Casper June 20 Weather Records

Daily averages and all-time records for weather in Casper, Wyoming for the date of June 20.
June 20 All-Time Records
1900–2024
Highest temperature 100 °F 1912
Lowest temperature 31 °F 1902
Lowest daily high 62 °F 1902
Highest daily low 67 °F 1988
Most precipitation 0.44 inches 2021
Most snow none -
June 20 Average Weather
1991–2020 1
Average high 81.6 °F
Average low 46.9 °F
Chance precipitation 27.5%
Chance snow 0.1%
Casper June 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 79 46 0.00 0.0
2022 75 43 0.00 0.0
2021 76 48 0.44 0.0
2020 82 41 0.00 0.0
2019 81 39 0.03 0.0
2018 71 43 0.00 0.0
2017 94 43 0.00 0.0
2016 87 43 0.00 0.0
2015 85 46 0.00 0.0
2014 85 45 0.00 0.0
2013 83 50 0.00 0.0
2012 72 47 0.02 0.0
2011 65 47 0.20 0.0
2010 84 48 0.00 0.0
2009 82 43 0.01 0.0
2008 81 46 0.00 0.0
2007 95 47 0.00 0.0
2006 89 47 0.00 0.0
2005 95 52 0.00 0.0
2004 76 47 0.00 0.0
2003 79 54 0.00 0.0
2002 90 44 0.08 0.0
2001 77 43 0.00 0.0
2000 67 42 0.02 0.0
1999 87 55 0.00 0.0
1998 69 41 0.00 n/a
1997 79 46 0.00 n/a
1996 90 37 0.00 n/a
1995 80 46 0.00 0.0
1994 88 55 0.00 0.0
1993 87 51 0.00 0.0
1992 85 55 0.02 0.0
1991 84 54 0.00 0.0
1990 85 44 0.00 0.0
1989 91 45 0.01 0.0
1988 97 67 0.00 0.0
1987 87 44 0.00 0.0
1986 83 53 0.01 0.0
1985 88 55 0.00 0.0
1984 85 48 0.00 0.0
1983 83 43 0.00 0.0
1982 80 47 0.00 0.0
1981 85 45 0.00 0.0
1980 85 49 0.00 0.0
1979 78 42 0.00 0.0
1978 77 40 0.00 0.0
1977 86 53 0.00 0.0
1976 87 41 0.00 0.0
1975 73 44 0.00 0.0
1974 93 59 0.00 0.0
1973 75 37 0.00 0.0
1972 74 40 0.00 0.0
1971 88 45 0.00 0.0
1970 78 50 0.00 0.0
1969 78 52 0.03 0.0
1968 89 51 0.00 0.0
1967 70 54 0.11 0.0
1966 89 50 0.00 0.0
1965 76 47 0.00 0.0
1964 70 40 0.00 0.0
1963 85 55 0.00 0.0
1962 75 54 0.29 0.0
1961 87 52 0.00 0.0
1960 89 39 0.00 0.0
1959 85 58 0.00 0.0
1958 68 47 0.03 0.0
1957 81 52 0.40 0.0
1956 89 53 0.00 0.0
1955 85 52 0.00 0.0
1954 82 54 0.01 0.0
1953 77 48 0.00 0.0
1952 75 50 0.00 0.0
1951 63 45 0.01 0.0
1950 76 49 0.00 0.0
1949 75 45 0.05 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 76 40 0.03 0.0
1938 89 48 0.08 n/a
1937 87 54 0.00 0.0
1936 94 56 0.00 0.0
1935 75 50 0.00 0.0
1934 74 46 0.38 n/a
1933 84 42 0.00 n/a
1932 80 48 0.00 n/a
1931 83 54 n/a n/a
1930 86 53 0.10 n/a
1929 81 35 n/a n/a
1928 71 42 0.10 n/a
1927 68 46 0.05 n/a
1926 78 54 n/a n/a
1925 88 54 n/a n/a
1924 72 38 n/a n/a
1923 79 51 0.21 n/a
1922 91 53 0.00 n/a
1921 70 48 0.00 n/a
1920 72 43 0.00 0.0
1919 n/a n/a n/a n/a
1918 n/a n/a n/a n/a
1917 74 48 0.00 0.0
1916 75 48 0.00 n/a
1915 69 41 0.00 0.0
1914 81 56 0.07 0.0
1913 88 50 0.30 n/a
1912 100 37 0.00 n/a
1911 84 62 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 62 31 0.00 n/a
1901 86 47 0.00 n/a
What's the all-time high for Casper on 6/20?
For the date of Jun 20, the highest temperature ever reached in Casper history is 100 °F which happened in 1912.
Highest Temperatures in Casper on June 20
Rank Temperature Year
1 100 °F 1912
2 97 °F 1988
3 95 °F 2007
3 95 °F 2005
5 94 °F 2017
5 94 °F 1936
7 93 °F 1974
8 91 °F 1922
8 91 °F 1989
10 90 °F 2002
10 90 °F 1996
What's the all-time low for Casper on 6/20?
For the date of Jun 20, the lowest temperature ever reached in Casper history is 31 °F which happened in 1902.
Lowest Temperatures in Casper on June 20
Rank Temperature Year
1 31 °F 1902
2 35 °F 1929
3 37 °F 1973
3 37 °F 1996
3 37 °F 1912
6 38 °F 1924
7 39 °F 2019
7 39 °F 1960
9 40 °F 1972
9 40 °F 1939
9 40 °F 1964
9 40 °F 1978
Lowest High Temperatures in Casper on June 20
Rank Temperature Year
1 62 °F 1902
2 63 °F 1951
3 65 °F 2011
4 67 °F 2000
5 68 °F 1927
5 68 °F 1958
7 69 °F 1998
7 69 °F 1915
9 70 °F 1964
9 70 °F 1921
9 70 °F 1967
What's the most it has ever rained in Casper on 6/20?
For the date of Jun 20, the most precipitation ever recorded in Casper history is 0.44 inches which happened in 2021.
All-Time Most Precipitation in Casper on June 20
Rank Precipitation Year
1 0.44 inches 2021
2 0.40 inches 1957
3 0.38 inches 1934
4 0.30 inches 1913
5 0.29 inches 1962
6 0.21 inches 1923
7 0.20 inches 2011
8 0.11 inches 1967
9 0.10 inches 1930
9 0.10 inches 1928
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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