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
Jun 1 59° 81° 46° (1984) 94° (1991) 0.14" NA
Jun 2 59° 82° 44° (1953) 95° (1951) 0.14" NA
Jun 3 59° 82° 43° (1996) 95° (1951) 0.14" NA
Jun 4 59° 82° 41° (1976) 93° (1951) 0.14" NA
Jun 5 60° 82° 44° (1997) 90° (1953) 0.13" NA
Jun 6 60° 83° 47° (1976) 92° (1953) 0.13" NA
Jun 7 60° 83° 49° (1954) 95° (1999) 0.13" NA
Jun 8 61° 83° 43° (1957) 96° (1999) 0.13" NA
Jun 9 61° 83° 42° (1949) 96° (1999) 0.13" NA
Jun 10 61° 84° 45° (1988) 95° (1984) 0.13" NA
Jun 11 61° 84° 46° (1980) 95° (1984) 0.13" NA
Jun 12 62° 84° 46° (1980) 95° (1984) 0.13" NA
Jun 13 62° 84° 48° (1951) 96° (1956) 0.13" NA
Jun 14 62° 85° 45° (1978) 96° (1956) 0.13" NA
Jun 15 62° 85° 47° (1978) 98° (1957) 0.13" NA
Jun 16 63° 85° 45° (1961) 99° (1994) 0.13" NA
Jun 17 63° 85° 48° (1961) 97° (1957) 0.13" NA
Jun 18 63° 86° 45° (1959) 96° (1957) 0.13" NA
Jun 19 63° 86° 48° (1958) 95° (1993) 0.13" NA
Jun 20 63° 86° 54° (1952) 98° (1994) 0.13" NA
Jun 21 64° 86° 52° (1952) 98° (1988) 0.13" NA
Jun 22 64° 86° 50° (1992) 100° (1988) 0.13" NA
Jun 23 64° 86° 50° (1992) 101° (1988) 0.13" NA
Jun 24 64° 87° 54° (1982) 95° (1997) 0.13" NA
Jun 25 65° 87° 48° (1979) 98° (1997) 0.13" NA
Jun 26 65° 87° 48° (1979) 99° (1952) 0.13" NA
Jun 27 65° 87° 52° (1958) 99° (1952) 0.13" NA
Jun 28 65° 87° 50° (1958) 99° (1959) 0.12" NA
Jun 29 65° 88° 53° (1955) 99° (1959) 0.12" NA
Jun 30 65° 88° 55° (1956) 100° (1959) 0.12" NA
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