October weather in St. Marys, PA

The average temperature in St. Marys in October is 47.8°F (37.0°F–58.7°F). Average precipitation: 3.87 inches. Average snowfall is 0.5 inches.

October is a fall month in St. Marys, and is warmer than the annual average of 45.1°F. Daily temperatures swing about 21.7°F between overnight low and afternoon high. Expect about 15 days with precipitation. Daylight averages about 10h 51m. For travel, October is cool.

Avg High
58.7°F
Avg Low
37.0°F
Precipitation
3.87 in
Snow
0.5 in

October records in St. Marys

Date Record High Record Low Record Precip
October 1 73.9°F (2023) 32.0°F (2017) 1.35 in (1981)
October 2 84.0°F (2019) 30.9°F (2017) 1.93 in (1945)
October 3 84.0°F (2019) 26.1°F (2003) 1.33 in (1969)
October 4 81.0°F (2023) 26.1°F (2003) 1.35 in (1986)
October 5 81.0°F (2007) 27.0°F (2003) 0.71 in (2018)
October 6 82.9°F (2007) 28.9°F (2003) 1.53 in (2000)
October 7 82.9°F (2007) 28.0°F (2003) 1.25 in (2019)
October 8 82.0°F (2007) 28.9°F (2008) 1.95 in (1998)
October 9 84.0°F (2007) 28.9°F (1969) 0.70 in (1959)
October 10 81.0°F (2018) 30.0°F (1969) 0.89 in (1946)
October 11 78.1°F (2018) 30.0°F (2004) 1.46 in (1970)
October 12 75.0°F (2010) 28.0°F (2014) 2.02 in (2006)
October 13 79.0°F (2008) 24.1°F (2012) 2.55 in (1970)
October 14 78.1°F (2008) 26.1°F (2012) 1.71 in (1983)
October 15 73.9°F (2014) 26.1°F (1969) 1.50 in (1955)
October 16 73.9°F (2014) 26.1°F (1969) 2.07 in (1954)
October 17 72.0°F (2012) 24.1°F (2020) 0.74 in (1942)
October 18 71.1°F (2016) 19.9°F (2009) 1.54 in (2006)
October 19 75.0°F (2016) 23.0°F (2009) 2.63 in (1996)
October 20 70.0°F (2006) 21.9°F (2009) 2.28 in (2006)
October 21 75.9°F (2016) 26.1°F (2008) 2.06 in (1995)
October 22 75.9°F (2007) 30.0°F (2010) 1.25 in (2016)
October 23 79.0°F (2024) 18.0°F (1969) 1.09 in (1965)
October 24 78.1°F (2020) 14.0°F (1969) 1.91 in (1959)
October 25 78.1°F (2020) 15.1°F (1969) 1.10 in (2015)
October 26 78.1°F (2012) 25.0°F (1969) 1.97 in (1980)
October 27 73.9°F (2023) 26.1°F (2016) 0.90 in (1978)
October 28 73.0°F (2023) 26.1°F (2011) 1.32 in (1981)
October 29 73.9°F (2014) 19.0°F (1969) 1.40 in (2017)
October 30 69.1°F (2019) 19.9°F (1969) 1.92 in (1973)
October 31 73.9°F (2024) 19.9°F (1969) 0.83 in (1996)

Other months in St. Marys