Mountain House, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 37° 56° 18° (1961) 74° (1976) 2.55" 0"
February 39° 62° 23° (1989) 81° (1977) 2.6" 0"
March 42° 67° 26° (1976) 89° (1988) 1.81" 0"
April 45° 74° 31° (1953) 95° (2004) 0.86" 0"
May 51° 81° 34° (1952) 105° (1984) 0.67" 0"
June 55° 88° 37° (1997) 112° (1961) 0.12" 0"
July 57° 93° 38° (1995) 111° (1991) 0.01" 0"
August 56° 92° 38° (1990) 109° (1971) 0.04" 0"
September 54° 88° 38° (1988) 108° (1950) 0.26" 0"
October 49° 78° 22° (2004) 99° (1991) 0.76" 0"
November 42° 66° 24° (1952) 85° (1949) 1.33" 0"
December 37° 57° 17° (1998) 73° (1995) 2.12" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 38° 60° 30° (1954) 73° (1995) 0.08" NA
Dec 2 38° 59° 29° (1990) 71° (1995) 0.08" NA
Dec 3 38° 59° 27° (1957) 69° (1977) 0.07" NA
Dec 4 38° 59° 27° (1988) 73° (1996) 0.07" NA
Dec 5 37° 59° 28° (1972) 69° (1958) 0.07" NA
Dec 6 37° 58° 27° (2005) 71° (1986) 0.08" NA
Dec 7 37° 58° 25° (2009) 70° (1986) 0.07" NA
Dec 8 37° 58° 26° (1960) 67° (1979) 0.08" NA
Dec 9 37° 58° 21° (1972) 65° (1979) 0.07" NA
Dec 10 37° 57° 22° (2009) 66° (1950) 0.07" NA
Dec 11 37° 57° 25° (1972) 68° (1988) 0.06" NA
Dec 12 37° 57° 22° (1972) 70° (1958) 0.07" NA
Dec 13 36° 57° 23° (1972) 70° (1958) 0.06" NA
Dec 14 36° 56° 27° (1967) 69° (1969) 0.06" NA
Dec 15 36° 56° 26° (1980) 66° (1998) 0.06" NA
Dec 16 36° 56° 24° (1978) 66° (1998) 0.07" NA
Dec 17 36° 56° 24° (1967) 68° (1958) 0.06" NA
Dec 18 36° 56° 24° (1965) 65° (1958) 0.06" NA
Dec 19 36° 56° 27° (1989) 66° (1998) 0.07" NA
Dec 20 36° 56° 21° (1965) 69° (1981) 0.06" NA
Dec 21 36° 55° 20° (1990) 66° (1969) 0.06" NA
Dec 22 36° 55° 18° (1990) 67° (1955) 0.07" NA
Dec 23 36° 55° 18° (1998) 71° (1996) 0.08" NA
Dec 24 36° 55° 17° (1998) 65° (1964) 0.07" NA
Dec 25 36° 55° 22° (1990) 70° (1964) 0.08" NA
Dec 26 36° 55° 26° (1990) 65° (1964) 0.07" NA
Dec 27 36° 55° 24° (1990) 67° (1967) 0.07" NA
Dec 28 36° 55° 24° (1998) 68° (1953) 0.07" NA
Dec 29 36° 55° 23° (1962) 67° (1967) 0.07" NA
Dec 30 36° 55° 22° (1978) 65° (1967) 0.05" NA
Dec 31 36° 55° 17° (1978) 68° (1995) 0.06" NA
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