Sinclair, Wyoming
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 31° -36° (1973) 56° (1981) 0.36" 8.3"
February 14° 34° -36° (1989) 58° (1962) 0.44" 7.3"
March 21° 44° -23° (1998) 68° (1986) 0.68" 6"
April 27° 54° -11° (1970) 77° (2007) 1.05" 6"
May 35° 64° 11° (2002) 88° (2002) 1.41" 1.4"
June 43° 75° 21° (1951) 97° (1954) 1.03" 0.3"
July 50° 84° 32° (1993) 98° (1954) 0.84" 0"
August 49° 82° 28° (1962) 98° (2000) 0.76" 0"
September 40° 71° 8° (1985) 95° (1998) 0.97" 1"
October 30° 56° -7° (1972) 81° (1996) 0.75" 3.9"
November 20° 41° -23° (1991) 70° (1999) 0.55" 7.8"
December 12° 31° -35° (1990) 57° (1962) 0.43" 7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 45° 77° 30° (2005) 91° (1995) 0.03" NA
Sep 2 45° 77° 33° (1961) 89° (1995) 0.03" NA
Sep 3 45° 76° 29° (1974) 91° (1998) 0.02" NA
Sep 4 44° 76° 31° (1953) 95° (1998) 0.03" NA
Sep 5 44° 76° 32° (1953) 93° (1998) 0.03" NA
Sep 6 44° 75° 29° (1956) 91° (1998) 0.03" NA
Sep 7 43° 75° 34° (1956) 88° (1998) 0.03" NA
Sep 8 43° 74° 24° (1962) 88° (1997) 0.03" NA
Sep 9 43° 74° 19° (1962) 85° (1979) 0.03" NA
Sep 10 42° 73° 29° (1960) 90° (1996) 0.04" NA
Sep 11 42° 73° 27° (1957) 85° (1958) 0.03" NA
Sep 12 41° 73° 25° (1974) 87° (1990) 0.03" NA
Sep 13 41° 72° 23° (1974) 86° (1990) 0.03" NA
Sep 14 41° 72° 22° (1993) 86° (1990) 0.03" NA
Sep 15 40° 71° 27° (1979) 91° (2000) 0.04" NA
Sep 16 40° 71° 19° (1965) 91° (2000) 0.03" NA
Sep 17 40° 70° 17° (1965) 86° (1998) 0.03" NA
Sep 18 39° 70° 17° (1965) 82° (1956) 0.04" NA
Sep 19 39° 69° 24° (1965) 82° (1956) 0.03" NA
Sep 20 38° 69° 13° (1965) 82° (1956) 0.04" NA
Sep 21 38° 68° 20° (1995) 80° (1966) 0.04" NA
Sep 22 38° 68° 21° (1957) 82° (1966) 0.03" NA
Sep 23 37° 67° 23° (2000) 81° (1992) 0.04" NA
Sep 24 37° 67° 21° (1965) 82° (2001) 0.03" NA
Sep 25 37° 66° 18° (2000) 82° (2001) 0.04" NA
Sep 26 36° 66° 18° (1996) 83° (1963) 0.03" NA
Sep 27 36° 65° 16° (1996) 82° (2001) 0.03" NA
Sep 28 36° 65° 19° (1985) 81° (1994) 0.04" NA
Sep 29 35° 64° 16° (1984) 81° (1998) 0.03" NA
Sep 30 35° 64° 8° (1985) 79° (1957) 0.03" NA
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