Rolla, North Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -5° 13° -40° (1950) 53° (1973) 0.51" NA
February 20° -43° (1996) 57° (1988) 0.52" NA
March 13° 30° -31° (1962) 71° (1963) 0.76" NA
April 27° 48° -20° (1975) 94° (1980) 1.13" NA
May 40° 64° 11° (1967) 94° (1980) 2.3" NA
June 49° 71° 29° (1964) 97° (1988) 3.41" NA
July 55° 75° 31° (1999) 100° (1988) 2.87" NA
August 53° 75° 32° (2004) 101° (1949) 2.55" NA
September 43° 63° 17° (1965) 98° (1976) 1.95" NA
October 31° 51° -1° (1991) 90° (1958) 1.25" NA
November 15° 31° -34° (1985) 71° (1975) 0.8" NA
December 18° -37° (1983) 53° (1969) 0.53" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 34° 57° 12° (1958) 83° (1977) 0.05" NA
May 2 34° 58° 13° (1967) 85° (1952) 0.05" NA
May 3 35° 58° 11° (1967) 88° (1952) 0.05" NA
May 4 35° 59° 19° (1967) 85° (1980) 0.06" NA
May 5 36° 59° 22° (1989) 81° (1985) 0.06" NA
May 6 36° 60° 18° (1989) 83° (1953) 0.06" NA
May 7 36° 60° 21° (2002) 87° (1992) 0.06" NA
May 8 37° 61° 24° (1955) 81° (1953) 0.06" NA
May 9 37° 61° 19° (1981) 86° (1987) 0.06" NA
May 10 38° 62° 21° (1996) 85° (1992) 0.06" NA
May 11 38° 62° 23° (2005) 86° (1977) 0.07" NA
May 12 38° 62° 20° (2005) 85° (1949) 0.07" NA
May 13 39° 63° 19° (2004) 89° (1977) 0.07" NA
May 14 39° 63° 20° (1983) 90° (1977) 0.07" NA
May 15 39° 64° 20° (1997) 87° (2001) 0.07" NA
May 16 40° 64° 20° (1983) 89° (1987) 0.07" NA
May 17 40° 64° 25° (2002) 88° (1970) 0.07" NA
May 18 41° 65° 25° (2002) 85° (1973) 0.08" NA
May 19 41° 65° 25° (2002) 87° (1994) 0.08" NA
May 20 41° 65° 23° (2002) 91° (1964) 0.08" NA
May 21 42° 66° 24° (1963) 91° (1964) 0.08" NA
May 22 42° 66° 24° (1963) 92° (1980) 0.08" NA
May 23 42° 66° 29° (1949) 94° (1980) 0.09" NA
May 24 43° 67° 27° (1949) 86° (1980) 0.09" NA
May 25 43° 67° 31° (1992) 87° (1977) 0.09" NA
May 26 43° 67° 29° (1970) 89° (1969) 0.09" NA
May 27 44° 67° 27° (1965) 88° (1969) 0.09" NA
May 28 44° 67° 27° (1965) 86° (1980) 0.09" NA
May 29 44° 68° 29° (1998) 88° (1986) 0.1" NA
May 30 45° 68° 32° (1964) 92° (1988) 0.1" NA
May 31 45° 68° 31° (1964) 89° (1986) 0.1" NA
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