Johnstown, Pennsylvania
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° 37° -20° (1977) 80° (1950) 3.81" NA
February 23° 41° -14° (1977) 77° (1932) 3.42" NA
March 30° 51° -2° (1990) 86° (1989) 3.87" NA
April 39° 64° 13° (1950) 95° (1976) 3.81" NA
May 49° 74° 26° (1983) 96° (1949) 4.31" NA
June 57° 83° 33° (1986) 100° (1953) 4.86" NA
July 61° 87° 39° (1943) 104° (1936) 5.11" NA
August 59° 85° 35° (1982) 102° (1930) 4.1" NA
September 53° 77° 25° (1957) 104° (1953) 4.15" NA
October 41° 65° 19° (1972) 94° (1953) 3.27" NA
November 34° 53° 1° (1930) 83° (1938) 3.65" NA
December 25° 42° -15° (1983) 76° (1951) 3.33" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 30° 47° 7° (1929) 67° (1962) 0.12" NA
Dec 2 29° 46° 5° (1942) 68° (1962) 0.11" NA
Dec 3 29° 46° 1° (1976) 72° (1982) 0.11" NA
Dec 4 29° 45° -1° (1940) 73° (1982) 0.11" NA
Dec 5 28° 45° 3° (1966) 72° (1982) 0.11" NA
Dec 6 28° 45° 11° (1954) 67° (1960) 0.11" NA
Dec 7 28° 44° 4° (1926) 68° (1951) 0.11" NA
Dec 8 27° 44° 10° (1977) 76° (1951) 0.11" NA
Dec 9 27° 44° 5° (1989) 72° (1966) 0.11" NA
Dec 10 27° 43° -4° (1958) 75° (1966) 0.11" NA
Dec 11 26° 43° -4° (1958) 66° (1946) 0.11" NA
Dec 12 26° 43° -1° (1988) 67° (1979) 0.11" NA
Dec 13 26° 42° 1° (1962) 65° (1927) 0.1" NA
Dec 14 26° 42° -2° (1958) 64° (1948) 0.1" NA
Dec 15 25° 42° -8° (1943) 63° (1975) 0.1" NA
Dec 16 25° 41° -6° (1943) 68° (1971) 0.1" NA
Dec 17 25° 41° -1° (1951) 66° (1984) 0.1" NA
Dec 18 24° 41° 0° (1989) 64° (1939) 0.1" NA
Dec 19 24° 41° 1° (1926) 66° (1939) 0.1" NA
Dec 20 24° 40° -1° (1950) 64° (1957) 0.1" NA
Dec 21 24° 40° -10° (1942) 62° (1957) 0.1" NA
Dec 22 24° 40° -6° (1944) 69° (1949) 0.11" NA
Dec 23 23° 40° -3° (1960) 70° (1949) 0.11" NA
Dec 24 23° 40° -12° (1983) 66° (1933) 0.11" NA
Dec 25 23° 39° -15° (1983) 67° (1932) 0.11" NA
Dec 26 23° 39° -15° (1983) 65° (1982) 0.11" NA
Dec 27 23° 39° -2° (1944) 62° (1964) 0.11" NA
Dec 28 22° 39° -4° (1950) 70° (1982) 0.11" NA
Dec 29 22° 39° -1° (1950) 69° (1984) 0.11" NA
Dec 30 22° 38° 4° (1976) 68° (1990) 0.11" NA
Dec 31 22° 38° -5° (1963) 62° (1964) 0.11" NA
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