Average May Temperature in Great Sand Dunes National Park by Year

This page contains a list of the average monthly high and low temperatures in Great Sand Dunes National Park, Colorado for the month of May each year between 1951 and 2023. It is based on NOAA data.

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What Was the Hottest May Ever in Great Sand Dunes National Park?

1996 was the warmest May in the history of Great Sand Dunes National Park, Colorado. The average daily high temperature was 72.8 °F, and the average low was 41.8 °F.

What Was the Coldest May Ever in Great Sand Dunes National Park?

2019 was the coolest May in the history of Great Sand Dunes National Park, Colorado. The average daily high temperature was 59.6 °F, and the average low was 33.4 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	18	65.6	41.5
2022	9	69.8	39.3
2021	26	66.1	39.6
2020	4	71.2	40.5
2019	70	59.6	33.4
2018	2	70.3	42.9
2017	52	64.1	36.2
2016	64	61.8	35.9
2015	66	60.4	35.8
2014	43	65.8	35.5
2012	15	67.6	39.8
2011	63	62.7	35.0
2010	40	64.6	37.2
2009	11	67.9	40.3
2008	47	63.8	37.0
2007	39	63.8	38.1
2006	8	69.8	39.6
2005	17	67.3	40.0
2004	16	68.4	39.0
2003	23	67.3	38.9
2002	24	68.4	37.7
2001	20	67.1	39.4
2000	5	70.5	40.6
1999	60	62.2	36.3
1998	21	68.7	37.6
1997	44	63.7	37.6
1996	1	72.8	41.8
1994	34	65.0	38.7
1993	51	63.5	36.7
1992	25	66.3	39.6
1991	33	66.8	36.9
1990	53	63.7	35.7
1989	6	70.5	40.1
1987	50	63.4	37.0
1986	46	66.5	34.5
1985	31	66.2	38.1
1984	7	70.8	38.9
1983	67	61.4	34.0
1982	56	63.7	35.5
1981	57	63.2	35.8
1980	65	61.4	35.6
1979	45	63.7	37.5
1978	62	63.7	34.2
1977	27	68.1	37.0
1976	41	65.0	36.5
1975	59	64.7	33.9
1974	12	73.2	35.0
1973	54	65.4	33.9
1972	38	67.3	34.7
1971	55	65.4	33.9
1970	28	67.9	37.0
1969	19	68.7	38.1
1968	61	64.2	33.9
1967	48	65.4	35.2
1966	10	71.1	37.9
1965	58	64.5	34.3
1964	29	67.5	37.4
1963	3	71.0	40.8
1962	35	69.5	34.0
1961	22	68.2	38.0
1960	42	65.5	35.9
1959	32	65.5	38.4
1958	13	69.3	38.9
1957	68	59.6	34.4
1956	14	68.7	38.7
1955	49	64.1	36.5
1954	30	67.3	37.0
1953	69	60.0	33.1
1952	37	65.0	37.7
1951	36	65.8	37.3

Weather Station Details

Years	Station	Coordinates
1950–2024	Great Sand Dunes Np & Preserve	location