 14
1900 0 7 8 1 0 16
1899 0 3 2 0 2 7
1898 0 4 5 2 0 11
1897 0 1 0 0 0 1
1896 3 6 0 0 0 9
1895 0 3 4 1 1 9
 
Monthly occurrence records
Month Most Least
May 4 in 1989, 2000, 2005 & 2020 0 - many times
June 19 in 1990 & 2002 0 in 2009 (last of many times)
July 25 in 2023 0 in 2015 (last of many times)
August 24 in 2020 0 in 2014 (last of many times)
September 5 in 1952 0 - many times
 
Year-by-year listing of the 1st 105° occurrence in Tucson
1991-2020 normal period average date is June 6th
Average 1st occurrence (1895-2024) is June 11th
 
Year Date Year Date Year Date Year Date Year Date
2024 June 5 2019 June 12 2009 July 11 1999 June 20 1989 May 7
2023 June 24 2018 June 3 2008 June 10 1998 June 23 1988 May 13
2022 May 15 2017 June 6 2007 June 15 1997 June 1 1987 June 3
2021 June 11 2016 June 3 2006 June 3 1996 May 11 1986 June 12
2020 May 6 2015 June 15 2005 May 20 1995 June 11 1985 June 7
    2014 May 31 2004 June 2 1994 May 31 1984 May 23
    2013 June 1 2003 June 15 1993 June 11 1983 May 27
    2012 May 21 2002 May 30 1992 June 19 1982 June 27
    2011 June 15 2001 June 8 1991 June 17 1981 June 7
    2010 June 6 2000 May 22 1990 June 3 1980 June 9
 
Year Date Year Date Year Date Year Date Year Date
1979 June 14 1969 June 29 1959 June 13 1949 June 15 1939 June 3
1978 June 9 1968 June 17 1958 May 27 1948 June 13 1938 June 1
1977 June 15 1967 June 22 1957 June 5 1947 May 3 1937 June 19
1976 June 20 1966 June 25 1956 June 2 1946 June 4 1936 June 10
1975 August 3 1965 July 3 1955 June 8 1945 June 20 1935 June 19
1974 June 12 1964 July 2 1954 June 18 1944 June 28 1934 May 10
1973 June 27 1963 July 2 1953 June 13 1943 June 17 1933 June 11
1972 June 30 1962 June 23 1952 June 9 1942 June 20 1932 June 13
1971 June 21 1961 June 14 1951 May 26 1941 June 17 1931 June 27
1970 June 20 1960 June 18 1950 June 28 1940 June 13 1930 June 27
 
Year Date Year Date Year Date Year Date
1929 June 14 1919 June 18 1909 June 24 1899 June 10
1928 June 6 1918 June 10 1908 June 14 1898 N/A
1927 June 17 1917 June 13 1907 June 26 1897 June 21
1926 June 23 1916 June 14 1906 June 9 1896 May 25
1925 June 9 1915 June 22 1905 July 7 1895 June 23
1924 June 11 1914 May 21 1904 June 12    
1923 June 11 1913 June 20 1903 June 25    
1922 May 30 1912 June 3 1902 June 9    
1921 June 23 1911 June 6 1901 June 27    
1920 June 19 1910 May 29 1900 June 19    
 
  The 10 earliest 1st occurrences     The 10 latest 1st occurrences
1 May 3, 1947 1 August 3, 1975
2 May 6, 2020 2 July 11, 2009
3 May 7, 1989 3 July 5, 1905
4 May 10, 1934 4 July 3, 1965
5 May 11, 1996 5T July 2, 1963
6 May 13, 1988 July 2, 1964
7 May 15, 2022 7 June 30, 1972
8 May 20, 2005 8 June 29, 1969
9T May 21, 1914 9T June 28, 1944
May 21, 2012 June 28, 1950
 
1st 105° occurrences in Tucson by date
Dates # occurrences Year(s)
May 3 1 1947
May 6 1 2020
May 7 1 1989
May 10 1 1934
May 11 1 1996
May 13 1 1988
May 15 1 2022
May 20 1 2005
May 21 2 2012, 1914
May 22 1 2000
May 23 1 1984
May 25 1 1896
May 26 1 1951
May 27 2 1983, 1958
May 29 1 1910
May 30 2 2002, 1922
May 31 2 2014, 1994
June 1 3 2013, 1997, 1938
June 2 2 2004, 1956
June 3 6 2016, 2006, 1990, 1987, 1939, 1912
June 4 1 1946
June 5 2 2024, 1957
June 6 4 2017, 2010, 1928, 1911
June 7 2 1985, 1981
June 8 2 2001, 1955
June 9 6 1980, 1978, 1952, 1925, 1906, 1902
June 10 4 2008, 1936, 1918, 1899
June 11 6 2021, 1995, 1993, 1933, 1924, 1923
June 12 4 2019, 1986, 1974, 1904
June 13 6 1959, 1953, 1948, 1940, 1932, 1917
June 14 5 1979, 1961, 1929, 1916, 1908
June 15 6 2015, 2011, 2007, 2003, 1977, 1949
June 17 5 1991, 1968, 1943, 1941, 1927
June 18 3 1960, 1954, 1919
June 19 5 1992, 1937, 1935, 1920, 1900
June 20 6 1999, 1976, 1970, 1945, 1942, 1913
June 21 2 1971, 1897
June 22 2 1967, 1915
June 23 5 1998, 1962, 1926, 1923, 1895
June 24 2 2023, 1909
June 25 2 1966, 1903
June 26 1 1907
June 27 5 1982, 1973, 1931, 1930, 1901
June 28 2 1950, 1944
June 29 1 1969
June 30 1 1972
July 2 2 1964, 1963
July 3 1 1965
July 5 1 1905
July 11 1 2009
August 3 1 1975
 
Average 1st 105° occurrence by decade
1900s June 20 .
1910s June 9 .
1920s June 13 .
1930s June 11 .
1940s June 12 Earliest occurrence (May 3, 1947)
1950s June 9 .
1960s June 25 .
1970s June 23 Latest occurrence (August 3, 1975)
1980s June 1 .
1990s June 9 .
2000s June 7 .
2010s June 5 .
 
1st 105° date plot for Tucson Arizona
 

Yearly plot of the 1st 105° date for Tucson Arizona
The above graph shows year-by-year plot of 1st 105 degree date
The Red dots are for the earliest 10 calendar occurrences while the Blue dots are for the latest 10 calendar occurrence
Blue line - Historical average (1895-2024) of 1st 105° date (June 11th)
Black line - 10-year moving average | Green line - Decadal average 1st date
 
Decadal averages
1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s
6/20 6/9 6/13 6/11 6/12 6/9 6/25 6/23 6/1 6/9 6/7 6/4
 
  The 10 earliest 1st occurrences     The 10 latest 1st occurrences
1 May 3, 1947 1 August 3, 1975
2 May 6, 2020 2 July 11, 2009
3 May 7, 1989 3 July 5, 1905
4 May 10, 1934 4 July 3, 1965
5 May 11, 1996 5T July 2, 1963
6 May 13, 1988 July 2, 1964
7 May 15, 2022 7 June 30, 1972
8 May 20, 2005 8 June 29, 1969
9T May 21, 1914 9T June 28, 1944
May 21, 2012 June 28, 1950

 
 
Did you know...
Longest time span between 1st 100° and 1st 105° is 64 days in 2009 (May 7 to July 11)
Shortest time span between 1st 100° and 1st 105° is 0 days. This has occurred 4 times (1914, 1996, 2005 & 2013)
 
Consecutive day streaks of 105° or hotter for Tucson
as of July 11th
Longest consecutive streaks of
105°s or greater		 Longest consecutive streaks of
105°s or greater by decade
Rank Days (Year/dates)
1 24: (1994 / June 23 - July 16)
2 20: (2002 / June 14 - July 3)
3T 18: (2023 / June 24 - July 11)
18: (2017 / June 15 - July 2)
18: (1995 / July 24 - August 10)
6 15: (1990 / June 17 - July 1)
7T 13: (2020 / August 8 - August 20)
13: (2015 / June 15 - June 27)
13: (2007 / June 25 - July 7)
13: (2005 / June 27 - July 9)
13: (1993 / June 19 - July 1)
 
The longest consecutive streak for 2024 has been 10 days (June 2-11)
 
Since 1895, Tucson has recorded streaks of
10 days or longer 24 times.
 
Since 1895, Tucson has recorded streaks of
5 days or longer 114 times.
2020s
Days Year/dates
18 2023 / June 24 - July 11
2010s
Days Year/dates
18 2017 / June 15 - July 2
2000s
Days Year/dates
20 2002 / June 14 - July 3
1990s
Days Year/dates
24 1994 / June 23 - July 16
1980s
Days Year/dates
12 1985 / June 27 - July 8
1970s
Days Year/dates
8 1978 / June 18-25
1960s
Days Year/dates
7 1968 / June 17-23
1950s
Days Year/dates
8 1958 / July 7-14
1940s
Days Year/dates
10 1940 / July 3-12
1930s
Days Year/dates
8 1930 / June 27 - July 4
1920s
Days Year/dates
7 1929 / June 19-25 **
1910s
Days Year/dates
12 1919 / June 18-29
1900s
Days Year/dates
10 1907 / June 26 - July 5
1890s
Days Year/dates
6 1896 / June 110-15
 
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