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
Jan 1 44° 67° 30° (1965) 79° (1969) 0.08" NA
Jan 2 44° 67° 30° (1960) 83° (1964) 0.09" NA
Jan 3 44° 67° 29° (1982) 82° (1969) 0.09" NA
Jan 4 44° 67° 29° (1952) 83° (1969) 0.09" NA
Jan 5 45° 67° 29° (1952) 85° (1969) 0.1" NA
Jan 6 45° 67° 33° (1973) 84° (1962) 0.1" NA
Jan 7 45° 67° 34° (1973) 89° (1962) 0.1" NA
Jan 8 45° 67° 28° (1982) 87° (1962) 0.1" NA
Jan 9 45° 67° 31° (1972) 82° (1962) 0.11" NA
Jan 10 45° 68° 32° (1952) 81° (1967) 0.11" NA
Jan 11 45° 68° 31° (1952) 83° (1983) 0.11" NA
Jan 12 45° 68° 34° (1962) 83° (1983) 0.11" NA
Jan 13 45° 68° 26° (1962) 82° (1983) 0.11" NA
Jan 14 45° 68° 25° (1962) 85° (1974) 0.12" NA
Jan 15 45° 68° 32° (1962) 84° (1967) 0.12" NA
Jan 16 45° 68° 33° (1984) 85° (1976) 0.12" NA
Jan 17 45° 68° 31° (1984) 88° (1976) 0.12" NA
Jan 18 45° 68° 32° (1984) 93° (1971) 0.12" NA
Jan 19 46° 68° 31° (1979) 92° (1971) 0.12" NA
Jan 20 46° 68° 33° (1984) 86° (1971) 0.12" NA
Jan 21 46° 68° 36° (1980) 82° (1975) 0.12" NA
Jan 22 46° 68° 30° (1982) 81° (1968) 0.12" NA
Jan 23 46° 68° 31° (1982) 83° (1953) 0.12" NA
Jan 24 46° 68° 31° (1966) 82° (1974) 0.12" NA
Jan 25 46° 68° 34° (1965) 78° (1974) 0.13" NA
Jan 26 46° 69° 26° (1979) 89° (1971) 0.13" NA
Jan 27 46° 69° 25° (1979) 89° (1971) 0.13" NA
Jan 28 46° 69° 28° (1957) 87° (1971) 0.13" NA
Jan 29 46° 69° 22° (1979) 84° (1971) 0.12" NA
Jan 30 46° 69° 30° (1979) 84° (1971) 0.12" NA
Jan 31 46° 69° 30° (1979) 85° (1976) 0.12" NA
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