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) 0.68" 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
Apr 1 19° 45° 7° (1992) 61° (1991) 0.05" NA
Apr 2 19° 46° 5° (1983) 63° (1991) 0.05" NA
Apr 3 19° 46° 6° (1982) 64° (1992) 0.05" NA
Apr 4 20° 46° 8° (1999) 67° (1992) 0.05" NA
Apr 5 20° 46° -8° (1994) 69° (1991) 0.06" NA
Apr 6 20° 47° 2° (1982) 70° (1991) 0.06" NA
Apr 7 20° 47° -11° (1983) 70° (1988) 0.06" NA
Apr 8 21° 47° -16° (1997) 64° (1988) 0.06" NA
Apr 9 21° 48° -6° (1989) 58° (1985) 0.06" NA
Apr 10 21° 48° -5° (1989) 67° (1996) 0.06" NA
Apr 11 21° 48° -4° (1997) 71° (1996) 0.07" NA
Apr 12 22° 49° -10° (1997) 68° (1988) 0.07" NA
Apr 13 22° 49° -8° (1997) 68° (1992) 0.07" NA
Apr 14 22° 49° -5° (1983) 68° (1985) 0.07" NA
Apr 15 22° 50° 0° (1986) 72° (1985) 0.07" NA
Apr 16 23° 50° 8° (1997) 71° (1985) 0.07" NA
Apr 17 23° 50° 2° (1999) 72° (1987) 0.07" NA
Apr 18 23° 50° 14° (1982) 76° (1987) 0.08" NA
Apr 19 23° 51° 3° (1995) 70° (1987) 0.08" NA
Apr 20 24° 51° 12° (1991) 70° (1989) 0.08" NA
Apr 21 24° 51° 8° (1992) 77° (1989) 0.08" NA
Apr 22 24° 52° 12° (1995) 78° (1989) 0.08" NA
Apr 23 25° 52° 10° (1988) 72° (1982) 0.09" NA
Apr 24 25° 52° 15° (1995) 73° (1987) 0.09" NA
Apr 25 25° 53° 11° (1985) 72° (1987) 0.09" NA
Apr 26 25° 53° 3° (1988) 69° (1987) 0.09" NA
Apr 27 26° 53° -1° (1994) 74° (1992) 0.09" NA
Apr 28 26° 54° 14° (1994) 76° (1987) 0.09" NA
Apr 29 26° 54° 8° (1994) 73° (1987) 0.1" NA
Apr 30 27° 54° 8° (1989) 77° (1992) 0.1" NA
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