Casper December 17 Weather Records

Daily averages and all-time records for weather in Casper, Wyoming for the date of December 17.
December 17 All-Time Records
1900–2024
Highest temperature 60 °F 1980
Lowest temperature -31 °F 1964
Lowest daily high -5 °F 1924
Highest daily low 39 °F 1900
Most precipitation 0.45 inches 1970
Most snow 7.4 inches 1968
December 17 Average Weather
1991–2020 1
Average high 34.8 °F
Average low 14.8 °F
Chance precipitation 25.4%
Chance snow 24.6%
Casper December 17 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 51 16 0.00 0.0
2022 20 11 0.00 0.0
2021 29 -9 0.03 0.8
2020 40 27 0.03 0.6
2019 25 12 0.00 0.0
2018 51 33 0.00 0.0
2017 31 16 0.02 0.3
2016 8 -30 0.00 0.0
2015 19 1 0.05 1.2
2014 33 17 0.00 0.0
2013 47 32 0.00 0.0
2012 48 22 0.00 0.0
2011 38 26 0.00 0.0
2010 12 -19 0.00 0.0
2009 44 27 0.00 0.0
2008 27 10 0.00 0.0
2007 35 23 0.00 0.0
2006 22 8 0.02 0.5
2005 10 -11 0.00 0.3
2004 43 29 0.00 0.0
2003 41 17 0.00 0.0
2002 44 28 0.03 0.4
2001 44 28 0.00 0.0
2000 35 14 0.01 2.0
1999 42 28 0.00 0.0
1998 55 29 0.00 0.0
1997 40 33 0.00 0.0
1996 10 -8 0.00 n/a
1995 31 6 0.09 1.9
1994 51 29 0.00 0.0
1993 27 2 0.01 0.1
1992 30 9 0.00 0.0
1991 43 9 0.00 0.0
1990 31 3 0.00 0.0
1989 24 3 0.00 0.0
1988 42 25 0.00 0.0
1987 43 14 0.00 0.0
1986 36 9 0.00 0.0
1985 36 23 0.02 0.2
1984 24 -16 0.01 0.2
1983 0 -18 0.02 0.4
1982 42 28 0.00 0.0
1981 27 -1 0.00 0.0
1980 60 26 0.00 0.0
1979 45 34 0.00 0.0
1978 39 24 0.00 0.0
1977 36 19 0.00 0.0
1976 52 35 0.00 0.0
1975 15 -11 0.00 0.0
1974 36 18 0.02 0.5
1973 46 35 0.00 0.0
1972 40 28 0.00 0.0
1971 33 21 0.00 0.0
1970 33 18 0.45 5.3
1969 50 22 0.00 0.0
1968 30 6 0.37 7.4
1967 23 13 0.05 1.3
1966 48 32 0.00 0.0
1965 26 9 0.00 0.0
1964 13 -31 0.00 0.0
1963 10 0 0.00 0.0
1962 55 35 0.00 0.0
1961 30 18 0.00 0.0
1960 37 21 0.00 0.0
1959 30 16 0.00 0.0
1958 47 25 0.00 0.0
1957 49 28 0.00 0.0
1956 37 21 0.00 0.0
1955 36 11 0.00 0.0
1954 39 15 0.00 0.0
1953 42 15 0.00 0.0
1952 36 25 0.00 0.0
1951 28 2 0.00 0.0
1950 46 28 0.00 0.0
1949 31 18 0.00 0.0
1948 24 2 0.00 0.0
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 36 18 0.00 0.0
1937 35 23 0.00 0.0
1936 40 27 0.00 0.0
1935 39 n/a 0.00 n/a
1934 49 33 0.04 0.5
1933 40 n/a 0.00 0.0
1932 n/a n/a 0.00 0.0
1931 52 33 0.00 0.0
1930 37 14 0.17 2.0
1929 49 11 0.04 0.5
1928 n/a 11 n/a n/a
1927 n/a n/a n/a n/a
1926 39 31 n/a n/a
1925 49 26 n/a n/a
1924 -5 -14 0.07 1.0
1923 52 24 n/a n/a
1922 27 -17 n/a n/a
1921 32 13 0.00 n/a
1920 43 27 0.00 n/a
1919 n/a n/a n/a n/a
1918 33 25 0.00 0.0
1917 45 38 0.00 0.0
1916 n/a n/a n/a n/a
1915 22 14 0.00 0.0
1914 33 -15 0.00 0.0
1913 33 1 0.00 0.0
1912 n/a n/a n/a n/a
1911 35 4 0.00 0.0
1910 46 10 0.00 0.0
1909 14 -10 0.00 0.0
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 39 n/a n/a n/a
1900 48 39 0.00 0.0
What's the all-time high for Casper on 12/17?
For the date of Dec 17, the highest temperature ever reached in Casper history is 60 °F which happened in 1980.
Highest Temperatures in Casper on December 17
Rank Temperature Year
1 60 °F 1980
2 55 °F 1998
2 55 °F 1962
4 52 °F 1931
4 52 °F 1976
4 52 °F 1923
7 51 °F 2023
7 51 °F 1994
7 51 °F 2018
10 50 °F 1969
What's the all-time low for Casper on 12/17?
For the date of Dec 17, the lowest temperature ever reached in Casper history is -31 °F which happened in 1964.
Lowest Temperatures in Casper on December 17
Rank Temperature Year
1 -31 °F 1964
2 -30 °F 2016
3 -19 °F 2010
4 -18 °F 1983
5 -17 °F 1922
6 -16 °F 1984
7 -15 °F 1914
8 -14 °F 1924
9 -11 °F 1975
9 -11 °F 2005
Lowest High Temperatures in Casper on December 17
Rank Temperature Year
1 -5 °F 1924
2 0 °F 1983
3 8 °F 2016
4 10 °F 1963
4 10 °F 1996
4 10 °F 2005
7 12 °F 2010
8 13 °F 1964
9 14 °F 1909
10 15 °F 1975
What's the most it has ever rained in Casper on 12/17?
For the date of Dec 17, the most precipitation ever recorded in Casper history is 0.45 inches which happened in 1970.
All-Time Most Precipitation in Casper on December 17
Rank Precipitation Year
1 0.45 inches 1970
2 0.37 inches 1968
3 0.17 inches 1930
4 0.09 inches 1995
5 0.07 inches 1924
6 0.05 inches 2015
6 0.05 inches 1967
8 0.04 inches 1929
8 0.04 inches 1934
10 0.03 inches 2021
10 0.03 inches 2002
10 0.03 inches 2020
All-Time Most Snow in Casper on December 17
Rank Precipitation Year
1 7.4 inches 1968
2 5.3 inches 1970
3 2.0 inches 1930
3 2.0 inches 2000
5 1.9 inches 1995
6 1.3 inches 1967
7 1.2 inches 2015
8 1.0 inches 1924
9 0.8 inches 2021
10 0.6 inches 2020
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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