Casper December 15 Weather Records

Daily averages and all-time records for weather in Casper, Wyoming for the date of December 15.
December 15 All-Time Records
1900–2024
Highest temperature 60 °F 1936
Lowest temperature -20 °F 2008
Lowest daily high -1 °F 2008
Highest daily low 46 °F 1924
Most precipitation 0.52 inches 2010
Most snow 7.3 inches 2010
December 15 Average Weather
1991–2020 1
Average high 35.3 °F
Average low 15.3 °F
Chance precipitation 24.9%
Chance snow 24.1%
Casper December 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 47 23 0.00 0.0
2022 19 -3 0.00 0.0
2021 50 17 0.16 3.6
2020 30 20 0.00 0.4
2019 22 4 0.00 0.0
2018 48 30 0.00 0.0
2017 42 28 0.00 0.0
2016 46 13 0.00 0.0
2015 22 17 0.19 4.3
2014 27 14 0.29 4.3
2013 44 28 0.00 0.0
2012 35 19 0.01 0.0
2011 35 18 0.00 0.0
2010 44 10 0.52 7.3
2009 35 19 0.00 0.0
2008 -1 -20 0.00 0.0
2007 21 0 0.00 0.0
2006 55 30 0.00 0.0
2005 22 3 0.00 0.0
2004 42 22 0.05 0.6
2003 27 14 0.00 0.1
2002 51 30 0.00 0.0
2001 31 9 0.00 0.8
2000 38 4 0.05 2.0
1999 31 17 0.00 0.0
1998 49 12 0.00 0.0
1997 39 22 0.00 0.0
1996 27 8 0.00 n/a
1995 47 28 0.00 0.0
1994 34 18 0.00 0.0
1993 35 20 0.02 0.4
1992 27 19 0.29 4.1
1991 38 23 0.00 0.0
1990 29 13 0.00 0.0
1989 33 5 0.01 0.3
1988 20 -2 0.00 0.0
1987 25 3 0.00 0.0
1986 42 25 0.00 0.0
1985 30 13 0.00 0.0
1984 33 10 0.00 0.0
1983 25 14 0.00 0.0
1982 35 16 0.00 0.0
1981 46 18 0.01 0.2
1980 57 38 0.00 0.0
1979 45 -3 0.00 0.0
1978 33 10 0.00 0.0
1977 50 30 0.00 0.0
1976 45 23 0.00 0.0
1975 30 16 0.02 0.3
1974 28 13 0.00 0.1
1973 41 13 0.00 0.0
1972 25 2 0.00 0.0
1971 28 13 0.00 0.0
1970 37 17 0.00 0.0
1969 49 30 0.00 0.0
1968 42 29 0.00 0.0
1967 18 -5 0.00 0.0
1966 38 20 0.00 0.0
1965 12 -9 0.00 0.0
1964 38 -10 0.00 0.0
1963 36 9 0.00 0.0
1962 55 35 0.00 0.0
1961 34 20 0.00 0.0
1960 27 1 0.00 0.0
1959 45 30 0.00 0.0
1958 41 26 0.00 0.0
1957 45 28 0.00 0.0
1956 36 22 0.00 0.0
1955 35 2 0.00 0.0
1954 39 22 0.01 0.4
1953 35 20 0.00 0.0
1952 53 36 0.00 0.0
1951 32 -11 0.00 0.0
1950 45 27 0.00 0.0
1949 40 22 0.00 0.0
1948 27 0 0.08 1.0
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 n/a n/a n/a n/a
1938 42 n/a 0.06 1.0
1937 40 27 0.05 0.5
1936 60 40 0.00 0.0
1935 35 n/a 0.00 n/a
1934 41 32 0.00 0.0
1933 40 27 0.00 0.0
1932 n/a -7 0.00 0.0
1931 32 9 0.00 0.0
1930 33 9 n/a n/a
1929 56 43 n/a n/a
1928 n/a 18 n/a n/a
1927 n/a n/a n/a n/a
1926 24 -7 n/a n/a
1925 33 0 n/a n/a
1924 57 46 n/a n/a
1923 49 33 n/a n/a
1922 26 -4 n/a n/a
1921 54 24 0.00 n/a
1920 35 19 0.00 n/a
1919 n/a n/a n/a n/a
1918 51 39 0.00 0.0
1917 46 28 0.00 0.0
1916 n/a n/a n/a n/a
1915 37 17 0.30 3.0
1914 22 -3 0.00 0.0
1913 44 24 0.00 0.0
1912 n/a n/a n/a n/a
1911 36 10 0.00 0.0
1910 46 18 0.00 0.0
1909 40 11 0.20 2.0
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 25 3 n/a 0.0
1900 48 39 0.00 0.0
What's the all-time high for Casper on 12/15?
For the date of Dec 15, the highest temperature ever reached in Casper history is 60 °F which happened in 1936.
Highest Temperatures in Casper on December 15
Rank Temperature Year
1 60 °F 1936
2 57 °F 1924
2 57 °F 1980
4 56 °F 1929
5 55 °F 2006
5 55 °F 1962
7 54 °F 1921
8 53 °F 1952
9 51 °F 2002
9 51 °F 1918
What's the all-time low for Casper on 12/15?
For the date of Dec 15, the lowest temperature ever reached in Casper history is -20 °F which happened in 2008.
Lowest Temperatures in Casper on December 15
Rank Temperature Year
1 -20 °F 2008
2 -11 °F 1951
3 -10 °F 1964
4 -9 °F 1965
5 -7 °F 1926
5 -7 °F 1932
7 -5 °F 1967
8 -4 °F 1922
9 -3 °F 1914
9 -3 °F 2022
9 -3 °F 1979
Lowest High Temperatures in Casper on December 15
Rank Temperature Year
1 -1 °F 2008
2 12 °F 1965
3 18 °F 1967
4 19 °F 2022
5 20 °F 1988
6 21 °F 2007
7 22 °F 2019
7 22 °F 2015
7 22 °F 2005
7 22 °F 1914
What's the most it has ever rained in Casper on 12/15?
For the date of Dec 15, the most precipitation ever recorded in Casper history is 0.52 inches which happened in 2010.
All-Time Most Precipitation in Casper on December 15
Rank Precipitation Year
1 0.52 inches 2010
2 0.30 inches 1915
3 0.29 inches 1992
3 0.29 inches 2014
5 0.20 inches 1909
6 0.19 inches 2015
7 0.16 inches 2021
8 0.08 inches 1948
9 0.06 inches 1938
10 0.05 inches 1937
10 0.05 inches 2000
10 0.05 inches 2004
All-Time Most Snow in Casper on December 15
Rank Precipitation Year
1 7.3 inches 2010
2 4.3 inches 2015
2 4.3 inches 2014
4 4.1 inches 1992
5 3.6 inches 2021
6 3.0 inches 1915
7 2.0 inches 1909
7 2.0 inches 2000
9 1.0 inches 1938
9 1.0 inches 1948
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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