Adelphi, Maryland
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° 42° -9° (1961) 79° (1950) 3.46" 6"
February 28° 46° -5° (1979) 82° (1985) 2.84" 6.2"
March 35° 55° -1° (1960) 92° (1990) 3.79" 2"
April 44° 66° 18° (1969) 96° (1985) 3.18" 0"
May 54° 75° 30° (1966) 100° (1991) 4.58" 0"
June 64° 84° 40° (1977) 102° (1959) 3.76" 0"
July 69° 89° 48° (1952) 104° (1988) 4.43" 0"
August 67° 87° 43° (1982) 104° (1988) 4.05" 0"
September 60° 80° 33° (1956) 102° (1953) 4.12" 0"
October 47° 69° 23° (1952) 94° (1951) 3.43" 0"
November 38° 57° 14° (1976) 86° (1950) 3.3" 1"
December 30° 47° -3° (1960) 77° (1984) 3.27" 2.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 27° 43° 12° (1977) 71° (1993) 0.11" NA
Jan 2 27° 43° 0° (1968) 64° (1979) 0.11" NA
Jan 3 27° 43° 9° (1979) 61° (1951) 0.11" NA
Jan 4 26° 42° 8° (1979) 71° (1950) 0.11" NA
Jan 5 26° 42° 10° (1969) 68° (1950) 0.11" NA
Jan 6 26° 42° 8° (1981) 73° (1950) 0.11" NA
Jan 7 26° 42° 10° (1988) 69° (1950) 0.11" NA
Jan 8 26° 42° 2° (1968) 63° (1949) 0.11" NA
Jan 9 26° 42° 4° (1981) 62° (1965) 0.11" NA
Jan 10 26° 42° 4° (1982) 70° (1950) 0.12" NA
Jan 11 26° 42° 2° (1982) 74° (1975) 0.12" NA
Jan 12 26° 42° 4° (1968) 68° (1975) 0.12" NA
Jan 13 25° 42° 0° (1981) 64° (1972) 0.12" NA
Jan 14 25° 42° 8° (1962) 73° (1995) 0.12" NA
Jan 15 25° 42° -2° (1964) 73° (1952) 0.12" NA
Jan 16 25° 42° 0° (1964) 70° (1952) 0.11" NA
Jan 17 25° 42° -7° (1982) 65° (1990) 0.11" NA
Jan 18 25° 42° -9° (1957) 69° (1990) 0.11" NA
Jan 19 25° 42° -5° (1994) 70° (1951) 0.11" NA
Jan 20 25° 42° -2° (1984) 70° (1951) 0.11" NA
Jan 21 25° 42° -5° (1985) 65° (1959) 0.11" NA
Jan 22 25° 42° -9° (1961) 71° (1959) 0.11" NA
Jan 23 25° 42° 3° (1961) 72° (1967) 0.11" NA
Jan 24 25° 42° 1° (1961) 73° (1950) 0.11" NA
Jan 25 25° 42° 1° (1987) 75° (1950) 0.11" NA
Jan 26 25° 42° -2° (1961) 79° (1950) 0.11" NA
Jan 27 25° 42° 4° (1987) 75° (1950) 0.11" NA
Jan 28 25° 42° -7° (1961) 71° (1949) 0.11" NA
Jan 29 25° 43° -7° (1961) 73° (1975) 0.11" NA
Jan 30 25° 43° 4° (1961) 73° (1975) 0.11" NA
Jan 31 25° 43° -3° (1965) 66° (1974) 0.1" NA
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