Portland, North Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -3° 16° -41° (1912) 52° (1942) 0.69" 7.9"
February 23° -40° (1936) 60° (1958) 0.59" 5.6"
March 15° 35° -32° (1962) 81° (1946) 1.06" 7.3"
April 30° 55° -9° (1979) 99° (1980) 1.18" 2.2"
May 42° 68° 12° (1926) 104° (1939) 2.69" 0.1"
June 54° 77° 26° (1917) 105° (1933) 3.75" 0"
July 58° 82° 37° (1983) 114° (1936) 4.62" 0"
August 55° 80° 30° (1915) 104° (1983) 3.19" 0"
September 45° 70° 15° (1929) 102° (1978) 2.39" 0"
October 32° 55° -9° (1919) 94° (1934) 2.23" 0.7"
November 18° 36° -30° (1964) 75° (1978) 0.86" 5"
December 21° -36° (1983) 57° (1939) 0.7" 6.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 36° 64° 17° (1958) 92° (1934) 0.07" NA
May 2 37° 64° 18° (1967) 93° (1959) 0.06" NA
May 3 37° 65° 12° (1926) 90° (1959) 0.07" NA
May 4 38° 65° 22° (1924) 92° (1985) 0.07" NA
May 5 38° 66° 17° (1929) 97° (1926) 0.07" NA
May 6 38° 66° 18° (1925) 96° (1926) 0.07" NA
May 7 39° 66° 18° (1929) 91° (1928) 0.08" NA
May 8 39° 66° 18° (1929) 93° (1934) 0.07" NA
May 9 40° 67° 20° (1945) 95° (1934) 0.08" NA
May 10 40° 67° 21° (1981) 94° (1987) 0.08" NA
May 11 40° 67° 19° (1946) 94° (1987) 0.09" NA
May 12 41° 67° 18° (1918) 88° (1977) 0.08" NA
May 13 41° 68° 23° (1945) 92° (1932) 0.09" NA
May 14 42° 68° 26° (1921) 93° (1932) 0.09" NA
May 15 42° 68° 27° (1914) 96° (1987) 0.08" NA
May 16 42° 68° 22° (1983) 89° (1917) 0.09" NA
May 17 43° 69° 24° (1925) 93° (1972) 0.09" NA
May 18 43° 69° 26° (2002) 93° (1934) 0.09" NA
May 19 43° 69° 24° (1926) 94° (1948) 0.09" NA
May 20 44° 69° 28° (1918) 92° (1925) 0.09" NA
May 21 44° 69° 31° (1931) 100° (1964) 0.08" NA
May 22 45° 70° 23° (1963) 96° (1980) 0.09" NA
May 23 45° 70° 25° (1929) 97° (1928) 0.09" NA
May 24 45° 70° 24° (1949) 98° (1928) 0.09" NA
May 25 46° 70° 27° (1924) 90° (1941) 0.09" NA
May 26 46° 71° 30° (1961) 93° (1931) 0.1" NA
May 27 47° 71° 28° (1917) 97° (1934) 0.1" NA
May 28 47° 71° 26° (1947) 96° (1913) 0.1" NA
May 29 48° 71° 32° (1930) 104° (1939) 0.11" NA
May 30 48° 72° 30° (1930) 102° (1934) 0.12" NA
May 31 48° 72° 30° (1924) 100° (1934) 0.12" NA
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