Gillette, Wyoming
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 31° -36° (1930) 67° (1981) 0.56" 8.7"
February 15° 37° -40° (1936) 70° (1982) 0.54" 7.8"
March 21° 45° -23° (1960) 80° (2004) 1" 11"
April 29° 55° -12° (1936) 88° (1980) 1.97" 10.4"
May 38° 64° 11° (1954) 95° (1934) 2.95" 2.1"
June 48° 76° 28° (1969) 104° (1954) 2.64" 0.1"
July 54° 85° 35° (1968) 107° (1981) 1.78" 0"
August 53° 83° 32° (1964) 106° (1949) 1.33" 0"
September 43° 72° 10° (1926) 102° (1978) 1.43" 0.8"
October 32° 59° -12° (1925) 89° (1963) 1.57" 4.7"
November 20° 42° -26° (1959) 75° (2006) 0.7" 8.5"
December 12° 33° -37° (1983) 69° (1939) 0.67" 10.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 49° 78° 30° (1930) 98° (1983) 0.04" NA
Sep 2 48° 78° 34° (1974) 96° (1940) 0.04" NA
Sep 3 48° 77° 31° (1961) 98° (1978) 0.04" NA
Sep 4 48° 77° 25° (1962) 98° (1978) 0.04" NA
Sep 5 47° 76° 32° (1965) 102° (1978) 0.04" NA
Sep 6 47° 76° 31° (1929) 102° (1978) 0.04" NA
Sep 7 46° 75° 28° (1929) 99° (1978) 0.04" NA
Sep 8 46° 75° 26° (1962) 99° (1979) 0.05" NA
Sep 9 46° 75° 31° (1962) 98° (1979) 0.05" NA
Sep 10 45° 74° 29° (1989) 93° (1952) 0.05" NA
Sep 11 45° 74° 24° (1989) 96° (1959) 0.05" NA
Sep 12 44° 73° 23° (1949) 96° (1959) 0.05" NA
Sep 13 44° 73° 25° (1970) 92° (1971) 0.05" NA
Sep 14 44° 72° 24° (1993) 98° (1948) 0.05" NA
Sep 15 43° 72° 28° (1950) 90° (2000) 0.05" NA
Sep 16 43° 71° 25° (1965) 94° (2000) 0.05" NA
Sep 17 43° 71° 23° (1965) 90° (1943) 0.05" NA
Sep 18 42° 71° 21° (1971) 92° (1984) 0.05" NA
Sep 19 42° 70° 25° (1965) 91° (1937) 0.05" NA
Sep 20 41° 70° 24° (1983) 97° (1956) 0.05" NA
Sep 21 41° 69° 19° (1995) 90° (1938) 0.05" NA
Sep 22 41° 69° 25° (1971) 92° (1958) 0.05" NA
Sep 23 40° 69° 24° (1926) 90° (1966) 0.05" NA
Sep 24 40° 68° 14° (1926) 87° (1938) 0.05" NA
Sep 25 40° 68° 10° (1926) 88° (1979) 0.05" NA
Sep 26 39° 67° 14° (1942) 89° (1943) 0.05" NA
Sep 27 39° 67° 22° (1964) 90° (1963) 0.05" NA
Sep 28 39° 67° 20° (1985) 89° (2001) 0.05" NA
Sep 29 38° 66° 19° (1985) 86° (1952) 0.05" NA
Sep 30 38° 66° 21° (1961) 90° (1963) 0.05" NA
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