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
Sep 1 51° 77° 33° (1935) 97° (1983) 0.08" NA
Sep 2 51° 77° 30° (1917) 101° (1983) 0.08" NA
Sep 3 50° 76° 30° (1918) 98° (1925) 0.08" NA
Sep 4 50° 76° 31° (1914) 96° (1970) 0.08" NA
Sep 5 50° 75° 34° (1924) 102° (1978) 0.08" NA
Sep 6 49° 75° 31° (1956) 99° (1976) 0.08" NA
Sep 7 49° 75° 35° (1979) 100° (1931) 0.09" NA
Sep 8 48° 74° 32° (1935) 99° (1931) 0.08" NA
Sep 9 48° 74° 30° (1917) 100° (1931) 0.07" NA
Sep 10 47° 73° 22° (1917) 96° (1952) 0.08" NA
Sep 11 47° 73° 26° (1955) 93° (1948) 0.08" NA
Sep 12 46° 72° 32° (1911) 94° (1931) 0.08" NA
Sep 13 46° 72° 21° (1923) 90° (1927) 0.08" NA
Sep 14 45° 71° 26° (1956) 93° (1927) 0.07" NA
Sep 15 45° 71° 26° (1964) 93° (1927) 0.08" NA
Sep 16 45° 70° 28° (1959) 93° (1979) 0.07" NA
Sep 17 44° 70° 24° (1929) 93° (1979) 0.08" NA
Sep 18 44° 69° 15° (1929) 93° (1914) 0.07" NA
Sep 19 43° 69° 20° (1929) 93° (1914) 0.08" NA
Sep 20 43° 68° 21° (1918) 91° (1914) 0.08" NA
Sep 21 42° 68° 24° (1934) 90° (1937) 0.08" NA
Sep 22 42° 67° 21° (1913) 98° (1936) 0.07" NA
Sep 23 41° 67° 23° (1983) 95° (1936) 0.08" NA
Sep 24 41° 66° 25° (1926) 92° (2007) 0.08" NA
Sep 25 40° 66° 17° (1927) 93° (1938) 0.09" NA
Sep 26 40° 65° 20° (1965) 90° (1963) 0.08" NA
Sep 27 40° 65° 21° (1927) 96° (1952) 0.08" NA
Sep 28 39° 64° 20° (1930) 88° (1952) 0.09" NA
Sep 29 39° 64° 22° (1930) 87° (1931) 0.09" NA
Sep 30 38° 63° 21° (1930) 91° (1976) 0.08" NA
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