Ostby, North Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -9° 13° -49° (1996) 50° (1990) 0.52" 7.5"
February -1° 21° -47° (1996) 63° (1988) 0.42" 4.7"
March 12° 33° -41° (1962) 76° (2007) 0.78" 5.4"
April 28° 52° -22° (1979) 97° (1980) 1.18" 2.7"
May 41° 67° 12° (1958) 99° (1980) 1.99" 0.1"
June 50° 75° 22° (1964) 100° (1988) 3.1" 0"
July 54° 80° 35° (1967) 107° (1960) 2.85" 0"
August 51° 79° 26° (1958) 105° (1988) 2.34" 0"
September 40° 68° 17° (1957) 102° (1976) 1.72" 0.1"
October 28° 54° -13° (1991) 93° (1963) 1.2" 0.7"
November 13° 33° -33° (1985) 74° (1965) 0.63" 4.6"
December -2° 18° -44° (1983) 58° (1969) 0.44" 6.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 35° 61° 12° (1958) 84° (1977) 0.05" NA
May 2 35° 62° 13° (2002) 87° (1952) 0.05" NA
May 3 36° 62° 17° (1967) 90° (1952) 0.05" NA
May 4 36° 63° 20° (1954) 88° (1980) 0.05" NA
May 5 37° 63° 21° (1954) 84° (1980) 0.05" NA
May 6 37° 63° 18° (1962) 85° (1953) 0.05" NA
May 7 38° 64° 20° (1989) 90° (1992) 0.05" NA
May 8 38° 64° 22° (1980) 84° (1992) 0.05" NA
May 9 38° 65° 19° (1966) 90° (1987) 0.05" NA
May 10 39° 65° 25° (1996) 87° (1977) 0.06" NA
May 11 39° 66° 23° (1952) 91° (1987) 0.06" NA
May 12 40° 66° 18° (1983) 90° (1958) 0.06" NA
May 13 40° 66° 21° (2004) 91° (1987) 0.06" NA
May 14 40° 67° 20° (2004) 92° (1977) 0.06" NA
May 15 41° 67° 18° (1959) 89° (2001) 0.06" NA
May 16 41° 68° 23° (1961) 93° (1987) 0.06" NA
May 17 41° 68° 22° (2002) 90° (1972) 0.06" NA
May 18 42° 68° 25° (2002) 91° (1972) 0.06" NA
May 19 42° 69° 27° (1954) 88° (1972) 0.07" NA
May 20 42° 69° 25° (2003) 95° (1992) 0.07" NA
May 21 43° 69° 24° (1963) 91° (1964) 0.07" NA
May 22 43° 70° 15° (1963) 99° (1980) 0.07" NA
May 23 44° 70° 26° (1963) 99° (1980) 0.07" NA
May 24 44° 70° 24° (2002) 91° (2006) 0.07" NA
May 25 44° 70° 30° (1954) 90° (1977) 0.08" NA
May 26 45° 71° 22° (1961) 89° (1977) 0.08" NA
May 27 45° 71° 29° (1965) 91° (1969) 0.08" NA
May 28 45° 71° 25° (1965) 92° (1969) 0.08" NA
May 29 46° 71° 29° (1952) 91° (1986) 0.08" NA
May 30 46° 72° 28° (1964) 96° (1988) 0.09" NA
May 31 46° 72° 30° (1964) 94° (1986) 0.09" NA
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