Grand Junction August 20 Weather Records

Daily averages and all-time records for weather in Grand Junction, Colorado for the date of August 20.
August 20 All-Time Records
1900–2024
Highest temperature 100 °F 2020
Lowest temperature 46 °F 1980
Lowest daily high 72 °F 1979
Highest daily low 72 °F 2012
Most precipitation 0.37 inches 1971
Most snow none -
August 20 Average Weather
1991–2020 1
Average high 90.2 °F
Average low 61.3 °F
Chance precipitation 20.3%
Chance snow 0%
Grand Junction August 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 99 69 0.00 0.0
2022 80 61 0.01 0.0
2021 73 49 0.00 0.0
2020 100 66 0.00 0.0
2019 98 59 0.00 0.0
2018 94 57 0.00 0.0
2017 95 61 0.00 0.0
2016 90 58 0.00 0.0
2015 90 54 0.00 0.0
2014 82 60 0.00 0.0
2013 88 68 0.00 0.0
2012 88 72 0.00 0.0
2011 95 71 0.00 0.0
2010 86 54 0.00 0.0
2009 94 60 0.00 0.0
2008 94 61 0.00 0.0
2007 95 63 0.00 0.0
2006 91 64 0.00 0.0
2005 88 60 0.00 0.0
2004 81 64 0.06 0.0
2003 94 57 0.00 0.0
2002 81 61 0.29 0.0
2001 83 63 0.02 0.0
2000 90 65 0.02 0.0
1999 82 61 0.02 0.0
1998 90 59 0.00 0.0
1997 94 63 0.00 0.0
1996 91 68 0.02 0.0
1995 80 63 0.03 0.0
1994 89 60 0.00 0.0
1993 80 54 0.01 0.0
1992 99 60 0.00 0.0
1991 91 59 0.00 0.0
1990 82 63 0.28 0.0
1989 77 57 0.01 0.0
1988 96 65 0.01 0.0
1987 83 64 0.00 0.0
1986 96 69 0.00 0.0
1985 93 60 0.00 0.0
1984 73 63 0.36 0.0
1983 89 65 0.00 0.0
1982 95 69 0.09 0.0
1981 94 65 0.00 0.0
1980 80 46 0.00 0.0
1979 72 52 0.01 0.0
1978 85 59 0.01 0.0
1977 94 65 0.00 0.0
1976 91 64 0.00 0.0
1975 84 65 0.00 0.0
1974 89 63 0.00 0.0
1973 95 64 0.00 0.0
1972 86 55 0.00 0.0
1971 86 63 0.37 0.0
1970 81 63 0.03 0.0
1969 89 62 0.00 0.0
1968 85 59 0.02 0.0
1967 93 58 0.00 0.0
1966 87 61 0.00 0.0
1965 85 55 0.00 0.0
1964 77 52 0.00 0.0
1963 78 62 0.18 0.0
1962 90 63 0.00 0.0
1961 92 71 0.00 0.0
1960 94 59 0.00 0.0
1959 87 64 0.00 0.0
1958 94 64 0.00 0.0
1957 77 60 0.08 0.0
1956 86 54 0.00 0.0
1955 92 64 0.00 0.0
1954 84 62 0.03 0.0
1953 94 59 0.00 0.0
1952 80 61 0.00 0.0
1951 77 61 0.09 0.0
1950 92 58 0.00 0.0
1949 94 54 0.00 0.0
1948 93 62 0.00 0.0
1947 87 67 0.00 0.0
1946 88 69 0.00 0.0
1945 92 70 0.00 0.0
1944 90 59 0.00 0.0
1943 91 64 0.00 0.0
1942 90 57 0.00 0.0
1941 88 62 0.14 0.0
1940 90 62 0.00 0.0
1939 92 68 0.00 0.0
1938 91 59 0.00 0.0
1937 93 57 0.00 0.0
1936 77 64 0.03 0.0
1935 94 60 0.00 0.0
1934 90 62 0.32 0.0
1933 91 59 0.00 0.0
1932 90 70 0.00 0.0
1931 95 64 0.00 0.0
1930 94 64 0.00 0.0
1929 92 65 0.00 0.0
1928 96 62 0.00 0.0
1927 87 57 0.00 0.0
1926 91 59 0.00 0.0
1925 85 61 0.00 0.0
1924 87 55 0.00 0.0
1923 83 60 0.00 0.0
1922 81 62 0.02 0.0
1921 80 61 0.13 0.0
1920 78 54 0.00 0.0
1919 91 59 0.00 0.0
1918 89 55 0.00 0.0
1917 86 60 0.00 0.0
1916 82 64 0.00 0.0
1915 90 61 0.00 0.0
1914 88 68 0.02 0.0
1913 94 68 0.00 0.0
1912 89 56 0.00 0.0
1911 88 68 0.11 0.0
1910 91 69 0.00 0.0
1909 84 64 0.00 0.0
1908 85 60 0.00 0.0
1907 87 58 0.12 0.0
1906 84 64 0.06 0.0
1905 96 61 0.00 0.0
1904 88 57 0.01 0.0
1903 96 69 0.00 0.0
1902 94 61 0.00 0.0
1901 80 59 0.10 0.0
1900 83 55 0.04 0.0
What's the all-time high for Grand Junction on 8/20?
For the date of Aug 20, the highest temperature ever reached in Grand Junction history is 100 °F which happened in 2020.
Highest Temperatures in Grand Junction on August 20
Rank Temperature Year
1 100 °F 2020
2 99 °F 1992
2 99 °F 2023
4 98 °F 2019
5 96 °F 1905
5 96 °F 1903
5 96 °F 1928
5 96 °F 1988
5 96 °F 1986
10 95 °F 1982
10 95 °F 2007
10 95 °F 2017
10 95 °F 1973
10 95 °F 2011
10 95 °F 1931
What's the all-time low for Grand Junction on 8/20?
For the date of Aug 20, the lowest temperature ever reached in Grand Junction history is 46 °F which happened in 1980.
Lowest Temperatures in Grand Junction on August 20
Rank Temperature Year
1 46 °F 1980
2 49 °F 2021
3 52 °F 1964
3 52 °F 1979
5 54 °F 1920
5 54 °F 1993
5 54 °F 1949
5 54 °F 2015
5 54 °F 2010
5 54 °F 1956
Lowest High Temperatures in Grand Junction on August 20
Rank Temperature Year
1 72 °F 1979
2 73 °F 2021
2 73 °F 1984
4 77 °F 1951
4 77 °F 1989
4 77 °F 1964
4 77 °F 1957
4 77 °F 1936
9 78 °F 1920
9 78 °F 1963
What's the most it has ever rained in Grand Junction on 8/20?
For the date of Aug 20, the most precipitation ever recorded in Grand Junction history is 0.37 inches which happened in 1971.
All-Time Most Precipitation in Grand Junction on August 20
Rank Precipitation Year
1 0.37 inches 1971
2 0.36 inches 1984
3 0.32 inches 1934
4 0.29 inches 2002
5 0.28 inches 1990
6 0.18 inches 1963
7 0.14 inches 1941
8 0.13 inches 1921
9 0.12 inches 1907
10 0.11 inches 1911
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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