Rolla, North Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -4° 16° -40° (1950) 53° (1973) 0.45" NA
February 20° -43° (1996) 57° (1988) 0.42" NA
March 12° 30° -31° (1962) 71° (1963) 0.8" NA
April 26° 49° -20° (1975) 94° (1980) 1.04" NA
May 38° 62° 11° (1967) 94° (1980) 2.49" NA
June 49° 70° 29° (1964) 97° (1988) 3.66" NA
July 54° 75° 31° (1999) 100° (1988) 2.98" NA
August 52° 75° 32° (2004) 101° (1949) 2.45" NA
September 42° 64° 17° (1965) 98° (1976) 1.71" NA
October 29° 50° -1° (1991) 90° (1958) 1.31" NA
November 15° 32° -34° (1985) 71° (1975) 0.84" NA
December 19° -37° (1983) 53° (1969) 0.52" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 32° 57° 12° (1958) 83° (1977) 0.06" NA
May 2 33° 58° 13° (1967) 85° (1952) 0.06" NA
May 3 33° 58° 11° (1967) 88° (1952) 0.06" NA
May 4 34° 58° 19° (1967) 85° (1980) 0.07" NA
May 5 34° 59° 22° (1989) 81° (1985) 0.07" NA
May 6 34° 59° 18° (1989) 83° (1953) 0.07" NA
May 7 35° 59° 21° (2002) 87° (1992) 0.07" NA
May 8 35° 60° 24° (1955) 81° (1953) 0.07" NA
May 9 36° 60° 19° (1981) 86° (1987) 0.08" NA
May 10 36° 60° 21° (1996) 85° (1992) 0.08" NA
May 11 36° 61° 23° (2005) 86° (1977) 0.08" NA
May 12 37° 61° 20° (2005) 85° (1949) 0.08" NA
May 13 37° 61° 19° (2004) 89° (1977) 0.08" NA
May 14 37° 62° 20° (1983) 90° (1977) 0.08" NA
May 15 38° 62° 20° (1997) 87° (2001) 0.08" NA
May 16 38° 62° 20° (1983) 89° (1987) 0.07" NA
May 17 39° 62° 25° (2002) 88° (1970) 0.09" NA
May 18 39° 63° 25° (2002) 85° (1973) 0.08" NA
May 19 39° 63° 25° (2002) 87° (1994) 0.09" NA
May 20 40° 63° 23° (2002) 91° (1964) 0.09" NA
May 21 40° 64° 24° (1963) 91° (1964) 0.08" NA
May 22 40° 64° 24° (1963) 92° (1980) 0.09" NA
May 23 41° 64° 29° (1949) 94° (1980) 0.08" NA
May 24 41° 64° 27° (1949) 86° (1980) 0.09" NA
May 25 42° 65° 31° (1992) 87° (1977) 0.08" NA
May 26 42° 65° 29° (1970) 89° (1969) 0.09" NA
May 27 42° 65° 27° (1965) 88° (1969) 0.09" NA
May 28 43° 65° 27° (1965) 86° (1980) 0.09" NA
May 29 43° 66° 29° (1998) 88° (1986) 0.09" NA
May 30 43° 66° 32° (1964) 92° (1988) 0.1" NA
May 31 44° 66° 31° (1964) 89° (1986) 0.1" NA
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