Alta Loma, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 45° 68° 22° (1979) 93° (1971) 3.5" 0"
February 47° 70° 28° (1984) 92° (1977) 3.42" 0"
March 47° 71° 30° (1966) 97° (1978) 3.49" 0"
April 49° 76° 30° (1955) 102° (1984) 0.63" 0"
May 53° 80° 35° (1959) 112° (1984) 0.19" 0"
June 57° 88° 42° (1962) 111° (1961) 0.01" 0"
July 62° 95° 48° (1982) 114° (1972) 0" 0"
August 63° 95° 48° (1978) 111° (1981) 0.11" 0"
September 62° 91° 44° (1955) 117° (1971) 0.26" 0"
October 56° 83° 33° (1953) 108° (1980) 0.27" 0"
November 49° 74° 30° (1983) 96° (1966) 1.26" 0"
December 44° 69° 23° (1978) 93° (1958) 1.63" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 46° 70° 34° (1952) 86° (1959) 0.04" NA
Dec 2 45° 70° 33° (1952) 91° (1958) 0.04" NA
Dec 3 45° 70° 32° (1978) 93° (1958) 0.04" NA
Dec 4 45° 70° 34° (1952) 90° (1979) 0.04" NA
Dec 5 45° 70° 32° (1978) 84° (1962) 0.04" NA
Dec 6 45° 69° 31° (1983) 87° (1977) 0.04" NA
Dec 7 45° 69° 33° (1978) 86° (1973) 0.04" NA
Dec 8 45° 69° 31° (1951) 89° (1973) 0.04" NA
Dec 9 44° 69° 23° (1978) 88° (1973) 0.04" NA
Dec 10 44° 69° 35° (1979) 89° (1973) 0.04" NA
Dec 11 44° 69° 30° (1972) 88° (1958) 0.04" NA
Dec 12 44° 69° 33° (1972) 86° (1958) 0.04" NA
Dec 13 44° 69° 31° (1959) 85° (1958) 0.05" NA
Dec 14 44° 68° 33° (1979) 84° (1953) 0.05" NA
Dec 15 44° 68° 32° (1978) 84° (1973) 0.05" NA
Dec 16 44° 68° 32° (1982) 85° (1958) 0.05" NA
Dec 17 44° 68° 31° (1982) 86° (1958) 0.05" NA
Dec 18 44° 68° 35° (1955) 81° (1966) 0.05" NA
Dec 19 44° 68° 35° (1951) 79° (1960) 0.05" NA
Dec 20 44° 68° 32° (1978) 92° (1954) 0.05" NA
Dec 21 44° 68° 28° (1968) 80° (1954) 0.06" NA
Dec 22 44° 68° 30° (1968) 81° (1960) 0.06" NA
Dec 23 44° 68° 28° (1979) 80° (1961) 0.06" NA
Dec 24 44° 68° 31° (1953) 80° (1960) 0.06" NA
Dec 25 44° 68° 32° (1965) 83° (1960) 0.06" NA
Dec 26 44° 68° 34° (1978) 83° (1980) 0.07" NA
Dec 27 44° 68° 33° (1978) 88° (1956) 0.07" NA
Dec 28 44° 68° 28° (1979) 88° (1956) 0.07" NA
Dec 29 44° 68° 28° (1954) 86° (1956) 0.08" NA
Dec 30 44° 67° 31° (1978) 91° (1956) 0.08" NA
Dec 31 44° 67° 32° (1979) 82° (1963) 0.08" NA
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