Casper July 20 Weather Records

Daily averages and all-time records for weather in Casper, Wyoming for the date of July 20.
July 20 All-Time Records
1900–2024
Highest temperature 103 °F 1912
Lowest temperature 30 °F 1915
Lowest daily high 58 °F 1973
Highest daily low 70 °F 1929
Most precipitation 0.90 inches 1912
Most snow none -
July 20 Average Weather
1991–2020 1
Average high 89.4 °F
Average low 53.8 °F
Chance precipitation 22.4%
Chance snow 0%
Casper July 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 72 54 0.49 0.0
2022 94 55 0.00 0.0
2021 93 52 0.00 0.0
2020 89 52 0.00 0.0
2019 84 56 0.00 0.0
2018 97 52 0.00 0.0
2017 95 60 0.00 0.0
2016 96 63 0.00 0.0
2015 86 43 0.01 0.0
2014 97 56 0.00 0.0
2013 93 55 0.00 0.0
2012 99 63 0.00 0.0
2011 90 56 0.00 0.0
2010 88 51 0.00 0.0
2009 83 51 0.00 0.0
2008 92 49 0.00 0.0
2007 95 56 0.00 0.0
2006 88 64 0.01 0.0
2005 99 63 0.00 0.0
2004 87 59 0.12 0.0
2003 95 61 0.00 0.0
2002 88 60 0.00 0.0
2001 93 52 0.00 0.0
2000 89 47 0.06 0.0
1999 90 48 0.00 0.0
1998 97 62 0.00 n/a
1997 83 53 0.06 n/a
1996 93 52 0.00 n/a
1995 84 50 0.00 0.0
1994 82 52 0.00 0.0
1993 92 54 0.00 0.0
1992 74 54 0.00 0.0
1991 91 62 0.00 0.0
1990 62 51 0.80 0.0
1989 94 52 0.00 0.0
1988 85 47 0.00 0.0
1987 91 50 0.00 0.0
1986 81 54 0.02 0.0
1985 85 52 0.00 0.0
1984 90 57 0.00 0.0
1983 94 61 0.00 0.0
1982 95 56 0.00 0.0
1981 94 48 0.00 0.0
1980 84 51 0.00 0.0
1979 93 52 0.00 0.0
1978 82 53 0.40 0.0
1977 73 58 0.04 0.0
1976 74 57 0.00 0.0
1975 90 52 0.01 0.0
1974 89 61 0.16 0.0
1973 58 51 0.10 0.0
1972 84 43 0.54 0.0
1971 89 49 0.00 0.0
1970 90 53 0.00 0.0
1969 88 56 0.17 0.0
1968 95 60 0.00 0.0
1967 90 57 0.00 0.0
1966 94 61 0.00 0.0
1965 88 58 0.00 0.0
1964 93 60 0.00 0.0
1963 93 55 0.00 0.0
1962 88 49 0.00 0.0
1961 74 50 0.02 0.0
1960 96 64 0.00 0.0
1959 85 56 0.00 0.0
1958 80 51 0.01 0.0
1957 85 55 0.00 0.0
1956 87 51 0.00 0.0
1955 94 59 0.00 0.0
1954 91 61 0.00 0.0
1953 91 60 0.00 0.0
1952 86 49 0.00 0.0
1951 86 58 0.07 0.0
1950 79 54 0.01 0.0
1949 88 45 0.00 0.0
1948 n/a n/a n/a n/a
1947 n/a n/a n/a n/a
1946 n/a n/a n/a n/a
1945 n/a n/a n/a n/a
1944 n/a n/a n/a n/a
1943 n/a n/a n/a n/a
1942 n/a n/a n/a n/a
1941 n/a n/a n/a n/a
1940 n/a n/a n/a n/a
1939 98 56 0.00 0.0
1938 84 53 0.01 n/a
1937 92 51 0.00 0.0
1936 93 62 0.10 0.0
1935 95 61 0.00 0.0
1934 90 59 0.00 0.0
1933 90 n/a 0.00 0.0
1932 92 63 0.00 0.0
1931 n/a n/a n/a n/a
1930 79 59 n/a n/a
1929 94 70 n/a n/a
1928 82 52 0.50 n/a
1927 94 61 0.08 n/a
1926 93 57 0.00 n/a
1925 87 59 0.35 n/a
1924 87 51 n/a n/a
1923 94 64 0.00 n/a
1922 92 62 0.22 n/a
1921 92 57 0.00 n/a
1920 92 57 0.02 0.0
1919 n/a n/a n/a n/a
1918 93 65 0.00 n/a
1917 89 60 0.00 0.0
1916 92 46 0.00 n/a
1915 71 30 0.00 0.0
1914 93 64 0.00 0.0
1913 84 47 0.00 n/a
1912 103 n/a 0.90 n/a
1911 95 46 0.00 n/a
1910 n/a n/a n/a n/a
1909 n/a n/a n/a n/a
1908 n/a n/a n/a n/a
1907 n/a n/a n/a n/a
1906 n/a n/a n/a n/a
1905 n/a n/a n/a n/a
1904 n/a n/a n/a n/a
1903 n/a n/a n/a n/a
1902 n/a n/a n/a n/a
1901 103 59 0.00 n/a
What's the all-time high for Casper on 7/20?
For the date of Jul 20, the highest temperature ever reached in Casper history is 103 °F which has happened 2 times, most recently in 1912.
Highest Temperatures in Casper on July 20
Rank Temperature Year
1 103 °F 1912
1 103 °F 1901
3 99 °F 2012
3 99 °F 2005
5 98 °F 1939
6 97 °F 1998
6 97 °F 2014
6 97 °F 2018
9 96 °F 1960
9 96 °F 2016
What's the all-time low for Casper on 7/20?
For the date of Jul 20, the lowest temperature ever reached in Casper history is 30 °F which happened in 1915.
Lowest Temperatures in Casper on July 20
Rank Temperature Year
1 30 °F 1915
2 43 °F 2015
2 43 °F 1972
4 45 °F 1949
5 46 °F 1916
5 46 °F 1911
7 47 °F 2000
7 47 °F 1988
7 47 °F 1913
10 48 °F 1999
10 48 °F 1981
Lowest High Temperatures in Casper on July 20
Rank Temperature Year
1 58 °F 1973
2 62 °F 1990
3 71 °F 1915
4 72 °F 2023
5 73 °F 1977
6 74 °F 1961
6 74 °F 1992
6 74 °F 1976
9 79 °F 1950
9 79 °F 1930
What's the most it has ever rained in Casper on 7/20?
For the date of Jul 20, the most precipitation ever recorded in Casper history is 0.90 inches which happened in 1912.
All-Time Most Precipitation in Casper on July 20
Rank Precipitation Year
1 0.90 inches 1912
2 0.80 inches 1990
3 0.54 inches 1972
4 0.50 inches 1928
5 0.49 inches 2023
6 0.40 inches 1978
7 0.35 inches 1925
8 0.22 inches 1922
9 0.17 inches 1969
10 0.16 inches 1974
Weather Station Details
Years Station Coordinates
1949–2024 Casper-Natrona County International Airport location
1900–1948 Casper 2 E location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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