Fontana, 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
May 1 51° 78° 43° (1984) 96° (1976) 0" NA
May 2 51° 78° 36° (1959) 99° (1966) 0" NA
May 3 51° 78° 35° (1959) 103° (1970) 0" NA
May 4 51° 78° 42° (1951) 102° (1970) 0" NA
May 5 51° 78° 42° (1954) 90° (1953) 0" NA
May 6 52° 78° 40° (1954) 94° (1962) 0" NA
May 7 52° 79° 40° (1955) 100° (1984) 0" NA
May 8 52° 79° 43° (1978) 102° (1984) 0" NA
May 9 52° 79° 36° (1979) 98° (1984) 0.01" NA
May 10 52° 79° 36° (1959) 98° (1960) 0.01" NA
May 11 52° 79° 40° (1983) 99° (1960) 0.01" NA
May 12 53° 79° 40° (1982) 102° (1976) 0.01" NA
May 13 53° 79° 41° (1980) 103° (1976) 0.01" NA
May 14 53° 80° 42° (1972) 104° (1972) 0.01" NA
May 15 53° 80° 46° (1979) 106° (1970) 0.01" NA
May 16 53° 80° 40° (1959) 105° (1967) 0.01" NA
May 17 53° 80° 42° (1959) 102° (1970) 0.01" NA
May 18 53° 80° 44° (1977) 100° (1970) 0.01" NA
May 19 54° 81° 43° (1961) 94° (1978) 0.01" NA
May 20 54° 81° 43° (1974) 96° (1955) 0.01" NA
May 21 54° 81° 42° (1981) 101° (1967) 0.01" NA
May 22 54° 81° 46° (1975) 100° (1967) 0.01" NA
May 23 54° 82° 44° (1960) 98° (1967) 0.01" NA
May 24 54° 82° 40° (1978) 92° (1952) 0.01" NA
May 25 54° 82° 40° (1980) 109° (1974) 0.01" NA
May 26 55° 82° 39° (1980) 101° (1974) 0.01" NA
May 27 55° 83° 44° (1953) 101° (1968) 0.01" NA
May 28 55° 83° 45° (1962) 106° (1984) 0" NA
May 29 55° 83° 41° (1980) 112° (1984) 0" NA
May 30 55° 83° 40° (1959) 100° (1984) 0" NA
May 31 55° 84° 39° (1959) 97° (1977) 0" NA
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