Foster, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -33° (1966) 64° (1964) 0.25" 5"
February 10° 31° -38° (1994) 70° (1992) 0.44" 5.9"
March 21° 42° -22° (1948) 81° (1963) 0.77" 5.9"
April 34° 57° -1° (1975) 96° (1992) 1.31" 3.2"
May 46° 69° 18° (2005) 101° (1992) 2.7" 0.1"
June 56° 78° 33° (1950) 105° (1988) 2.88" 0"
July 62° 85° 39° (1959) 117° (2006) 2.28" 0"
August 60° 85° 39° (1958) 106° (1988) 1.94" 0"
September 50° 74° 22° (1965) 104° (1948) 1.51" 0.1"
October 37° 59° 1° (1991) 95° (1953) 1.46" 0.6"
November 23° 41° -20° (1985) 76° (1975) 0.46" 4.7"
December 10° 28° -33° (1983) 69° (1965) 0.3" 5.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 15° 35° -19° (1962) 71° (1992) 0.02" 0.2"
Mar 2 15° 36° -16° (1950) 73° (1974) 0.02" 0.2"
Mar 3 16° 36° -13° (1960) 57° (2005) 0.02" 0.3"
Mar 4 16° 36° -19° (1960) 63° (1968) 0.02" 0.2"
Mar 5 17° 37° -15° (1955) 67° (2005) 0.02" 0.2"
Mar 6 17° 37° -14° (1996) 64° (1968) 0.02" 0.2"
Mar 7 17° 38° -17° (1995) 64° (1968) 0.02" 0.2"
Mar 8 18° 38° -21° (1995) 64° (1977) 0.02" 0.3"
Mar 9 18° 39° -15° (1951) 66° (1988) 0.02" 0.2"
Mar 10 19° 39° -22° (1948) 61° (1954) 0.02" 0.2"
Mar 11 19° 39° -17° (2009) 65° (1981) 0.03" 0.2"
Mar 12 20° 40° -18° (2009) 77° (2007) 0.02" 0.2"
Mar 13 20° 40° -14° (1951) 60° (1961) 0.02" 0.2"
Mar 14 20° 41° -5° (1969) 70° (1981) 0.02" 0.2"
Mar 15 21° 41° -10° (1997) 68° (1995) 0.03" 0.2"
Mar 16 21° 42° -1° (1989) 67° (1981) 0.02" 0.2"
Mar 17 22° 42° 0° (1989) 70° (1968) 0.03" 0.2"
Mar 18 22° 43° -6° (1965) 72° (2007) 0.03" 0.2"
Mar 19 23° 43° -7° (1965) 65° (1991) 0.03" 0.1"
Mar 20 23° 44° -10° (1965) 71° (2007) 0.02" 0.2"
Mar 21 23° 44° -7° (1965) 68° (1957) 0.03" 0.1"
Mar 22 24° 45° -1° (1965) 69° (1963) 0.02" 0.2"
Mar 23 24° 45° -7° (1965) 81° (1963) 0.03" 0.2"
Mar 24 25° 46° -5° (1965) 73° (2004) 0.03" 0.1"
Mar 25 25° 46° -8° (1964) 77° (1961) 0.03" 0.2"
Mar 26 25° 47° -7° (1996) 71° (1997) 0.02" 0.2"
Mar 27 26° 47° 2° (1955) 75° (1962) 0.03" 0.1"
Mar 28 26° 48° 1° (1964) 78° (1986) 0.03" 0.2"
Mar 29 27° 48° -5° (1964) 76° (1967) 0.03" 0.2"
Mar 30 27° 49° 2° (1969) 76° (1963) 0.04" 0.1"
Mar 31 27° 49° 4° (1975) 78° (1963) 0.03" 0.2"
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