Thomaston, Indiana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 31° -26° (1999) 66° (2008) 1.92" 12"
February 17° 36° -21° (1978) 72° (2000) 1.82" 8.6"
March 26° 47° -7° (2002) 82° (1986) 2.41" 5"
April 36° 60° 10° (1972) 90° (1986) 3.43" 0.7"
May 46° 71° 26° (2005) 94° (1964) 3.87" 0"
June 57° 81° 33° (1998) 105° (1988) 4.25" 0"
July 60° 84° 42° (1979) 101° (1988) 4.31" 0"
August 58° 82° 38° (1965) 101° (1988) 4.08" 0"
September 49° 76° 27° (1999) 96° (1999) 3.34" 0"
October 38° 64° 18° (1988) 89° (2007) 3.43" 0.3"
November 30° 49° 2° (1977) 77° (1999) 3.49" 1.7"
December 18° 36° -20° (1983) 70° (1982) 2.32" 9.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 14° 32° -15° (1968) 59° (1966) 0.07" 0.4"
Jan 2 14° 32° -10° (1979) 55° (2005) 0.08" 0.3"
Jan 3 14° 32° -10° (1979) 60° (2004) 0.07" 0.4"
Jan 4 14° 32° -11° (1999) 58° (1997) 0.08" 0.4"
Jan 5 14° 32° -26° (1999) 63° (1997) 0.07" 0.4"
Jan 6 14° 32° -25° (1999) 56° (1998) 0.07" 0.3"
Jan 7 14° 32° -16° (1968) 60° (2008) 0.07" 0.4"
Jan 8 13° 32° -14° (1968) 66° (2008) 0.08" 0.4"
Jan 9 13° 31° -12° (1994) 60° (1965) 0.07" 0.4"
Jan 10 13° 31° -15° (1999) 52° (2002) 0.07" 0.4"
Jan 11 13° 31° -15° (1977) 59° (1975) 0.07" 0.3"
Jan 12 13° 31° -12° (1977) 55° (1980) 0.07" 0.4"
Jan 13 13° 31° -11° (1977) 64° (2005) 0.06" 0.4"
Jan 14 13° 31° -10° (1997) 50° (1961) 0.06" 0.4"
Jan 15 13° 31° -19° (1979) 49° (1996) 0.06" 0.4"
Jan 16 13° 31° -24° (2009) 51° (1990) 0.06" 0.4"
Jan 17 13° 31° -24° (2009) 55° (1990) 0.06" 0.4"
Jan 18 13° 31° -22° (1994) 56° (1990) 0.06" 0.4"
Jan 19 13° 31° -23° (1994) 60° (1996) 0.06" 0.4"
Jan 20 13° 31° -24° (1985) 55° (2006) 0.06" 0.3"
Jan 21 13° 31° -24° (1984) 48° (1974) 0.05" 0.4"
Jan 22 13° 31° -16° (1963) 51° (1964) 0.06" 0.4"
Jan 23 13° 31° -12° (1963) 56° (1964) 0.05" 0.5"
Jan 24 13° 31° -18° (1963) 59° (1967) 0.05" 0.4"
Jan 25 13° 32° -21° (1961) 65° (1967) 0.06" 0.4"
Jan 26 13° 32° -13° (1987) 51° (1990) 0.05" 0.4"
Jan 27 13° 32° -10° (2003) 54° (2002) 0.05" 0.4"
Jan 28 13° 32° -20° (1963) 60° (2002) 0.05" 0.4"
Jan 29 13° 32° -14° (1963) 61° (2002) 0.05" 0.4"
Jan 30 14° 32° -15° (1966) 52° (2006) 0.05" 0.3"
Jan 31 14° 32° -13° (1963) 54° (1988) 0.05" 0.4"
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