Casper May 1 Weather Records

Daily averages and all-time records for weather in Casper, Wyoming for the date of May 1.
May 1 All-Time Records
1900–2024
Highest temperature 81 °F 1959
Lowest temperature 17 °F 2005
Lowest daily high 29 °F 1954
Highest daily low 50 °F 1987
Most precipitation 0.87 inches 1935
Most snow 3.5 inches 2013
May 1 Average Weather
1991–2020 1
Average high 61.2 °F
Average low 32.5 °F
Chance precipitation 35.1%
Chance snow 12.6%
Casper May 1 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 72 26 0.00 0.0
2022 59 31 0.00 0.0
2021 77 48 0.01 0.0
2020 66 44 0.00 0.0
2019 41 21 0.17 1.8
2018 57 29 0.00 0.0
2017 52 31 0.18 0.0
2016 51 30 0.00 0.0
2015 72 27 0.00 0.0
2014 61 22 0.00 0.0
2013 36 23 0.16 3.5
2012 68 38 0.00 0.0
2011 51 25 0.00 0.0
2010 56 27 0.00 0.0
2009 49 31 0.00 0.0
2008 44 31 0.12 0.0
2007 75 36 0.20 0.0
2006 70 39 0.03 0.0
2005 42 17 0.00 0.0
2004 59 32 0.00 0.0
2003 49 33 0.04 0.0
2002 38 25 0.10 2.3
2001 71 33 0.00 0.0
2000 72 34 0.00 0.0
1999 65 38 0.00 0.0
1998 67 37 0.00 n/a
1997 44 33 0.42 n/a
1996 61 31 0.00 n/a
1995 57 28 0.00 0.0
1994 67 35 0.00 0.0
1993 58 29 0.00 0.0
1992 65 38 0.00 0.0
1991 56 22 0.00 0.0
1990 52 19 0.00 0.0
1989 63 24 0.00 0.0
1988 46 31 0.22 3.0
1987 75 50 0.00 0.0
1986 71 24 0.00 0.0
1985 75 39 0.00 0.0
1984 55 30 0.10 1.9
1983 48 33 0.07 0.5
1982 75 34 0.00 0.0
1981 80 38 0.00 0.0
1980 65 29 0.00 0.0
1979 63 32 0.41 0.0
1978 51 40 0.00 0.0
1977 65 45 0.04 0.0
1976 67 31 0.00 0.0
1975 58 24 0.00 0.0
1974 71 41 0.00 0.0
1973 34 31 0.10 1.5
1972 46 26 0.00 0.0
1971 69 39 0.00 0.0
1970 50 27 0.00 0.0
1969 70 31 0.00 0.0
1968 75 41 0.00 0.0
1967 37 20 0.00 0.0
1966 68 29 0.00 0.0
1965 75 47 0.01 0.0
1964 68 44 0.00 0.0
1963 69 40 0.00 0.0
1962 63 32 0.00 0.0
1961 66 36 0.00 0.0
1960 61 30 0.00 0.0
1959 81 50 0.00 0.0
1958 66 26 0.00 0.0
1957 73 43 0.00 0.0
1956 60 38 0.02 0.0
1955 79 47 0.00 0.0
1954 29 21 0.03 0.5
1953 49 32 0.28 1.0
1952 73 41 0.00 0.0
1951 47 33 0.00 0.0
1950 56 24 0.00 0.0
1949 64 32 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 74 40 0.00 0.0
1938 76 39 0.15 0.0
1937 61 34 0.00 0.0
1936 58 35 0.00 0.0
1935 n/a 31 0.87 0.0
1934 n/a 44 0.00 0.0
1933 57 35 0.00 n/a
1932 67 29 0.00 0.0
1931 65 39 0.45 n/a
1930 72 49 n/a n/a
1929 47 28 0.06 0.8
1928 78 50 n/a 0.0
1927 75 46 n/a n/a
1926 74 47 n/a n/a
1925 72 30 n/a n/a
1924 65 31 n/a n/a
1923 63 34 0.03 n/a
1922 61 40 0.00 n/a
1921 63 25 0.00 n/a
1920 65 34 0.00 n/a
1919 n/a n/a n/a n/a
1918 72 32 0.00 n/a
1917 45 31 0.00 n/a
1916 56 25 0.00 n/a
1915 n/a n/a n/a n/a
1914 56 38 0.00 0.0
1913 n/a n/a n/a n/a
1912 76 35 0.00 n/a
1911 46 29 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 74 50 0.00 n/a
What's the all-time high for Casper on 5/1?
For the date of May 1, the highest temperature ever reached in Casper history is 81 °F which happened in 1959.
Highest Temperatures in Casper on May 1
Rank Temperature Year
1 81 °F 1959
2 80 °F 1981
3 79 °F 1955
4 78 °F 1928
5 77 °F 2021
6 76 °F 1938
6 76 °F 1912
8 75 °F 1965
8 75 °F 1968
8 75 °F 1982
8 75 °F 1985
8 75 °F 1987
8 75 °F 2007
8 75 °F 1927
What's the all-time low for Casper on 5/1?
For the date of May 1, the lowest temperature ever reached in Casper history is 17 °F which happened in 2005.
Lowest Temperatures in Casper on May 1
Rank Temperature Year
1 17 °F 2005
2 19 °F 1990
3 20 °F 1967
4 21 °F 2019
4 21 °F 1954
6 22 °F 1991
6 22 °F 2014
8 23 °F 2013
9 24 °F 1950
9 24 °F 1975
9 24 °F 1989
9 24 °F 1986
Lowest High Temperatures in Casper on May 1
Rank Temperature Year
1 29 °F 1954
2 34 °F 1973
3 36 °F 2013
4 37 °F 1967
5 38 °F 2002
6 41 °F 2019
7 42 °F 2005
8 44 °F 2008
8 44 °F 1997
10 45 °F 1917
What's the most it has ever rained in Casper on 5/1?
For the date of May 1, the most precipitation ever recorded in Casper history is 0.87 inches which happened in 1935.
All-Time Most Precipitation in Casper on May 1
Rank Precipitation Year
1 0.87 inches 1935
2 0.45 inches 1931
3 0.42 inches 1997
4 0.41 inches 1979
5 0.28 inches 1953
6 0.22 inches 1988
7 0.20 inches 2007
8 0.18 inches 2017
9 0.17 inches 2019
10 0.16 inches 2013
All-Time Most Snow in Casper on May 1
Rank Precipitation Year
1 3.5 inches 2013
2 3.0 inches 1988
3 2.3 inches 2002
4 1.9 inches 1984
5 1.8 inches 2019
6 1.5 inches 1973
7 1.0 inches 1953
8 0.8 inches 1929
9 0.5 inches 1983
9 0.5 inches 1954
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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