Jefferson, Maryland
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° 41° -10° (1984) 74° (1950) 3.05" NA
February 27° 46° -4° (1961) 79° (1985) 2.69" NA
March 35° 56° 3° (1980) 87° (1998) 3.45" NA
April 44° 67° 20° (1956) 94° (1990) 3.32" NA
May 54° 77° 30° (1956) 97° (1996) 4.18" NA
June 62° 85° 41° (1976) 101° (1988) 3.91" NA
July 67° 89° 47° (1952) 106° (1997) 3.5" NA
August 66° 87° 44° (1986) 104° (1983) 2.93" NA
September 59° 80° 34° (1997) 100° (1953) 3.82" NA
October 47° 68° 23° (1952) 91° (1951) 3.26" NA
November 38° 57° 12° (1950) 83° (1950) 3.27" NA
December 30° 46° -8° (1983) 77° (1998) 3.36" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 67° 89° 59° (1949) 100° (1954) 0.1" NA
Aug 2 67° 89° 56° (1951) 100° (1955) 0.09" NA
Aug 3 67° 88° 50° (1959) 101° (1991) 0.09" NA
Aug 4 67° 88° 56° (1950) 99° (1991) 0.09" NA
Aug 5 67° 88° 48° (1951) 99° (1955) 0.09" NA
Aug 6 67° 88° 47° (1951) 99° (1955) 0.09" NA
Aug 7 67° 88° 51° (1994) 98° (1955) 0.09" NA
Aug 8 67° 88° NA (1989) 97° (2001) 0.09" NA
Aug 9 67° 88° NA (1989) 97° (2001) 0.09" NA
Aug 10 66° 88° 53° (1948) 96° (1951) 0.09" NA
Aug 11 66° 88° 57° (1974) 95° (1949) 0.09" NA
Aug 12 66° 87° 57° (1953) 95° (1988) 0.09" NA
Aug 13 66° 87° 50° (1950) 95° (1988) 0.09" NA
Aug 14 66° 87° 48° (1950) 96° (1959) 0.09" NA
Aug 15 66° 87° 53° (1983) 102° (1988) 0.09" NA
Aug 16 66° 87° 54° (1979) 103° (1988) 0.09" NA
Aug 17 66° 87° 50° (1979) 101° (1988) 0.09" NA
Aug 18 65° 87° 49° (1981) 101° (1988) 0.09" NA
Aug 19 65° 86° 49° (1953) 94° (1983) 0.09" NA
Aug 20 65° 86° 48° (1949) 104° (1983) 0.09" NA
Aug 21 65° 86° 49° (1949) 104° (1983) 0.09" NA
Aug 22 65° 86° 48° (1956) 99° (1983) 0.1" NA
Aug 23 65° 86° 45° (1952) 100° (1983) 0.1" NA
Aug 24 64° 86° 44° (1952) 93° (1989) 0.1" NA
Aug 25 64° 85° 44° (1952) 94° (1948) 0.1" NA
Aug 26 64° 85° 47° (1951) 97° (1948) 0.1" NA
Aug 27 64° 85° 51° (1952) 98° (1948) 0.1" NA
Aug 28 64° 85° 51° (1957) 103° (1948) 0.1" NA
Aug 29 64° 85° 46° (1986) 99° (1953) 0.11" NA
Aug 30 63° 84° 44° (1986) 99° (1953) 0.11" NA
Aug 31 63° 84° 47° (1976) 101° (1953) 0.11" NA
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