Casper December 1 Weather Records

Daily averages and all-time records for weather in Casper, Wyoming for the date of December 1.
December 1 All-Time Records
1900–2023
Highest temperature 63 °F 2021
Lowest temperature -23 °F 1985
Lowest daily high -4 °F 1985
Highest daily low 45 °F 1917
Most precipitation 1.2 inches 1982
Most snow 16.5 inches 1982
December 1 Average Weather
1991–2020 1
Average high 39.7 °F
Average low 18.4 °F
Chance precipitation 23.0%
Chance snow 21.6%
Casper December 1 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 46 31 0.00 0.0
2021 63 41 0.00 0.0
2020 35 20 0.01 0.2
2019 31 10 0.00 0.0
2018 35 20 0.00 0.0
2017 50 33 0.00 0.0
2016 36 15 0.01 0.3
2015 28 15 0.00 0.0
2014 48 6 0.00 0.0
2013 46 31 0.00 0.0
2012 56 42 0.00 0.0
2011 27 9 0.07 2.2
2010 42 25 0.00 0.0
2009 40 14 0.06 1.4
2008 52 15 0.00 0.0
2007 24 1 0.17 2.4
2006 33 6 0.00 0.0
2005 27 4 0.00 0.0
2004 23 8 0.00 0.0
2003 48 30 0.00 0.0
2002 49 29 0.00 0.0
2001 35 18 0.00 0.0
2000 33 12 0.00 0.0
1999 59 20 0.00 0.0
1998 59 39 0.00 0.0
1997 39 17 0.13 3.5
1996 36 20 0.00 n/a
1995 63 42 0.00 0.0
1994 55 38 0.00 0.0
1993 42 26 0.00 0.0
1992 33 7 0.00 0.0
1991 20 -3 0.00 0.0
1990 34 20 0.00 0.0
1989 41 20 0.00 0.0
1988 44 29 0.00 0.0
1987 40 26 0.00 0.0
1986 36 13 0.00 0.0
1985 -4 -23 0.00 0.0
1984 30 10 0.01 0.2
1983 36 6 0.00 0.0
1982 41 27 1.24 16.5
1981 35 9 0.00 0.0
1980 25 -6 0.20 6.1
1979 27 10 0.00 0.0
1978 34 11 0.08 2.0
1977 32 18 0.00 0.0
1976 32 8 0.00 0.1
1975 44 27 0.00 0.0
1974 41 14 0.00 0.0
1973 61 39 0.00 0.0
1972 42 30 0.00 0.0
1971 32 12 0.00 0.0
1970 42 28 0.00 0.0
1969 51 25 0.00 0.0
1968 30 7 0.02 0.3
1967 29 6 0.01 0.2
1966 19 11 0.00 0.0
1965 43 24 0.00 0.0
1964 47 28 0.11 1.1
1963 41 20 0.00 0.0
1962 51 22 0.00 0.0
1961 45 29 0.00 0.0
1960 52 31 0.00 0.0
1959 47 14 0.00 0.0
1958 52 30 0.00 0.0
1957 42 26 0.00 0.0
1956 46 26 0.00 0.0
1955 41 25 0.00 0.0
1954 38 7 0.00 0.0
1953 41 13 0.18 3.3
1952 35 19 0.00 0.0
1951 51 38 0.00 0.0
1950 43 22 0.10 2.3
1949 53 20 0.00 0.0
1948 37 24 0.00 0.0
1938 47 27 0.00 0.0
1937 45 22 0.00 0.0
1936 53 17 0.14 2.0
1935 45 19 0.00 n/a
1934 33 24 0.00 0.0
1933 40 16 0.00 0.0
1932 n/a 42 0.00 0.0
1931 43 n/a 0.00 0.0
1930 49 37 n/a n/a
1929 31 9 0.10 1.5
1928 37 25 0.16 2.0
1926 58 38 n/a n/a
1925 54 44 n/a n/a
1924 54 24 n/a n/a
1923 43 11 0.14 1.5
1922 36 7 0.00 n/a
1921 48 40 0.00 n/a
1920 53 35 0.00 n/a
1918 39 22 0.00 0.0
1917 54 45 0.00 0.0
1914 34 9 0.00 0.0
1913 35 28 0.20 3.0
1911 63 n/a 0.00 0.0
1910 45 n/a 0.00 0.0
1909 39 27 0.00 0.0
1901 44 32 n/a n/a
1900 47 30 0.00 0.0
What's the all-time high for Casper on 12/1?
For the date of Dec 1, the highest temperature ever reached in Casper history is 63 °F which has happened 3 times, most recently in 2021.
Highest Temperatures in Casper on December 1
Rank Temperature Year
1 63 °F 1911
1 63 °F 2021
1 63 °F 1995
4 61 °F 1973
5 59 °F 1999
5 59 °F 1998
7 58 °F 1926
8 56 °F 2012
9 55 °F 1994
10 54 °F 1925
10 54 °F 1924
10 54 °F 1917
What's the all-time low for Casper on 12/1?
For the date of Dec 1, the lowest temperature ever reached in Casper history is -23 °F which happened in 1985.
Lowest Temperatures in Casper on December 1
Rank Temperature Year
1 -23 °F 1985
2 -6 °F 1980
3 -3 °F 1991
4 1 °F 2007
5 4 °F 2005
6 6 °F 2006
6 6 °F 1983
6 6 °F 1967
6 6 °F 2014
10 7 °F 1992
10 7 °F 1922
10 7 °F 1968
10 7 °F 1954
Lowest High Temperatures in Casper on December 1
Rank Temperature Year
1 -4 °F 1985
2 19 °F 1966
3 20 °F 1991
4 23 °F 2004
5 24 °F 2007
6 25 °F 1980
7 27 °F 2005
7 27 °F 1979
7 27 °F 2011
10 28 °F 2015
What's the most it has ever rained in Casper on 12/1?
For the date of Dec 1, the most precipitation ever recorded in Casper history is 1.24 inches which happened in 1982.
All-Time Most Precipitation in Casper on December 1
Rank Precipitation Year
1 1.24 inches 1982
2 0.20 inches 1980
2 0.20 inches 1913
4 0.18 inches 1953
5 0.17 inches 2007
6 0.16 inches 1928
7 0.14 inches 1936
7 0.14 inches 1923
9 0.13 inches 1997
10 0.11 inches 1964
All-Time Most Snow in Casper on December 1
Rank Precipitation Year
1 16.5 inches 1982
2 6.1 inches 1980
3 3.5 inches 1997
4 3.3 inches 1953
5 3.0 inches 1913
6 2.4 inches 2007
7 2.3 inches 1950
8 2.2 inches 2011
9 2.0 inches 1936
9 2.0 inches 1928
9 2.0 inches 1978
Weather Station Details
Years Station Coordinates
1949–2023 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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