Grand Junction May Precipitation Totals

A time series of total precipitation in the month of May in Grand Junction, Colorado from 1900–2023.

Rainiest May in Grand Junction History

The rainiest May in Grand Junction, Colorado history happened in 1906, with 2.74 inches of total precipitation.

Driest May in Grand Junction History

There have been 2 times where no rain was recorded in Grand Junction, Colorado for the entire month of May. The most recent time this happened was 1970.

Grand Junction Average May Precipitation by Year

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Year	Precipitation (inches)
2023	0.18
2022	0.34
2021	0.53
2020	0.10
2019	0.79
2018	0.19
2017	0.66
2016	0.91
2015	1.85
2014	1.49
2013	0.87
2012	0.09
2011	1.27
2010	0.48
2009	1.60
2008	0.89
2007	0.27
2006	0.11
2005	0.11
2004	0.19
2003	1.88
2002	0.51
2001	0.57
2000	0.43
1999	0.68
1998	0.21
1997	1.53
1996	0.99
1995	2.04
1994	0.19
1993	1.99
1992	1.81
1991	0.20
1990	0.05
1989	0.39
1988	1.10
1987	1.51
1986	1.15
1985	1.09
1984	0.55
1983	1.68
1982	0.75
1981	1.49
1980	1.17
1979	1.45
1978	0.55
1977	0.59
1976	1.49
1975	1.23
1974	0.01
1973	1.45
1972	0.44
1971	1.10
1970	0.00
1969	0.45
1968	1.14
1967	1.52
1966	0.71
1965	1.35
1964	0.41
1963	0.01
1962	0.17
1961	1.11
1960	0.35
1959	0.39
1958	0.34
1957	1.79
1956	0.26
1955	1.30
1954	0.54
1953	0.42
1952	0.44
1951	0.64
1950	0.46
1949	0.74
1948	0.22
1947	0.41
1946	1.25
1945	0.45
1944	0.59
1943	1.04
1942	0.15
1941	1.03
1940	0.00
1939	0.34
1938	0.81
1937	0.30
1936	0.24
1935	0.77
1934	1.48
1933	0.54
1932	0.16
1931	0.44
1930	1.50
1929	0.45
1928	1.29
1927	0.54
1926	0.93
1925	0.36
1924	1.69
1923	0.55
1922	0.40
1921	1.12
1920	0.80
1919	0.54
1918	0.05
1917	1.45
1916	1.05
1915	1.23
1914	0.62
1913	0.12
1912	0.38
1911	0.03
1910	0.26
1909	0.45
1908	0.56
1907	1.21
1906	2.74
1905	1.98
1904	1.39
1903	1.21
1902	0.37
1901	1.29
1900	0.06

Notes

Its possible for precipitation totals to include both rain and melted snowfall
Months with more than 10% missing data are excluded