NWS Boulder Denver Daily Normals and Records May

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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		2.92	2023	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

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