Newcastle, Wyoming
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 31° -31° (1997) 58° (1986) 0.49" NA
February 35° -42° (1982) 62° (1982) 0.65" NA
March 15° 41° -31° (1996) 68° (1989) 1" NA
April 23° 50° -16° (1997) 78° (1989) 2.19" NA
May 32° 60° 6° (1997) 82° (1992) 3.55" NA
June 40° 70° 21° (1985) 92° (1988) 3.31" NA
July 44° 78° 26° (1987) 92° (1989) 2.73" NA
August 42° 76° 20° (1988) 91° (1995) 2.3" NA
September 32° 66° 5° (1985) 87° (2000) 1.6" NA
October 23° 54° -16° (1991) 82° (1992) 1.66" NA
November 13° 39° -29° (1986) 72° (1999) 0.82" NA
December 33° -45° (1990) 63° (1990) 0.57" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 37° 72° 23° (1981) 85° (1983) 0.06" NA
Sep 2 37° 71° 27° (1984) 83° (1983) 0.06" NA
Sep 3 37° 71° 27° (1984) 85° (1995) 0.06" NA
Sep 4 36° 70° 26° (1984) 83° (1995) 0.06" NA
Sep 5 36° 70° 29° (1988) 87° (1998) 0.06" NA
Sep 6 35° 70° 27° (1987) 85° (1998) 0.06" NA
Sep 7 35° 69° 25° (1986) 83° (1983) 0.06" NA
Sep 8 35° 69° 22° (1992) 84° (2000) 0.06" NA
Sep 9 34° 69° 24° (1999) 85° (1994) 0.06" NA
Sep 10 34° 68° 22° (1992) 84° (1998) 0.05" NA
Sep 11 33° 68° 15° (1989) 84° (1998) 0.05" NA
Sep 12 33° 67° 19° (1989) 83° (1990) 0.05" NA
Sep 13 33° 67° 16° (1989) 78° (1981) 0.05" NA
Sep 14 32° 67° 16° (1993) 77° (1987) 0.05" NA
Sep 15 32° 66° 23° (1999) 83° (2000) 0.05" NA
Sep 16 32° 66° 21° (1981) 84° (2000) 0.05" NA
Sep 17 32° 66° 20° (1981) 81° (2000) 0.05" NA
Sep 18 31° 65° 17° (1991) 87° (2000) 0.05" NA
Sep 19 31° 65° 15° (1991) 82° (1984) 0.05" NA
Sep 20 31° 65° 16° (1983) 74° (1991) 0.05" NA
Sep 21 30° 64° 10° (1995) 75° (1988) 0.05" NA
Sep 22 30° 64° 13° (1995) 74° (1987) 0.05" NA
Sep 23 30° 63° 20° (1990) 82° (1992) 0.05" NA
Sep 24 29° 63° 18° (1985) 79° (1992) 0.05" NA
Sep 25 29° 63° 10° (1984) 80° (1987) 0.05" NA
Sep 26 29° 62° 12° (1996) 78° (1987) 0.05" NA
Sep 27 29° 62° 17° (1981) 77° (1989) 0.05" NA
Sep 28 28° 62° 16° (1985) 78° (1991) 0.05" NA
Sep 29 28° 61° 7° (1984) 76° (1992) 0.05" NA
Sep 30 28° 61° 5° (1985) 79° (1992) 0.06" NA
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