Greenbelt, Maryland
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 23° 42° -15° (1957) 78° (1950) 3.43" 6.5"
February 26° 45° -12° (1979) 79° (1985) 2.69" 4.3"
March 33° 54° -1° (1960) 88° (1990) 3.87" 1.3"
April 42° 65° 18° (1969) 94° (1976) 3.33" 0.1"
May 52° 74° 26° (1956) 96° (1991) 4.54" 0"
June 61° 83° 37° (1977) 99° (1988) 3.59" 0"
July 67° 87° 45° (1988) 103° (1988) 4.09" 0"
August 65° 86° 38° (1982) 102° (1997) 3.69" 0"
September 58° 79° 30° (1956) 101° (1953) 4.35" 0"
October 44° 68° 20° (1969) 93° (2007) 3.56" 0"
November 36° 57° 12° (1951) 85° (1950) 3.32" 0.5"
December 28° 46° -6° (1960) 78° (1998) 3.3" 3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 47° 70° 34° (1969) 87° (1974) 0.13" NA
May 2 47° 70° 30° (1960) 87° (1985) 0.14" NA
May 3 47° 70° 32° (1960) 88° (1954) 0.14" NA
May 4 48° 70° 29° (1957) 89° (1965) 0.14" NA
May 5 48° 71° 30° (1966) 89° (2001) 0.14" NA
May 6 48° 71° 35° (1963) 88° (1949) 0.14" NA
May 7 49° 71° 30° (1970) 91° (1949) 0.15" NA
May 8 49° 72° 30° (1974) 90° (2000) 0.15" NA
May 9 49° 72° 31° (1950) 88° (1964) 0.15" NA
May 10 50° 72° 30° (1966) 93° (1963) 0.15" NA
May 11 50° 72° 27° (1966) 92° (1963) 0.15" NA
May 12 51° 73° 34° (1949) 90° (1953) 0.15" NA
May 13 51° 73° 32° (1963) 91° (1959) 0.15" NA
May 14 51° 73° 34° (1951) 91° (2000) 0.15" NA
May 15 52° 74° 37° (1951) 93° (1956) 0.15" NA
May 16 52° 74° 35° (1973) 94° (1962) 0.15" NA
May 17 52° 74° 26° (1956) 92° (1998) 0.15" NA
May 18 53° 75° 30° (1956) 91° (1974) 0.15" NA
May 19 53° 75° 37° (1956) 94° (1962) 0.15" NA
May 20 53° 75° 39° (1992) 95° (1962) 0.15" NA
May 21 54° 75° 34° (1992) 95° (1996) 0.15" NA
May 22 54° 76° 38° (1950) 93° (1996) 0.15" NA
May 23 54° 76° 37° (1961) 91° (1975) 0.15" NA
May 24 55° 76° 34° (1963) 91° (1964) 0.15" NA
May 25 55° 77° 31° (1956) 90° (1955) 0.15" NA
May 26 55° 77° 36° (1956) 92° (1991) 0.15" NA
May 27 56° 77° 39° (1949) 93° (1991) 0.15" NA
May 28 56° 78° 40° (1992) 92° (1965) 0.14" NA
May 29 56° 78° 39° (1953) 91° (1991) 0.14" NA
May 30 57° 78° 38° (1949) 94° (1991) 0.14" NA
May 31 57° 79° 37° (1961) 96° (1991) 0.14" NA
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