Saint Marys, Ohio
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 33° -23° (1994) 64° (2005) 2.33" 10.1"
February 22° 38° -16° (1979) 72° (2000) 2.23" 7.9"
March 30° 49° -9° (1984) 82° (1986) 2.59" 4.1"
April 41° 62° 9° (1982) 86° (1986) 3.54" 0.9"
May 51° 72° 26° (1966) 94° (1988) 3.98" 0"
June 61° 81° 36° (2005) 103° (1988) 4.07" 0"
July 64° 84° 43° (1988) 101° (1980) 4.81" 0"
August 62° 82° 37° (1965) 101° (1983) 3.55" 0"
September 55° 76° 30° (1993) 96° (1983) 2.6" 0"
October 44° 64° 20° (1976) 90° (2007) 2.65" 0.2"
November 35° 50° -3° (1958) 77° (2003) 3.24" 1.1"
December 24° 37° -20° (1989) 70° (1982) 2.67" 5.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 46° 68° 26° (1963) 84° (1965) 0.12" 0"
May 2 47° 68° 31° (1961) 85° (1959) 0.11" 0"
May 3 47° 69° 32° (1957) 85° (1959) 0.12" 0"
May 4 47° 69° 29° (1966) 86° (2001) 0.12" 0"
May 5 48° 69° 31° (1973) 87° (1959) 0.12" 0"
May 6 48° 70° 30° (1968) 88° (1959) 0.11" 0"
May 7 48° 70° 28° (1974) 85° (1965) 0.12" 0"
May 8 49° 70° 30° (1976) 87° (1965) 0.11" 0"
May 9 49° 70° 31° (1966) 87° (1963) 0.12" 0"
May 10 49° 71° 26° (1966) 87° (2004) 0.12" 0"
May 11 50° 71° 33° (1969) 87° (1987) 0.12" 0"
May 12 50° 71° 34° (1976) 86° (1982) 0.12" 0"
May 13 50° 71° 32° (1996) 87° (1982) 0.13" 0"
May 14 51° 72° 36° (1973) 88° (1962) 0.13" 0"
May 15 51° 72° 33° (1973) 90° (1988) 0.12" 0"
May 16 51° 72° 32° (1959) 90° (1962) 0.13" 0"
May 17 52° 72° 31° (1973) 92° (1962) 0.12" 0"
May 18 52° 73° 36° (1973) 92° (1962) 0.13" 0"
May 19 52° 73° 31° (2002) 93° (1977) 0.14" 0"
May 20 53° 73° 36° (1981) 92° (1975) 0.13" 0"
May 21 53° 74° 38° (1964) 91° (1975) 0.14" 0"
May 22 53° 74° 37° (2006) 90° (1975) 0.14" 0"
May 23 54° 74° 31° (1963) 89° (1964) 0.13" 0"
May 24 54° 74° 39° (1958) 89° (1975) 0.14" 0"
May 25 54° 75° 38° (1963) 88° (1975) 0.13" 0"
May 26 55° 75° 37° (1983) 86° (1977) 0.14" 0"
May 27 55° 75° 29° (1961) 89° (1967) 0.14" 0"
May 28 55° 75° 39° (1992) 92° (1977) 0.14" 0"
May 29 56° 76° 36° (1965) 91° (1969) 0.14" 0"
May 30 56° 76° 36° (1961) 90° (1988) 0.15" 0"
May 31 56° 76° 35° (1966) 94° (1988) 0.15" 0"
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