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
May 1 27° 55° 13° (1989) 72° (1992) 0.1" NA
May 2 27° 55° 9° (1984) 75° (1982) 0.1" NA
May 3 28° 55° 6° (1997) 78° (1985) 0.1" NA
May 4 28° 56° 17° (1988) 75° (1986) 0.1" NA
May 5 28° 56° 15° (1982) 77° (2000) 0.11" NA
May 6 29° 56° 11° (1982) 81° (2000) 0.11" NA
May 7 29° 57° 16° (1984) 75° (1992) 0.11" NA
May 8 29° 57° 20° (1984) 77° (1985) 0.11" NA
May 9 30° 57° 19° (1997) 77° (1991) 0.11" NA
May 10 30° 58° 16° (1990) 73° (1987) 0.11" NA
May 11 30° 58° 19° (1983) 74° (1989) 0.11" NA
May 12 31° 59° 16° (1983) 72° (1987) 0.11" NA
May 13 31° 59° NA (1985) 76° (2001) 0.11" NA
May 14 31° 59° NA (1983) 80° (2001) 0.12" NA
May 15 31° 60° NA (1985) 80° (2001) 0.12" NA
May 16 32° 60° 21° (1985) 79° (1987) 0.12" NA
May 17 32° 60° 18° (1986) 80° (1988) 0.12" NA
May 18 32° 61° 21° (1983) 79° (1992) 0.12" NA
May 19 33° 61° 25° (1997) 82° (1992) 0.12" NA
May 20 33° 61° 19° (1989) 77° (1992) 0.12" NA
May 21 33° 62° 20° (1996) 76° (1986) 0.12" NA
May 22 34° 62° 24° (1983) 73° (1994) 0.12" NA
May 23 34° 62° 23° (1984) 78° (1989) 0.12" NA
May 24 34° 63° 22° (1995) 78° (1985) 0.12" NA
May 25 34° 63° 21° (1992) 76° (1985) 0.12" NA
May 26 35° 63° 20° (1984) 77° (1983) 0.12" NA
May 27 35° 64° 21° (1992) 78° (1988) 0.12" NA
May 28 35° 64° 18° (1984) 79° (1988) 0.12" NA
May 29 36° 64° 23° (1982) 76° (1988) 0.12" NA
May 30 36° 65° 25° (1983) 80° (1984) 0.12" NA
May 31 36° 65° 27° (1982) 75° (1986) 0.12" NA
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