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
Sep 1 63° 84° 50° (1948) 100° (1953) 0.12" NA
Sep 2 63° 84° 45° (1948) 100° (1953) 0.12" NA
Sep 3 62° 84° 41° (1949) 100° (1953) 0.12" NA
Sep 4 62° 83° 48° (1952) 96° (1953) 0.12" NA
Sep 5 62° 83° 47° (1952) 94° (1985) 0.12" NA
Sep 6 62° 83° 48° (2000) 96° (1998) 0.12" NA
Sep 7 61° 83° 45° (1984) 95° (1954) 0.13" NA
Sep 8 61° 82° 46° (1956) 93° (1954) 0.13" NA
Sep 9 61° 82° 42° (1951) 95° (1985) 0.13" NA
Sep 10 61° 82° 39° (1949) 97° (1983) 0.13" NA
Sep 11 60° 82° 41° (1949) 97° (1983) 0.13" NA
Sep 12 60° 81° 45° (1958) 95° (1983) 0.13" NA
Sep 13 60° 81° 42° (1958) 92° (1961) 0.13" NA
Sep 14 59° 81° 38° (1953) 93° (1952) 0.13" NA
Sep 15 59° 80° 43° (1975) 93° (1993) 0.13" NA
Sep 16 59° 80° 44° (1984) 96° (1991) 0.13" NA
Sep 17 58° 80° 42° (1984) 94° (1991) 0.13" NA
Sep 18 58° 80° 39° (1959) 92° (1991) 0.13" NA
Sep 19 58° 79° 37° (1959) 94° (1983) 0.13" NA
Sep 20 57° 79° 42° (1959) 91° (1983) 0.13" NA
Sep 21 57° 78° 36° (1956) 89° (1983) 0.13" NA
Sep 22 56° 78° 34° (1997) 94° (1980) 0.13" NA
Sep 23 56° 78° 39° (1983) 90° (1959) 0.13" NA
Sep 24 56° 77° 35° (1974) 90° (1959) 0.13" NA
Sep 25 55° 77° 36° (1949) 90° (1961) 0.13" NA
Sep 26 55° 77° 37° (1949) 94° (1986) 0.13" NA
Sep 27 54° 76° 37° (1957) 93° (1986) 0.13" NA
Sep 28 54° 76° 37° (1957) 92° (1998) 0.13" NA
Sep 29 53° 75° 36° (1951) 91° (1953) 0.12" NA
Sep 30 53° 75° 34° (1951) 93° (1986) 0.12" NA
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