Jeffrey City, Wyoming
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 30° -39° (1979) 57° (1981) 0.41" NA
February 10° 35° -38° (1985) 60° (1982) 0.35" NA
March 19° 44° -26° (1965) 72° (1986) 0.87" NA
April 25° 54° -18° (1966) 80° (2007) 1.42" NA
May 34° 64° 13° (1964) 92° (1964) 2.25" NA
June 42° 76° 27° (2005) 98° (1964) 1.08" NA
July 48° 85° 32° (1993) 98° (2005) 0.97" NA
August 47° 83° 28° (1964) 96° (1988) 0.64" NA
September 37° 72° 1° (1965) 91° (1998) 0.79" NA
October 28° 59° -6° (1991) 82° (1992) 0.78" NA
November 16° 40° -27° (1993) 67° (1999) 0.66" NA
December 10° 31° -38° (1983) 58° (1980) 0.45" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 12° 34° -10° (1986) 56° (1999) 0.02" NA
Dec 2 12° 33° -6° (1979) 56° (1995) 0.02" NA
Dec 3 11° 33° -10° (1984) 49° (1998) 0.02" NA
Dec 4 11° 33° -17° (1984) 53° (1998) 0.02" NA
Dec 5 11° 33° -34° (1992) 51° (1989) 0.02" NA
Dec 6 11° 32° -29° (1992) 49° (1989) 0.02" NA
Dec 7 11° 32° -8° (1978) 54° (1981) 0.02" NA
Dec 8 11° 32° -20° (1978) 55° (1981) 0.02" NA
Dec 9 10° 32° -17° (1978) 53° (1981) 0.02" NA
Dec 10 10° 31° -9° (1986) 54° (1981) 0.02" NA
Dec 11 10° 31° -29° (1985) 54° (1981) 0.02" NA
Dec 12 10° 31° -29° (1985) 51° (1980) 0.02" NA
Dec 13 10° 31° -10° (1978) 47° (1998) 0.02" NA
Dec 14 10° 31° -19° (1992) 47° (1988) 0.02" NA
Dec 15 10° 30° -17° (2007) 50° (1980) 0.01" NA
Dec 16 30° -11° (1964) 53° (1980) 0.01" NA
Dec 17 30° -36° (1964) 52° (1980) 0.01" NA
Dec 18 30° -18° (1989) 58° (1980) 0.01" NA
Dec 19 30° -24° (1983) 43° (1979) 0.01" NA
Dec 20 30° -27° (1990) 47° (2004) 0.01" NA
Dec 21 30° -35° (1990) 46° (1979) 0.01" NA
Dec 22 30° -33° (1990) 50° (1964) 0.01" NA
Dec 23 30° -38° (1983) 49° (1964) 0.01" NA
Dec 24 30° -24° (1998) 45° (1994) 0.01" NA
Dec 25 29° -32° (1987) 44° (1994) 0.01" NA
Dec 26 29° -26° (1978) 46° (1999) 0.01" NA
Dec 27 29° -17° (1988) 46° (1999) 0.01" NA
Dec 28 29° -22° (1978) 45° (1999) 0.01" NA
Dec 29 29° -27° (1983) 55° (1980) 0.01" NA
Dec 30 29° -35° (1978) 47° (1980) 0.01" NA
Dec 31 29° -24° (1978) 44° (1996) 0.01" NA
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