Number of Days of 80 °F in Boulder by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 80 degrees Fahrenheit in Boulder, Colorado, between 1893 and 2024.

Also see:

Which year had the most 80° days?

Based on NOAA records, the year 1956 holds the record for the most 80 °F days in Boulder history. There were 127 days with a high temperature of at least 80 degrees that year.

How many so far this year (2024)?

As of April 25, there have been 1 days this year where the high temperature has reached at least 80 degrees Fahrenheit in Boulder, Colorado.

The last time it reached at least 80° F was April 14, 2024.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 80 °F
2024	130	1
2023	79	88
2022	8	119
2021	30	107
2020	2	126
2019	35	105
2018	10	114
2017	48	99
2016	17	110
2015	17	110
2014	56	96
2013	36	104
2012	4	125
2011	27	108
2010	19	109
2009	97	81
2008	61	94
2007	13	112
2006	30	107
2005	40	103
2004	101	79
2003	67	93
2002	36	104
2001	27	108
2000	19	109
1999	85	86
1998	61	94
1997	74	91
1996	48	99
1995	96	82
1994	19	109
1993	122	53
1992	97	81
1991	76	90
1990	78	89
1989	120	56
1988	10	114
1987	44	101
1986	74	91
1985	67	93
1984	44	101
1983	48	99
1982	105	76
1981	52	97
1980	9	116
1979	122	53
1978	47	100
1977	36	104
1976	61	94
1975	52	97
1974	44	101
1973	85	86
1972	76	90
1971	83	87
1970	79	88
1969	56	96
1968	52	97
1967	91	84
1966	13	112
1965	72	92
1964	19	109
1963	13	112
1962	30	107
1961	56	96
1960	33	106
1959	19	109
1958	4	125
1957	61	94
1956	1	127
1955	16	111
1954	6	123
1953	2	126
1952	10	114
1951	67	93
1950	36	104
1949	27	108
1948	19	109
1947	56	96
1946	100	80
1945	108	73
1944	113	69
1943	91	84
1942	97	81
1941	121	55
1940	111	71
1939	72	92
1938	93	83
1937	56	96
1936	40	103
1935	83	87
1934	7	121
1933	19	109
1932	52	97
1931	19	109
1930	61	94
1929	51	98
1928	89	85
1927	93	83
1926	79	88
1925	93	83
1924	105	76
1923	119	60
1922	33	106
1921	43	102
1920	85	86
1919	40	103
1918	61	94
1917	67	93
1916	89	85
1915	124	49
1914	85	86
1913	105	76
1912	117	63
1911	67	93
1910	127	46
1909	112	70
1908	114	67
1907	115	66
1906	125	48
1905	109	72
1904	116	65
1903	117	63
1902	109	72
1901	101	79
1900	79	88
1899	104	77
1898	103	78
1897	125	48
1896	131	0
1895	129	22
1894	128	41
1893	131	0

Weather Station Details

Years	Station	Coordinates
1893–2024	Boulder	location