Portal, North Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° -38° (1966) 52° (1973) 0.35" NA
February 24° -41° (1996) 62° (1992) 0.52" NA
March 15° 35° -32° (1962) 75° (1966) 0.65" NA
April 28° 54° -15° (1975) 93° (1980) 0.98" NA
May 40° 66° 13° (1967) 102° (1980) 2.43" NA
June 49° 74° 28° (1969) 102° (1988) 3.28" NA
July 54° 80° 33° (1967) 105° (1960) 3.12" NA
August 52° 80° 26° (1988) 106° (1958) 2.11" NA
September 41° 68° 17° (1974) 101° (1976) 1.71" NA
October 29° 53° -7° (1991) 93° (1992) 1.15" NA
November 16° 35° -27° (1985) 76° (1961) 0.47" NA
December 21° -40° (1983) 56° (1997) 0.32" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 34° 62° 17° (1954) 88° (1968) 0.08" NA
May 2 34° 62° 13° (1967) 85° (1980) 0.08" NA
May 3 35° 62° 15° (1954) 86° (1980) 0.07" NA
May 4 35° 62° 18° (1967) 90° (1952) 0.08" NA
May 5 35° 63° 19° (1979) 85° (1986) 0.07" NA
May 6 36° 63° 23° (1962) 85° (1990) 0.08" NA
May 7 36° 63° 17° (1980) 90° (1992) 0.08" NA
May 8 37° 64° 23° (1980) 89° (1987) 0.09" NA
May 9 37° 64° 18° (1981) 85° (1977) 0.08" NA
May 10 37° 64° 19° (1981) 91° (1977) 0.09" NA
May 11 38° 64° 20° (1967) 88° (1977) 0.08" NA
May 12 38° 65° 21° (1953) 92° (1987) 0.08" NA
May 13 38° 65° 25° (1983) 91° (1977) 0.08" NA
May 14 39° 65° 21° (1959) 93° (1977) 0.08" NA
May 15 39° 65° 26° (1997) 89° (1987) 0.08" NA
May 16 40° 66° 25° (1968) 85° (1972) 0.08" NA
May 17 40° 66° 22° (1983) 90° (1972) 0.08" NA
May 18 40° 66° 22° (1983) 93° (1994) 0.08" NA
May 19 41° 66° 22° (1949) 90° (1972) 0.08" NA
May 20 41° 67° 29° (1968) 93° (1992) 0.09" NA
May 21 41° 67° 23° (1963) 96° (1980) 0.08" NA
May 22 42° 67° 25° (1958) 100° (1980) 0.07" NA
May 23 42° 67° 23° (1949) 102° (1980) 0.09" NA
May 24 43° 68° 25° (1992) 90° (1951) 0.08" NA
May 25 43° 68° 26° (1992) 95° (1988) 0.08" NA
May 26 43° 68° 26° (1984) 93° (1977) 0.08" NA
May 27 44° 69° 28° (1984) 93° (1969) 0.07" NA
May 28 44° 69° 27° (1952) 91° (1969) 0.07" NA
May 29 44° 69° 33° (1952) 98° (1988) 0.07" NA
May 30 45° 69° 31° (1954) 92° (1986) 0.06" NA
May 31 45° 70° 28° (1956) 91° (1986) 0.07" NA
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