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
May 1 29° 59° 14° (1984) 78° (1987) 0.07" NA
May 2 29° 59° 15° (2002) 78° (1981) 0.07" NA
May 3 30° 59° 13° (1964) 79° (1985) 0.07" NA
May 4 30° 60° 22° (1965) 79° (1966) 0.07" NA
May 5 30° 60° 18° (1982) 81° (1966) 0.07" NA
May 6 31° 60° 20° (1982) 82° (2000) 0.07" NA
May 7 31° 61° 20° (1965) 79° (1992) 0.07" NA
May 8 31° 61° 23° (2001) 78° (1987) 0.08" NA
May 9 32° 61° 16° (1990) 81° (1966) 0.08" NA
May 10 32° 62° 16° (1965) 76° (1991) 0.08" NA
May 11 32° 62° 20° (1999) 81° (1987) 0.08" NA
May 12 33° 62° 18° (1983) 80° (2007) 0.08" NA
May 13 33° 63° 16° (1980) 82° (2001) 0.08" NA
May 14 33° 63° 20° (1980) 82° (1996) 0.08" NA
May 15 34° 63° 21° (1980) 83° (1987) 0.08" NA
May 16 34° 64° 22° (1983) 81° (1964) 0.08" NA
May 17 34° 64° 22° (1999) 82° (1988) 0.08" NA
May 18 34° 65° 22° (1999) 83° (1987) 0.08" NA
May 19 35° 65° 21° (1966) 82° (2006) 0.08" NA
May 20 35° 65° 23° (2003) 92° (1964) 0.07" NA
May 21 35° 66° 23° (2001) 84° (2005) 0.07" NA
May 22 36° 66° 24° (2001) 82° (2006) 0.07" NA
May 23 36° 67° 21° (1966) 81° (1980) 0.07" NA
May 24 36° 67° 24° (2007) 83° (1984) 0.07" NA
May 25 36° 67° 27° (2007) 78° (1988) 0.07" NA
May 26 37° 68° 27° (1990) 84° (2003) 0.07" NA
May 27 37° 68° 25° (1965) 85° (2006) 0.07" NA
May 28 37° 69° 23° (1986) 83° (2003) 0.06" NA
May 29 37° 69° 29° (1984) 89° (2003) 0.06" NA
May 30 38° 69° 28° (2004) 87° (2003) 0.06" NA
May 31 38° 70° 26° (1979) 87° (1984) 0.06" NA
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