Pomona, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 42° 68° 21° (1963) 91° (2003) 4.02" 0"
February 44° 69° 23° (1989) 94° (1995) 4.05" 0"
March 45° 69° 26° (1948) 100° (1988) 3.45" 0"
April 47° 74° 29° (1953) 104° (1989) 0.73" 0"
May 51° 77° 34° (1950) 106° (1984) 0.25" 0"
June 55° 82° 39° (1953) 106° (1950) 0.05" 0"
July 59° 89° 41° (1948) 113° (2006) 0" 0"
August 59° 89° 43° (1950) 109° (1967) 0.13" 0"
September 58° 87° 38° (1948) 113° (1948) 0.29" 0"
October 53° 80° 29° (1935) 107° (1950) 0.66" 0"
November 45° 73° 24° (1938) 97° (1976) 1.29" 0"
December 41° 68° 22° (1990) 93° (1979) 2.04" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 42° 70° 28° (1931) 86° (1959) 0.05" NA
Dec 2 42° 70° 26° (1936) 88° (1958) 0.05" NA
Dec 3 42° 70° 27° (1934) 92° (1958) 0.05" NA
Dec 4 42° 70° 28° (1948) 93° (1979) 0.05" NA
Dec 5 42° 69° 26° (1948) 90° (1979) 0.05" NA
Dec 6 42° 69° 28° (1951) 89° (1938) 0.05" NA
Dec 7 42° 69° 25° (1951) 86° (1938) 0.05" NA
Dec 8 41° 69° 25° (1951) 89° (1938) 0.05" NA
Dec 9 41° 69° 23° (1951) 84° (1975) 0.05" NA
Dec 10 41° 69° 26° (1951) 86° (1958) 0.05" NA
Dec 11 41° 69° 27° (1947) 88° (1958) 0.06" NA
Dec 12 41° 69° 25° (1949) 85° (1988) 0.06" NA
Dec 13 41° 68° 26° (1945) 85° (1958) 0.06" NA
Dec 14 41° 68° 26° (1945) 84° (1953) 0.06" NA
Dec 15 41° 68° 27° (1948) 85° (1980) 0.06" NA
Dec 16 41° 68° 27° (1935) 85° (1980) 0.06" NA
Dec 17 41° 68° 26° (1935) 86° (1979) 0.06" NA
Dec 18 41° 68° 26° (1935) 84° (1985) 0.07" NA
Dec 19 41° 68° 28° (1951) 85° (1985) 0.07" NA
Dec 20 41° 68° 28° (1927) 84° (1985) 0.07" NA
Dec 21 41° 68° 23° (1968) 82° (1985) 0.07" NA
Dec 22 40° 68° 22° (1990) 81° (1960) 0.07" NA
Dec 23 40° 68° 26° (1990) 82° (1989) 0.08" NA
Dec 24 40° 68° 24° (1953) 84° (1980) 0.08" NA
Dec 25 40° 67° 26° (1930) 85° (1980) 0.08" NA
Dec 26 40° 67° 26° (1962) 87° (1980) 0.08" NA
Dec 27 40° 67° 24° (1962) 82° (1956) 0.08" NA
Dec 28 40° 67° 24° (1954) 85° (1956) 0.09" NA
Dec 29 41° 67° 24° (1954) 88° (1980) 0.09" NA
Dec 30 41° 67° 27° (1930) 85° (1980) 0.09" NA
Dec 31 41° 67° 26° (1947) 82° (1963) 0.1" NA
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