National Weather Service United States Department of Commerce

Widespread Showers in the Mid-Atlantic

Widespread showers and some thunderstorms from Ian may produce isolated flash flooding in the central Appalachians into the Mid-Atlantic and southern New England through the weekend. Hazardous conditions persist along portions of the East coast. Showers, thunderstorms, and high elevation snow are possible across the Central/Southern Rockies and into the Great Basin. Read More >

National Weather Service - Denver/Boulder, Colorado

Denver Area Normals & Extremes for May

January | February | March | April | May | June | July | August | September | October | November | December

Date Normal High Record High Year Set Record Warmest Minimum Year Set   Normal Low Record Low Year Set Record Coldest Maximum Year Set   Maximum Precipitation Year Set Maximum Snowfall Year Set

1

65

87

1992

56

2021   38

23

1909

33

1954   1.11 1978 3.2 2013

2

65

90

1879

58

1959   38

19*

2013

37

1907   1.63 1979 8.3 1944

3

66

86

1949

59

1947   39

19*

1907

34

1898   1.26 1938 6.2 1898

4

66

88

2012

58

1947   39

27

1964

30

1908   0.82 2001 9.0 1908

5

66

89

2000

60

1936   40

27

1917

38

1908^   1.14 1917 11.5 1917

6

67

86

2017^

60

1896   40

23

1917

35

1978^   3.27 1973 8.6 1893

7

67

89

2022

61

1896   40

23

1978

33

1885   2.95 1969 1.5 1938

8

68

91

1895

60

1963^   41

27

1885^

39

1892   2.02 1883 1.9 1979

9

68

89

1916

56

1934   41

22

2002

35

1979   2.34 1957 3.5 2015

10

69

90

2018

54

1906   42

27

2015

31

1946   2.08 1889 0.5 2015

11

69

90

2022^

60

1963   42

28

1946

39

1933   1.55 2011 4.5 1918

12

69

90

1962

57

1958^   42

23

1953

33

1953   1.25 1982 2.1 1966

13

70

90

1915

63

1941   43

23

2000

37

1912   1.80 1961 9.9 1912

14

70

87

2013

59

2013^   43

27

1912

43

1916   1.08 1989 2.5 1912

15

71

89

1996

58

1936^   43

29

1923

44

1923   1.67 1957 3.1 1957

16

71

93

1996

60

2001   44

30

1910

37

1957   1.75 1953 5.7 1957

17

72

91

1964

60

1927   44

29

1957

40

1983   1.77 2000 7.1 1983

18

72

93

1996

61

1948   45

25

1915

42

2017   1.69 1988 2.8 1915

19

73

92

2020

62

1994   45

25

1915

36

1915   1.56 1988 0.9 1915

20

73

91

2005^

60

1948   45

30

1931^

39

1931   1.41 1891 3.0 2019

21

73

91

2006

59

1954   46

31

2022^

39

2019   1.44 1914 3.8 1910

22

74

93

2012

58

1939^   46

30

2019

47

1959^   6.50 1876 T 1959

23

74

93

1989

58

1914^   46

31

2002

40

1995   1.50 1952 0.0 -

24

75

87

2005^

62

1926^   47

32

2002

48

2002^   0.94 2020 T 1946

25

75

91

2018^

60

1964   47

31

1950

45

1893   1.31 1950 9.3 1950

26

76

95#

1942

59

1969^   47

32

1950

46

1996^   1.15 2016 1.4 1950

27

76

93

2006

59

2006^   48

34

1950

46

1924   1.41 1897 0.0 -

28

77

93

1974

60

1943^   48

32

1947

39

1947   1.24 1898 1.0 1947

29

77

94

2003

66

1934   48

32

1883

45

1924   1.33 1964 5.6 1975

30

77

91

2002^

60

1939   48

32

1883

43

1895   1.65 1879 T 1979

31

78

93

2002

61

2002   49

33

1892

44

1917   0.88 1894 T 1917

 

The Normal High and Low Temperatures are calculated from 1991-2020 data.

The Temperature Extremes range from 1872-Present

^ - Also in Previous Years

# - Highest Temperatures of the Month:  95° on 5/26/1942

* - Lowest Temperature of the Month:  19° on 5/3/1907 and 5/2/2013

- The May Mean Temperature is 57.4° (from 1991-2020 data)

- Data collected at the Downtown City Office from 1872 thru December 1948, then at the Stapleton Airport Office from

January 1950 thru February 1995, then at Denver International Airport from March 1995 to Present.

 

Updated: 7/7/2021