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
Mar 1 10° 38° -12° (1995) 57° (1992) 0.02" NA
Mar 2 10° 38° -11° (1995) 59° (1992) 0.02" NA
Mar 3 10° 38° -9° (1989) 59° (1992) 0.02" NA
Mar 4 11° 38° -26° (1989) 58° (2000) 0.02" NA
Mar 5 11° 38° -23° (1989) 63° (1987) 0.02" NA
Mar 6 12° 39° -10° (1995) 67° (1987) 0.03" NA
Mar 7 12° 39° -10° (1996) 58° (1987) 0.03" NA
Mar 8 12° 39° -31° (1996) 56° (1986) 0.03" NA
Mar 9 13° 39° -13° (1998) 61° (1989) 0.03" NA
Mar 10 13° 40° -4° (1998) 68° (1989) 0.03" NA
Mar 11 13° 40° -30° (1998) 62° (1989) 0.03" NA
Mar 12 14° 40° -1° (1985) 63° (1995) 0.03" NA
Mar 13 14° 40° -14° (1988) 57° (1989) 0.03" NA
Mar 14 14° 40° -13° (1988) 54° (1982) 0.03" NA
Mar 15 15° 41° -6° (1988) 57° (1999) 0.03" NA
Mar 16 15° 41° 2° (1988) 65° (1994) 0.03" NA
Mar 17 15° 41° -8° (1988) 58° (1999) 0.03" NA
Mar 18 16° 41° -4° (1988) 54° (1994) 0.03" NA
Mar 19 16° 42° 2° (1990) 58° (1994) 0.03" NA
Mar 20 16° 42° -15° (1983) 60° (1999) 0.03" NA
Mar 21 16° 42° -14° (1983) 65° (1997) 0.03" NA
Mar 22 17° 43° -1° (1992) 62° (1995) 0.04" NA
Mar 23 17° 43° 4° (1990) 65° (1993) 0.04" NA
Mar 24 17° 43° -8° (1990) 66° (1993) 0.04" NA
Mar 25 17° 43° -10° (1996) 63° (1993) 0.04" NA
Mar 26 18° 44° -10° (1996) 64° (1993) 0.04" NA
Mar 27 18° 44° -1° (1996) 65° (1986) 0.04" NA
Mar 28 18° 44° -8° (1987) 66° (1986) 0.04" NA
Mar 29 18° 44° -14° (1987) 64° (1986) 0.04" NA
Mar 30 19° 45° -5° (1984) 67° (1986) 0.05" NA
Mar 31 19° 45° 8° (1982) 62° (1999) 0.05" NA
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