Newcastle Weather Records

Newcastle, Wyoming weather averages and records from 1906–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Newcastle, Wyoming was 108 °F which occurred on July 16, 2006.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Newcastle, Wyoming was -37 °F which occurred on January 17, 1930.
Lowest Temperatures: All-Time By Year
Newcastle Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 35.5 13.7 66 -37 0.5 6.5
February 38.7 15.5 69 -33 0.6 7.9
March 49.6 25.0 82 -18 0.8 5.5
April 58.1 32.7 91 -13 1.7 5.2
May 67.4 42.5 98 11 2.9 0.6
June 78.6 52.1 105 28 2.6 0.0
July 87.9 59.5 108 37 2.2 0.0
August 86.5 57.8 105 26 1.5 0.0
September 76.1 48.3 101 12 1.2 0.2
October 60.8 35.2 90 -11 1.2 1.7
November 46.2 23.5 78 -21 0.6 5.4
December 35.7 14.4 68 -35 0.5 6.6
Entire year 60.2 35.2 108 -37 16.0 39.4
More Newcastle Weather Records
1906–2024
Highest daily low 79 °F June 27, 1919
Lowest daily high -17 °F February 8, 1933
Greatest daily range
(Difference of high and low)		 67 °F December 18, 1964
Greatest difference in daily high
over two conscutive days		 50 °F Dec 14–15, 2008
Most daily precipitation 2.8 inches May 10, 2011
Most monthly precipitation 6.4 inches June 1999
Most yearly precipitation 24.3 inches 1996
Most yearly days with precipitation 116 1996
Earliest snow in season September 6 1929
Latest snow in season May 29 1929
Most daily snow 18.0 inches April 19, 2006
Most monthly snow 25.0 inches April 2006
Most yearly snow 63.0 inches 2003
Most snow in a winter 78.0 inches 1911–1912
Greatest snow accumulation 18.0 inches April 19, 2006
Earliest freeze August 25 1910
Earliest day ≥ 80 °F March 21 1910
Earliest day ≥ 90 °F April 27 1910
Earliest day ≥ 100 °F June 9 2000
Latest freeze June 19 1912
Latest day ≥ 80 °F October 29 1937
Latest day ≥ 90 °F October 12 1910
Latest day ≥ 100 °F September 9 2022
Most days in a year < 0 °F 35 1985
Most days in a year < 32 °F 195 1970
Most days in a year ≥ 80 °F 115 1994
Most days in a year ≥ 90 °F 62 2001
Most days in a year ≥ 100 °F 21 1936
Newcastle Weather Streaks
Most consecutive days...
With precipitation 13 days Dec 18–30, 1990
Without precipitation 55 days Oct 1 – Nov 24, 1965
With snow 13 days Dec 18–30, 1990
High temperature at or
below freezing		 25 days Jan 27 – Feb 20, 1936
High temperature ≥ 80 °F 80 days Jun 21 – Sep 8, 1970
High temperature ≥ 90 °F 38 days Jul 12 – Aug 18, 2003
High temperature ≥ 100 °F 7 days Jul 13–19, 1936
Plant Hardiness Zone
5A
Newcastle is in plant hardiness zone 5A
based on average yearly minimum temperature from 1991–2020
Newcastle Weather by Year
2024 2023 2022 2021 2020 2019 2018 2017 2016 2015
2014 2013 2012 2011 2010 2009 2008 2007 2006 2005
2004 2003 2002 2001 2000 1999 1998 1997 1996 1995
1994 1993 1992 1991 1990 1989 1988 1987 1986 1985
1984 1983 1982 1981 1980 1979 1978 1977 1976 1975
1974 1973 1972 1971 1970 1969 1968 1967 1966 1965
1964 1963 1962 1961 1960 1959 1958 1957 1956 1955
1954 1953 1952 1951 1950 1949 1948 1947 1946 1945
1944 1943 1942 1941 1940 1939 1938 1937 1936 1935
1934 1933 1932 1931 1930 1929 1928 1927 1926 1925
1924 1923 1922 1921 1920 1919 1918 1916 1915 1914
1913 1912 1911 1910 1909 1908 1907 1906
More Newcastle Weather
Average Weather by Day
Record High by Day
Record Low by Day
Average Temperature by Year
Average Temperature by Month
Average Rainfall By Month
Recent Weather Records
Compare Newcastle to:
Weather Station Details
Years Station Coordinates
1906–2024 Newcastle location
© H Brothers Inc, 2021–2024
Contact us | Privacy policy