Portland, Maine
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 31° -26° (1971) 67° (2007) 4.09" 20.5"
February 16° 34° -39° (1943) 64° (1957) 3.14" 12.8"
March 25° 42° -21° (1950) 88° (1998) 4.14" 13"
April 35° 53° 8° (1954) 89° (1927) 4.26" 3.2"
May 44° 63° 23° (1956) 96° (1937) 3.82" 0"
June 53° 73° 33° (1944) 98° (1991) 3.28" 0"
July 59° 79° 40° (1965) 103° (1911) 3.32" 0"
August 57° 77° 33° (1965) 103° (1975) 3.05" 0"
September 49° 69° 23° (1941) 96° (1939) 3.37" 0"
October 37° 58° 15° (1976) 88° (1963) 4.4" 0.1"
November 30° 47° -6° (1875) 74° (2003) 4.72" 3.2"
December 19° 36° -21° (1963) 71° (2001) 4.24" 13.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 20° 38° -5° (1980) 58° (1985) 0.12" NA
Mar 2 20° 38° -9° (1967) 57° (1985) 0.12" NA
Mar 3 21° 38° -10° (1950) 55° (1961) 0.12" NA
Mar 4 21° 38° -21° (1950) 61° (1965) 0.12" NA
Mar 5 21° 39° -4° (1948) 61° (1894) 0.12" NA
Mar 6 22° 39° -13° (1948) 60° (1974) 0.13" NA
Mar 7 22° 39° -6° (2007) 68° (1974) 0.13" NA
Mar 8 22° 40° 0° (2007) 60° (1878) 0.13" NA
Mar 9 23° 40° -10° (1943) 54° (2000) 0.13" NA
Mar 10 23° 40° -8° (1972) 62° (1878) 0.13" NA
Mar 11 24° 41° -1° (1953) 66° (1945) 0.13" NA
Mar 12 24° 41° 3° (1984) 63° (1973) 0.13" NA
Mar 13 24° 41° 0° (1941) 67° (1902) 0.13" NA
Mar 14 25° 41° -2° (1948) 70° (1946) 0.13" NA
Mar 15 25° 42° 2° (1993) 67° (1945) 0.13" NA
Mar 16 25° 42° 5° (1956) 67° (2000) 0.14" NA
Mar 17 26° 42° -3° (1967) 62° (1990) 0.14" NA
Mar 18 26° 43° -6° (1967) 65° (1945) 0.14" NA
Mar 19 26° 43° -10° (1967) 71° (1894) 0.14" NA
Mar 20 27° 43° 4° (1949) 78° (1903) 0.14" NA
Mar 21 27° 44° 4° (1956) 79° (1921) 0.14" NA
Mar 22 27° 44° 5° (1934) 70° (1948) 0.14" NA
Mar 23 28° 44° 5° (1934) 66° (1953) 0.14" NA
Mar 24 28° 45° 6° (1906) 68° (1938) 0.14" NA
Mar 25 28° 45° 0° (1956) 74° (1910) 0.14" NA
Mar 26 29° 45° -5° (1960) 74° (1986) 0.14" NA
Mar 27 29° 46° 10° (1956) 74° (1998) 0.14" NA
Mar 28 29° 46° 0° (1923) 75° (1998) 0.14" NA
Mar 29 29° 47° -3° (1923) 86° (1946) 0.14" NA
Mar 30 30° 47° 11° (1887) 75° (1977) 0.14" NA
Mar 31 30° 47° 10° (1923) 88° (1998) 0.14" NA
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