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
Sep 1 63° 93° 53° (1965) 109° (1955) 0.01" NA
Sep 2 63° 93° 48° (1979) 111° (1955) 0.01" NA
Sep 3 63° 93° 50° (1953) 112° (1955) 0.01" NA
Sep 4 63° 93° 50° (1951) 110° (1955) 0.01" NA
Sep 5 63° 93° 51° (1951) 114° (1955) 0.01" NA
Sep 6 63° 93° 50° (1951) 117° (1955) 0.01" NA
Sep 7 62° 93° 52° (1951) 109° (1955) 0.01" NA
Sep 8 62° 92° 51° (1978) 109° (1979) 0.01" NA
Sep 9 62° 92° 51° (1980) 112° (1979) 0.01" NA
Sep 10 62° 92° 50° (1952) 108° (1953) 0.01" NA
Sep 11 62° 92° 48° (1952) 112° (1971) 0.01" NA
Sep 12 62° 92° 48° (1952) 115° (1971) 0.01" NA
Sep 13 62° 91° 51° (1966) 117° (1971) 0.01" NA
Sep 14 62° 91° 52° (1954) 113° (1971) 0.01" NA
Sep 15 62° 91° 48° (1980) 104° (1979) 0.01" NA
Sep 16 62° 91° 54° (1957) 104° (1951) 0.01" NA
Sep 17 62° 91° 52° (1953) 105° (1951) 0.01" NA
Sep 18 61° 90° 50° (1977) 103° (1951) 0.01" NA
Sep 19 61° 90° 50° (1955) 104° (1979) 0.01" NA
Sep 20 61° 90° 51° (1982) 102° (1954) 0.01" NA
Sep 21 61° 90° 54° (1954) 105° (1974) 0.01" NA
Sep 22 61° 90° 49° (1978) 105° (1974) 0.01" NA
Sep 23 61° 89° 51° (1980) 106° (1982) 0.01" NA
Sep 24 60° 89° 51° (1980) 107° (1968) 0.01" NA
Sep 25 60° 89° 51° (1966) 108° (1963) 0.01" NA
Sep 26 60° 89° 51° (1981) 107° (1978) 0.01" NA
Sep 27 60° 88° 50° (1951) 107° (1963) 0" NA
Sep 28 60° 88° 50° (1980) 108° (1963) 0" NA
Sep 29 60° 88° 48° (1962) 107° (1963) 0" NA
Sep 30 59° 88° 44° (1955) 108° (1980) 0" NA
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