Grand Junction August 15 Weather Records

Daily averages and all-time records for weather in Grand Junction, Colorado for the date of August 15.
August 15 All-Time Records
1900–2024
Highest temperature 99 °F 1962
Lowest temperature 45 °F 1978
Lowest daily high 77 °F 1979
Highest daily low 73 °F 1960
Most precipitation 0.76 inches 1912
Most snow none -
August 15 Average Weather
1991–2020 1
Average high 90.8 °F
Average low 62.1 °F
Chance precipitation 20.6%
Chance snow 0%
Grand Junction August 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 96 66 0.00 0.0
2022 89 66 0.09 0.0
2021 97 68 0.00 0.0
2020 97 63 0.00 0.0
2019 98 59 0.00 0.0
2018 91 64 0.00 0.0
2017 83 62 0.00 0.0
2016 94 60 0.00 0.0
2015 97 67 0.00 0.0
2014 86 60 0.00 0.0
2013 95 57 0.00 0.0
2012 93 59 0.00 0.0
2011 89 58 0.00 0.0
2010 97 59 0.00 0.0
2009 91 58 0.13 0.0
2008 86 61 0.00 0.0
2007 94 65 0.00 0.0
2006 90 62 0.70 0.0
2005 84 58 0.00 0.0
2004 93 65 0.00 0.0
2003 86 71 0.00 0.0
2002 98 55 0.00 0.0
2001 87 59 0.14 0.0
2000 94 60 0.00 0.0
1999 79 63 0.03 0.0
1998 95 66 0.00 0.0
1997 92 57 0.00 0.0
1996 97 61 0.00 0.0
1995 94 60 0.00 0.0
1994 94 66 0.00 0.0
1993 88 58 0.00 0.0
1992 96 65 0.00 0.0
1991 91 66 0.09 0.0
1990 80 63 0.00 0.0
1989 85 57 0.07 0.0
1988 91 67 0.13 0.0
1987 85 65 0.00 0.0
1986 92 55 0.00 0.0
1985 90 55 0.00 0.0
1984 92 67 0.00 0.0
1983 96 69 0.00 0.0
1982 92 64 0.00 0.0
1981 84 63 0.15 0.0
1980 83 63 0.31 0.0
1979 77 59 0.00 0.0
1978 80 45 0.00 0.0
1977 90 68 0.01 0.0
1976 90 66 0.00 0.0
1975 90 54 0.00 0.0
1974 93 62 0.00 0.0
1973 97 63 0.00 0.0
1972 91 62 0.00 0.0
1971 95 70 0.00 0.0
1970 82 65 0.00 0.0
1969 98 64 0.00 0.0
1968 80 47 0.00 0.0
1967 90 60 0.00 0.0
1966 95 64 0.00 0.0
1965 90 62 0.00 0.0
1964 92 60 0.00 0.0
1963 94 67 0.00 0.0
1962 99 63 0.00 0.0
1961 89 59 0.00 0.0
1960 95 73 0.00 0.0
1959 86 61 0.00 0.0
1958 96 68 0.00 0.0
1957 82 66 0.02 0.0
1956 85 63 0.00 0.0
1955 90 61 0.00 0.0
1954 82 62 0.24 0.0
1953 88 58 0.00 0.0
1952 95 60 0.00 0.0
1951 92 58 0.00 0.0
1950 90 55 0.00 0.0
1949 90 56 0.00 0.0
1948 93 57 0.00 0.0
1947 89 57 0.00 0.0
1946 82 58 0.22 0.0
1945 88 61 0.00 0.0
1944 91 66 0.00 0.0
1943 92 65 0.00 0.0
1942 90 61 0.00 0.0
1941 84 64 0.23 0.0
1940 96 69 0.00 0.0
1939 97 65 0.00 0.0
1938 87 58 0.00 0.0
1937 94 69 0.00 0.0
1936 98 66 0.00 0.0
1935 80 65 0.17 0.0
1934 91 66 0.00 0.0
1933 99 69 0.00 0.0
1932 91 68 0.00 0.0
1931 83 66 0.00 0.0
1930 87 59 0.00 0.0
1929 93 65 0.00 0.0
1928 88 63 0.06 0.0
1927 86 60 0.05 0.0
1926 89 60 0.01 0.0
1925 89 60 0.00 0.0
1924 86 57 0.00 0.0
1923 80 61 0.42 0.0
1922 91 68 0.00 0.0
1921 83 59 0.02 0.0
1920 94 62 0.00 0.0
1919 96 62 0.00 0.0
1918 85 57 0.00 0.0
1917 87 60 0.00 0.0
1916 84 60 0.00 0.0
1915 83 60 0.05 0.0
1914 95 64 0.00 0.0
1913 91 61 0.00 0.0
1912 78 60 0.76 0.0
1911 94 65 0.00 0.0
1910 92 64 0.00 0.0
1909 94 70 0.00 0.0
1908 87 62 0.00 0.0
1907 87 58 0.14 0.0
1906 95 60 0.00 0.0
1905 92 64 0.00 0.0
1904 93 65 0.00 0.0
1903 81 65 0.01 0.0
1902 90 61 0.00 0.0
1901 96 67 0.00 0.0
1900 94 51 0.00 0.0
What's the all-time high for Grand Junction on 8/15?
For the date of Aug 15, the highest temperature ever reached in Grand Junction history is 99 °F which has happened 2 times, most recently in 1962.
Highest Temperatures in Grand Junction on August 15
Rank Temperature Year
1 99 °F 1933
1 99 °F 1962
3 98 °F 1936
3 98 °F 1969
3 98 °F 2002
3 98 °F 2019
7 97 °F 1939
7 97 °F 1973
7 97 °F 1996
7 97 °F 2010
7 97 °F 2015
7 97 °F 2020
7 97 °F 2021
What's the all-time low for Grand Junction on 8/15?
For the date of Aug 15, the lowest temperature ever reached in Grand Junction history is 45 °F which happened in 1978.
Lowest Temperatures in Grand Junction on August 15
Rank Temperature Year
1 45 °F 1978
2 47 °F 1968
3 51 °F 1900
4 54 °F 1975
5 55 °F 1986
5 55 °F 1985
5 55 °F 2002
5 55 °F 1950
9 56 °F 1949
10 57 °F 1918
10 57 °F 1948
10 57 °F 1997
10 57 °F 2013
10 57 °F 1924
10 57 °F 1989
10 57 °F 1947
Lowest High Temperatures in Grand Junction on August 15
Rank Temperature Year
1 77 °F 1979
2 78 °F 1912
3 79 °F 1999
4 80 °F 1978
4 80 °F 1968
4 80 °F 1923
4 80 °F 1935
4 80 °F 1990
9 81 °F 1903
10 82 °F 1954
10 82 °F 1946
10 82 °F 1957
10 82 °F 1970
What's the most it has ever rained in Grand Junction on 8/15?
For the date of Aug 15, the most precipitation ever recorded in Grand Junction history is 0.76 inches which happened in 1912.
All-Time Most Precipitation in Grand Junction on August 15
Rank Precipitation Year
1 0.76 inches 1912
2 0.70 inches 2006
3 0.42 inches 1923
4 0.31 inches 1980
5 0.24 inches 1954
6 0.23 inches 1941
7 0.22 inches 1946
8 0.17 inches 1935
9 0.15 inches 1981
10 0.14 inches 1907
10 0.14 inches 2001
Weather Station Details
Years Station Coordinates
1900–2024 Grand Junction Walker Field location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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